code:
/*
 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

/* ====================================================================
 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 *
 * Portions of the attached software ("Contribution") are developed by
 * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
 *
 * The Contribution is licensed pursuant to the Eric Young open source
 * license provided above.
 *
 * The binary polynomial arithmetic software is originally written by
 * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
 *
 */

#ifndef HEADER_BN_H
# define HEADER_BN_H

# include <openssl/e_os2.h>
# ifndef OPENSSL_NO_STDIO
#  include <stdio.h>
# endif
# include <openssl/opensslconf.h>
# include <openssl/ossl_typ.h>
# include <openssl/crypto.h>

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * 64-bit processor with LP64 ABI
 */
# ifdef SIXTY_FOUR_BIT_LONG
#  define BN_ULONG        unsigned long
#  define BN_BYTES        8
# endif

/*
 * 64-bit processor other than LP64 ABI
 */
# ifdef SIXTY_FOUR_BIT
#  define BN_ULONG        unsigned long long
#  define BN_BYTES        8
# endif

# ifdef THIRTY_TWO_BIT
#  define BN_ULONG        unsigned int
#  define BN_BYTES        4
# endif

# define BN_BITS2       (BN_BYTES * 8)
# define BN_BITS        (BN_BITS2 * 2)
# define BN_TBIT        ((BN_ULONG)1 << (BN_BITS2 - 1))

# define BN_FLG_MALLOCED         0x01
# define BN_FLG_STATIC_DATA      0x02

/*
 * avoid leaking exponent information through timing,
 * BN_mod_exp_mont() will call BN_mod_exp_mont_consttime,
 * BN_div() will call BN_div_no_branch,
 * BN_mod_inverse() will call BN_mod_inverse_no_branch.
 */
# define BN_FLG_CONSTTIME        0x04
# define BN_FLG_SECURE           0x08

# if OPENSSL_API_COMPAT < 0x00908000L
/* deprecated name for the flag */
#  define BN_FLG_EXP_CONSTTIME BN_FLG_CONSTTIME
#  define BN_FLG_FREE            0x8000 /* used for debugging */
# endif

void BN_set_flags(BIGNUM *b, int n);
int BN_get_flags(const BIGNUM *b, int n);

/* Values for |top| in BN_rand() */
#define BN_RAND_TOP_ANY    -1
#define BN_RAND_TOP_ONE     0
#define BN_RAND_TOP_TWO     1

/* Values for |bottom| in BN_rand() */
#define BN_RAND_BOTTOM_ANY  0
#define BN_RAND_BOTTOM_ODD  1

/*
 * get a clone of a BIGNUM with changed flags, for *temporary* use only (the
 * two BIGNUMs cannot be used in parallel!). Also only for *read only* use. The
 * value |dest| should be a newly allocated BIGNUM obtained via BN_new() that
 * has not been otherwise initialised or used.
 */
void BN_with_flags(BIGNUM *dest, const BIGNUM *b, int flags);

/* Wrapper function to make using BN_GENCB easier */
int BN_GENCB_call(BN_GENCB *cb, int a, int b);

BN_GENCB *BN_GENCB_new(void);
void BN_GENCB_free(BN_GENCB *cb);

/* Populate a BN_GENCB structure with an "old"-style callback */
void BN_GENCB_set_old(BN_GENCB *gencb, void (*callback) (int, int, void *),
                      void *cb_arg);

/* Populate a BN_GENCB structure with a "new"-style callback */
void BN_GENCB_set(BN_GENCB *gencb, int (*callback) (int, int, BN_GENCB *),
                  void *cb_arg);

void *BN_GENCB_get_arg(BN_GENCB *cb);

# define BN_prime_checks 0      /* default: select number of iterations based
                                 * on the size of the number */

/*
 * number of Miller-Rabin iterations for an error rate of less than 2^-80 for
 * random 'b'-bit input, b >= 100 (taken from table 4.4 in the Handbook of
 * Applied Cryptography [Menezes, van Oorschot, Vanstone; CRC Press 1996];
 * original paper: Damgaard, Landrock, Pomerance: Average case error
 * estimates for the strong probable prime test. -- Math. Comp. 61 (1993)
 * 177-194)
 */
# define BN_prime_checks_for_size(b) ((b) >= 1300 ?  2 : \
                                (b) >=  850 ?  3 : \
                                (b) >=  650 ?  4 : \
                                (b) >=  550 ?  5 : \
                                (b) >=  450 ?  6 : \
                                (b) >=  400 ?  7 : \
                                (b) >=  350 ?  8 : \
                                (b) >=  300 ?  9 : \
                                (b) >=  250 ? 12 : \
                                (b) >=  200 ? 15 : \
                                (b) >=  150 ? 18 : \
                                /* b >= 100 */ 27)

# define BN_num_bytes(a) ((BN_num_bits(a)+7)/8)

int BN_abs_is_word(const BIGNUM *a, const BN_ULONG w);
int BN_is_zero(const BIGNUM *a);
int BN_is_one(const BIGNUM *a);
int BN_is_word(const BIGNUM *a, const BN_ULONG w);
int BN_is_odd(const BIGNUM *a);

# define BN_one(a)       (BN_set_word((a),1))

void BN_zero_ex(BIGNUM *a);

# if OPENSSL_API_COMPAT >= 0x00908000L
#  define BN_zero(a)      BN_zero_ex(a)
# else
#  define BN_zero(a)      (BN_set_word((a),0))
# endif

const BIGNUM *BN_value_one(void);
char *BN_options(void);
BN_CTX *BN_CTX_new(void);
BN_CTX *BN_CTX_secure_new(void);
void BN_CTX_free(BN_CTX *c);
void BN_CTX_start(BN_CTX *ctx);
BIGNUM *BN_CTX_get(BN_CTX *ctx);
void BN_CTX_end(BN_CTX *ctx);
int BN_rand(BIGNUM *rnd, int bits, int top, int bottom);
int BN_pseudo_rand(BIGNUM *rnd, int bits, int top, int bottom);
int BN_rand_range(BIGNUM *rnd, const BIGNUM *range);
int BN_pseudo_rand_range(BIGNUM *rnd, const BIGNUM *range);
int BN_num_bits(const BIGNUM *a);
int BN_num_bits_word(BN_ULONG l);
int BN_security_bits(int L, int N);
BIGNUM *BN_new(void);
BIGNUM *BN_secure_new(void);
void BN_clear_free(BIGNUM *a);
BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b);
void BN_swap(BIGNUM *a, BIGNUM *b);
BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret);
int BN_bn2bin(const BIGNUM *a, unsigned char *to);
int BN_bn2binpad(const BIGNUM *a, unsigned char *to, int tolen);
BIGNUM *BN_lebin2bn(const unsigned char *s, int len, BIGNUM *ret);
int BN_bn2lebinpad(const BIGNUM *a, unsigned char *to, int tolen);
BIGNUM *BN_mpi2bn(const unsigned char *s, int len, BIGNUM *ret);
int BN_bn2mpi(const BIGNUM *a, unsigned char *to);
int BN_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b);
int BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b);
int BN_uadd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b);
int BN_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b);
int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx);
int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx);
/** BN_set_negative sets sign of a BIGNUM
 * \param  b  pointer to the BIGNUM object
 * \param  n  0 if the BIGNUM b should be positive and a value != 0 otherwise
 */
void BN_set_negative(BIGNUM *b, int n);
/** BN_is_negative returns 1 if the BIGNUM is negative
 * \param  a  pointer to the BIGNUM object
 * \return 1 if a < 0 and 0 otherwise
 */
int BN_is_negative(const BIGNUM *b);

int BN_div(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, const BIGNUM *d,
           BN_CTX *ctx);
# define BN_mod(rem,m,d,ctx) BN_div(NULL,(rem),(m),(d),(ctx))
int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx);
int BN_mod_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,
               BN_CTX *ctx);
int BN_mod_add_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
                     const BIGNUM *m);
int BN_mod_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,
               BN_CTX *ctx);
int BN_mod_sub_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
                     const BIGNUM *m);
int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,
               BN_CTX *ctx);
int BN_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx);
int BN_mod_lshift1(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx);
int BN_mod_lshift1_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *m);
int BN_mod_lshift(BIGNUM *r, const BIGNUM *a, int n, const BIGNUM *m,
                  BN_CTX *ctx);
int BN_mod_lshift_quick(BIGNUM *r, const BIGNUM *a, int n, const BIGNUM *m);

BN_ULONG BN_mod_word(const BIGNUM *a, BN_ULONG w);
BN_ULONG BN_div_word(BIGNUM *a, BN_ULONG w);
int BN_mul_word(BIGNUM *a, BN_ULONG w);
int BN_add_word(BIGNUM *a, BN_ULONG w);
int BN_sub_word(BIGNUM *a, BN_ULONG w);
int BN_set_word(BIGNUM *a, BN_ULONG w);
BN_ULONG BN_get_word(const BIGNUM *a);

int BN_cmp(const BIGNUM *a, const BIGNUM *b);
void BN_free(BIGNUM *a);
int BN_is_bit_set(const BIGNUM *a, int n);
int BN_lshift(BIGNUM *r, const BIGNUM *a, int n);
int BN_lshift1(BIGNUM *r, const BIGNUM *a);
int BN_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx);

int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
               const BIGNUM *m, BN_CTX *ctx);
int BN_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
                    const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
                              const BIGNUM *m, BN_CTX *ctx,
                              BN_MONT_CTX *in_mont);
int BN_mod_exp_mont_word(BIGNUM *r, BN_ULONG a, const BIGNUM *p,
                         const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
int BN_mod_exp2_mont(BIGNUM *r, const BIGNUM *a1, const BIGNUM *p1,
                     const BIGNUM *a2, const BIGNUM *p2, const BIGNUM *m,
                     BN_CTX *ctx, BN_MONT_CTX *m_ctx);
int BN_mod_exp_simple(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
                      const BIGNUM *m, BN_CTX *ctx);

int BN_mask_bits(BIGNUM *a, int n);
# ifndef OPENSSL_NO_STDIO
int BN_print_fp(FILE *fp, const BIGNUM *a);
# endif
int BN_print(BIO *bio, const BIGNUM *a);
int BN_reciprocal(BIGNUM *r, const BIGNUM *m, int len, BN_CTX *ctx);
int BN_rshift(BIGNUM *r, const BIGNUM *a, int n);
int BN_rshift1(BIGNUM *r, const BIGNUM *a);
void BN_clear(BIGNUM *a);
BIGNUM *BN_dup(const BIGNUM *a);
int BN_ucmp(const BIGNUM *a, const BIGNUM *b);
int BN_set_bit(BIGNUM *a, int n);
int BN_clear_bit(BIGNUM *a, int n);
char *BN_bn2hex(const BIGNUM *a);
char *BN_bn2dec(const BIGNUM *a);
int BN_hex2bn(BIGNUM **a, const char *str);
int BN_dec2bn(BIGNUM **a, const char *str);
int BN_asc2bn(BIGNUM **a, const char *str);
int BN_gcd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx);
int BN_kronecker(const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); /* returns
                                                                  * -2 for
                                                                  * error */
BIGNUM *BN_mod_inverse(BIGNUM *ret,
                       const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx);
BIGNUM *BN_mod_sqrt(BIGNUM *ret,
                    const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx);

void BN_consttime_swap(BN_ULONG swap, BIGNUM *a, BIGNUM *b, int nwords);

/* Deprecated versions */
DEPRECATEDIN_0_9_8(BIGNUM *BN_generate_prime(BIGNUM *ret, int bits, int safe,
                                             const BIGNUM *add,
                                             const BIGNUM *rem,
                                             void (*callback) (int, int,
                                                               void *),
                                             void *cb_arg))
DEPRECATEDIN_0_9_8(int
                   BN_is_prime(const BIGNUM *p, int nchecks,
                               void (*callback) (int, int, void *),
                               BN_CTX *ctx, void *cb_arg))
DEPRECATEDIN_0_9_8(int
                   BN_is_prime_fasttest(const BIGNUM *p, int nchecks,
                                        void (*callback) (int, int, void *),
                                        BN_CTX *ctx, void *cb_arg,
                                        int do_trial_division))

/* Newer versions */
int BN_generate_prime_ex(BIGNUM *ret, int bits, int safe, const BIGNUM *add,
                         const BIGNUM *rem, BN_GENCB *cb);
int BN_is_prime_ex(const BIGNUM *p, int nchecks, BN_CTX *ctx, BN_GENCB *cb);
int BN_is_prime_fasttest_ex(const BIGNUM *p, int nchecks, BN_CTX *ctx,
                            int do_trial_division, BN_GENCB *cb);

int BN_X931_generate_Xpq(BIGNUM *Xp, BIGNUM *Xq, int nbits, BN_CTX *ctx);

int BN_X931_derive_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2,
                            const BIGNUM *Xp, const BIGNUM *Xp1,
                            const BIGNUM *Xp2, const BIGNUM *e, BN_CTX *ctx,
                            BN_GENCB *cb);
int BN_X931_generate_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2, BIGNUM *Xp1,
                              BIGNUM *Xp2, const BIGNUM *Xp, const BIGNUM *e,
                              BN_CTX *ctx, BN_GENCB *cb);

BN_MONT_CTX *BN_MONT_CTX_new(void);
int BN_mod_mul_montgomery(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
                          BN_MONT_CTX *mont, BN_CTX *ctx);
int BN_to_montgomery(BIGNUM *r, const BIGNUM *a, BN_MONT_CTX *mont,
                     BN_CTX *ctx);
int BN_from_montgomery(BIGNUM *r, const BIGNUM *a, BN_MONT_CTX *mont,
                       BN_CTX *ctx);
void BN_MONT_CTX_free(BN_MONT_CTX *mont);
int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx);
BN_MONT_CTX *BN_MONT_CTX_copy(BN_MONT_CTX *to, BN_MONT_CTX *from);
BN_MONT_CTX *BN_MONT_CTX_set_locked(BN_MONT_CTX **pmont, CRYPTO_RWLOCK *lock,
                                    const BIGNUM *mod, BN_CTX *ctx);

/* BN_BLINDING flags */
# define BN_BLINDING_NO_UPDATE   0x00000001
# define BN_BLINDING_NO_RECREATE 0x00000002

BN_BLINDING *BN_BLINDING_new(const BIGNUM *A, const BIGNUM *Ai, BIGNUM *mod);
void BN_BLINDING_free(BN_BLINDING *b);
int BN_BLINDING_update(BN_BLINDING *b, BN_CTX *ctx);
int BN_BLINDING_convert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx);
int BN_BLINDING_invert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx);
int BN_BLINDING_convert_ex(BIGNUM *n, BIGNUM *r, BN_BLINDING *b, BN_CTX *);
int BN_BLINDING_invert_ex(BIGNUM *n, const BIGNUM *r, BN_BLINDING *b,
                          BN_CTX *);

int BN_BLINDING_is_current_thread(BN_BLINDING *b);
void BN_BLINDING_set_current_thread(BN_BLINDING *b);
int BN_BLINDING_lock(BN_BLINDING *b);
int BN_BLINDING_unlock(BN_BLINDING *b);

unsigned long BN_BLINDING_get_flags(const BN_BLINDING *);
void BN_BLINDING_set_flags(BN_BLINDING *, unsigned long);
BN_BLINDING *BN_BLINDING_create_param(BN_BLINDING *b,
                                      const BIGNUM *e, BIGNUM *m, BN_CTX *ctx,
                                      int (*bn_mod_exp) (BIGNUM *r,
                                                         const BIGNUM *a,
                                                         const BIGNUM *p,
                                                         const BIGNUM *m,
                                                         BN_CTX *ctx,
                                                         BN_MONT_CTX *m_ctx),
                                      BN_MONT_CTX *m_ctx);

DEPRECATEDIN_0_9_8(void BN_set_params(int mul, int high, int low, int mont))
DEPRECATEDIN_0_9_8(int BN_get_params(int which)) /* 0, mul, 1 high, 2 low, 3
                                                  * mont */

BN_RECP_CTX *BN_RECP_CTX_new(void);
void BN_RECP_CTX_free(BN_RECP_CTX *recp);
int BN_RECP_CTX_set(BN_RECP_CTX *recp, const BIGNUM *rdiv, BN_CTX *ctx);
int BN_mod_mul_reciprocal(BIGNUM *r, const BIGNUM *x, const BIGNUM *y,
                          BN_RECP_CTX *recp, BN_CTX *ctx);
int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
                    const BIGNUM *m, BN_CTX *ctx);
int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m,
                BN_RECP_CTX *recp, BN_CTX *ctx);

# ifndef OPENSSL_NO_EC2M

/*
 * Functions for arithmetic over binary polynomials represented by BIGNUMs.
 * The BIGNUM::neg property of BIGNUMs representing binary polynomials is
 * ignored. Note that input arguments are not const so that their bit arrays
 * can be expanded to the appropriate size if needed.
 */

/*
 * r = a + b
 */
int BN_GF2m_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b);
#  define BN_GF2m_sub(r, a, b) BN_GF2m_add(r, a, b)
/*
 * r=a mod p
 */
int BN_GF2m_mod(BIGNUM *r, const BIGNUM *a, const BIGNUM *p);
/* r = (a * b) mod p */
int BN_GF2m_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
                    const BIGNUM *p, BN_CTX *ctx);
/* r = (a * a) mod p */
int BN_GF2m_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx);
/* r = (1 / b) mod p */
int BN_GF2m_mod_inv(BIGNUM *r, const BIGNUM *b, const BIGNUM *p, BN_CTX *ctx);
/* r = (a / b) mod p */
int BN_GF2m_mod_div(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
                    const BIGNUM *p, BN_CTX *ctx);
/* r = (a ^ b) mod p */
int BN_GF2m_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
                    const BIGNUM *p, BN_CTX *ctx);
/* r = sqrt(a) mod p */
int BN_GF2m_mod_sqrt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
                     BN_CTX *ctx);
/* r^2 + r = a mod p */
int BN_GF2m_mod_solve_quad(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
                           BN_CTX *ctx);
#  define BN_GF2m_cmp(a, b) BN_ucmp((a), (b))
/*-
 * Some functions allow for representation of the irreducible polynomials
 * as an unsigned int[], say p.  The irreducible f(t) is then of the form:
 *     t^p[0] + t^p[1] + ... + t^p[k]
 * where m = p[0] > p[1] > ... > p[k] = 0.
 */
/* r = a mod p */
int BN_GF2m_mod_arr(BIGNUM *r, const BIGNUM *a, const int p[]);
/* r = (a * b) mod p */
int BN_GF2m_mod_mul_arr(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
                        const int p[], BN_CTX *ctx);
/* r = (a * a) mod p */
int BN_GF2m_mod_sqr_arr(BIGNUM *r, const BIGNUM *a, const int p[],
                        BN_CTX *ctx);
/* r = (1 / b) mod p */
int BN_GF2m_mod_inv_arr(BIGNUM *r, const BIGNUM *b, const int p[],
                        BN_CTX *ctx);
/* r = (a / b) mod p */
int BN_GF2m_mod_div_arr(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
                        const int p[], BN_CTX *ctx);
/* r = (a ^ b) mod p */
int BN_GF2m_mod_exp_arr(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
                        const int p[], BN_CTX *ctx);
/* r = sqrt(a) mod p */
int BN_GF2m_mod_sqrt_arr(BIGNUM *r, const BIGNUM *a,
                         const int p[], BN_CTX *ctx);
/* r^2 + r = a mod p */
int BN_GF2m_mod_solve_quad_arr(BIGNUM *r, const BIGNUM *a,
                               const int p[], BN_CTX *ctx);
int BN_GF2m_poly2arr(const BIGNUM *a, int p[], int max);
int BN_GF2m_arr2poly(const int p[], BIGNUM *a);

# endif

/*
 * faster mod functions for the 'NIST primes' 0 <= a < p^2
 */
int BN_nist_mod_192(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx);
int BN_nist_mod_224(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx);
int BN_nist_mod_256(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx);
int BN_nist_mod_384(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx);
int BN_nist_mod_521(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx);

const BIGNUM *BN_get0_nist_prime_192(void);
const BIGNUM *BN_get0_nist_prime_224(void);
const BIGNUM *BN_get0_nist_prime_256(void);
const BIGNUM *BN_get0_nist_prime_384(void);
const BIGNUM *BN_get0_nist_prime_521(void);

int (*BN_nist_mod_func(const BIGNUM *p)) (BIGNUM *r, const BIGNUM *a,
                                          const BIGNUM *field, BN_CTX *ctx);

int BN_generate_dsa_nonce(BIGNUM *out, const BIGNUM *range,
                          const BIGNUM *priv, const unsigned char *message,
                          size_t message_len, BN_CTX *ctx);

/* Primes from RFC 2409 */
BIGNUM *BN_get_rfc2409_prime_768(BIGNUM *bn);
BIGNUM *BN_get_rfc2409_prime_1024(BIGNUM *bn);

/* Primes from RFC 3526 */
BIGNUM *BN_get_rfc3526_prime_1536(BIGNUM *bn);
BIGNUM *BN_get_rfc3526_prime_2048(BIGNUM *bn);
BIGNUM *BN_get_rfc3526_prime_3072(BIGNUM *bn);
BIGNUM *BN_get_rfc3526_prime_4096(BIGNUM *bn);
BIGNUM *BN_get_rfc3526_prime_6144(BIGNUM *bn);
BIGNUM *BN_get_rfc3526_prime_8192(BIGNUM *bn);

# if OPENSSL_API_COMPAT < 0x10100000L
#  define get_rfc2409_prime_768 BN_get_rfc2409_prime_768
#  define get_rfc2409_prime_1024 BN_get_rfc2409_prime_1024
#  define get_rfc3526_prime_1536 BN_get_rfc3526_prime_1536
#  define get_rfc3526_prime_2048 BN_get_rfc3526_prime_2048
#  define get_rfc3526_prime_3072 BN_get_rfc3526_prime_3072
#  define get_rfc3526_prime_4096 BN_get_rfc3526_prime_4096
#  define get_rfc3526_prime_6144 BN_get_rfc3526_prime_6144
#  define get_rfc3526_prime_8192 BN_get_rfc3526_prime_8192
# endif

int BN_bntest_rand(BIGNUM *rnd, int bits, int top, int bottom);

/* BEGIN ERROR CODES */
/*
 * The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */

int ERR_load_BN_strings(void);

/* Error codes for the BN functions. */

/* Function codes. */
# define BN_F_BNRAND                                      127
# define BN_F_BN_BLINDING_CONVERT_EX                      100
# define BN_F_BN_BLINDING_CREATE_PARAM                    128
# define BN_F_BN_BLINDING_INVERT_EX                       101
# define BN_F_BN_BLINDING_NEW                             102
# define BN_F_BN_BLINDING_UPDATE                          103
# define BN_F_BN_BN2DEC                                   104
# define BN_F_BN_BN2HEX                                   105
# define BN_F_BN_COMPUTE_WNAF                             142
# define BN_F_BN_CTX_GET                                  116
# define BN_F_BN_CTX_NEW                                  106
# define BN_F_BN_CTX_START                                129
# define BN_F_BN_DIV                                      107
# define BN_F_BN_DIV_RECP                                 130
# define BN_F_BN_EXP                                      123
# define BN_F_BN_EXPAND_INTERNAL                          120
# define BN_F_BN_GENCB_NEW                                143
# define BN_F_BN_GENERATE_DSA_NONCE                       140
# define BN_F_BN_GENERATE_PRIME_EX                        141
# define BN_F_BN_GF2M_MOD                                 131
# define BN_F_BN_GF2M_MOD_EXP                             132
# define BN_F_BN_GF2M_MOD_MUL                             133
# define BN_F_BN_GF2M_MOD_SOLVE_QUAD                      134
# define BN_F_BN_GF2M_MOD_SOLVE_QUAD_ARR                  135
# define BN_F_BN_GF2M_MOD_SQR                             136
# define BN_F_BN_GF2M_MOD_SQRT                            137
# define BN_F_BN_LSHIFT                                   145
# define BN_F_BN_MOD_EXP2_MONT                            118
# define BN_F_BN_MOD_EXP_MONT                             109
# define BN_F_BN_MOD_EXP_MONT_CONSTTIME                   124
# define BN_F_BN_MOD_EXP_MONT_WORD                        117
# define BN_F_BN_MOD_EXP_RECP                             125
# define BN_F_BN_MOD_EXP_SIMPLE                           126
# define BN_F_BN_MOD_INVERSE                              110
# define BN_F_BN_MOD_INVERSE_NO_BRANCH                    139
# define BN_F_BN_MOD_LSHIFT_QUICK                         119
# define BN_F_BN_MOD_SQRT                                 121
# define BN_F_BN_MPI2BN                                   112
# define BN_F_BN_NEW                                      113
# define BN_F_BN_RAND                                     114
# define BN_F_BN_RAND_RANGE                               122
# define BN_F_BN_RSHIFT                                   146
# define BN_F_BN_SET_WORDS                                144
# define BN_F_BN_USUB                                     115

/* Reason codes. */
# define BN_R_ARG2_LT_ARG3                                100
# define BN_R_BAD_RECIPROCAL                              101
# define BN_R_BIGNUM_TOO_LONG                             114
# define BN_R_BITS_TOO_SMALL                              118
# define BN_R_CALLED_WITH_EVEN_MODULUS                    102
# define BN_R_DIV_BY_ZERO                                 103
# define BN_R_ENCODING_ERROR                              104
# define BN_R_EXPAND_ON_STATIC_BIGNUM_DATA                105
# define BN_R_INPUT_NOT_REDUCED                           110
# define BN_R_INVALID_LENGTH                              106
# define BN_R_INVALID_RANGE                               115
# define BN_R_INVALID_SHIFT                               119
# define BN_R_NOT_A_SQUARE                                111
# define BN_R_NOT_INITIALIZED                             107
# define BN_R_NO_INVERSE                                  108
# define BN_R_NO_SOLUTION                                 116
# define BN_R_PRIVATE_KEY_TOO_LARGE                       117
# define BN_R_P_IS_NOT_PRIME                              112
# define BN_R_TOO_MANY_ITERATIONS                         113
# define BN_R_TOO_MANY_TEMPORARY_VARIABLES                109

# ifdef  __cplusplus
}
# endif
#endif


code:
/*
 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#ifndef HEADER_BUFFER_H
# define HEADER_BUFFER_H

# include <openssl/ossl_typ.h>
# ifndef HEADER_CRYPTO_H
#  include <openssl/crypto.h>
# endif

#ifdef  __cplusplus
extern "C" {
#endif

# include <stddef.h>

# if !defined(NO_SYS_TYPES_H)
#  include <sys/types.h>
# endif

/*
 * These names are outdated as of OpenSSL 1.1; a future release
 * will move them to be deprecated.
 */
# define BUF_strdup(s) OPENSSL_strdup(s)
# define BUF_strndup(s, size) OPENSSL_strndup(s, size)
# define BUF_memdup(data, size) OPENSSL_memdup(data, size)
# define BUF_strlcpy(dst, src, size)  OPENSSL_strlcpy(dst, src, size)
# define BUF_strlcat(dst, src, size) OPENSSL_strlcat(dst, src, size)
# define BUF_strnlen(str, maxlen) OPENSSL_strnlen(str, maxlen)

struct buf_mem_st {
    size_t length;              /* current number of bytes */
    char *data;
    size_t max;                 /* size of buffer */
    unsigned long flags;
};

# define BUF_MEM_FLAG_SECURE  0x01

BUF_MEM *BUF_MEM_new(void);
BUF_MEM *BUF_MEM_new_ex(unsigned long flags);
void BUF_MEM_free(BUF_MEM *a);
size_t BUF_MEM_grow(BUF_MEM *str, size_t len);
size_t BUF_MEM_grow_clean(BUF_MEM *str, size_t len);
void BUF_reverse(unsigned char *out, const unsigned char *in, size_t siz);

/* BEGIN ERROR CODES */
/*
 * The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */

int ERR_load_BUF_strings(void);

/* Error codes for the BUF functions. */

/* Function codes. */
# define BUF_F_BUF_MEM_GROW                               100
# define BUF_F_BUF_MEM_GROW_CLEAN                         105
# define BUF_F_BUF_MEM_NEW                                101

/* Reason codes. */

# ifdef  __cplusplus
}
# endif
#endif

repo_name: xianyu/navicat

license: mit


code:
/*
 * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#ifndef HEADER_CAMELLIA_H
# define HEADER_CAMELLIA_H

# include <openssl/opensslconf.h>

# ifndef OPENSSL_NO_CAMELLIA
# include <stddef.h>
#ifdef  __cplusplus
extern "C" {
#endif

# define CAMELLIA_ENCRYPT        1
# define CAMELLIA_DECRYPT        0

/*
 * Because array size can't be a const in C, the following two are macros.
 * Both sizes are in bytes.
 */

/* This should be a hidden type, but EVP requires that the size be known */

# define CAMELLIA_BLOCK_SIZE 16
# define CAMELLIA_TABLE_BYTE_LEN 272
# define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)

typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match
                                                               * with WORD */

struct camellia_key_st {
    union {
        double d;               /* ensures 64-bit align */
        KEY_TABLE_TYPE rd_key;
    } u;
    int grand_rounds;
};
typedef struct camellia_key_st CAMELLIA_KEY;

int Camellia_set_key(const unsigned char *userKey, const int bits,
                     CAMELLIA_KEY *key);

void Camellia_encrypt(const unsigned char *in, unsigned char *out,
                      const CAMELLIA_KEY *key);
void Camellia_decrypt(const unsigned char *in, unsigned char *out,
                      const CAMELLIA_KEY *key);

void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out,
                          const CAMELLIA_KEY *key, const int enc);
void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
                          size_t length, const CAMELLIA_KEY *key,
                          unsigned char *ivec, const int enc);
void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,
                             size_t length, const CAMELLIA_KEY *key,
                             unsigned char *ivec, int *num, const int enc);
void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out,
                           size_t length, const CAMELLIA_KEY *key,
                           unsigned char *ivec, int *num, const int enc);
void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,
                           size_t length, const CAMELLIA_KEY *key,
                           unsigned char *ivec, int *num, const int enc);
void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out,
                             size_t length, const CAMELLIA_KEY *key,
                             unsigned char *ivec, int *num);
void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,
                             size_t length, const CAMELLIA_KEY *key,
                             unsigned char ivec[CAMELLIA_BLOCK_SIZE],
                             unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],
                             unsigned int *num);

# ifdef  __cplusplus
}
# endif
# endif

#endif


code:
/*
 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#ifndef HEADER_CAST_H
# define HEADER_CAST_H

# include <openssl/opensslconf.h>

# ifndef OPENSSL_NO_CAST
# ifdef  __cplusplus
extern "C" {
# endif

# define CAST_ENCRYPT    1
# define CAST_DECRYPT    0

# define CAST_LONG unsigned int

# define CAST_BLOCK      8
# define CAST_KEY_LENGTH 16

typedef struct cast_key_st {
    CAST_LONG data[32];
    int short_key;              /* Use reduced rounds for short key */
} CAST_KEY;

void CAST_set_key(CAST_KEY *key, int len, const unsigned char *data);
void CAST_ecb_encrypt(const unsigned char *in, unsigned char *out,
                      const CAST_KEY *key, int enc);
void CAST_encrypt(CAST_LONG *data, const CAST_KEY *key);
void CAST_decrypt(CAST_LONG *data, const CAST_KEY *key);
void CAST_cbc_encrypt(const unsigned char *in, unsigned char *out,
                      long length, const CAST_KEY *ks, unsigned char *iv,
                      int enc);
void CAST_cfb64_encrypt(const unsigned char *in, unsigned char *out,
                        long length, const CAST_KEY *schedule,
                        unsigned char *ivec, int *num, int enc);
void CAST_ofb64_encrypt(const unsigned char *in, unsigned char *out,
                        long length, const CAST_KEY *schedule,
                        unsigned char *ivec, int *num);

# ifdef  __cplusplus
}
# endif
# endif

#endif


code:
/*
 * Copyright 2010-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#ifndef HEADER_CMAC_H
# define HEADER_CMAC_H

# ifndef OPENSSL_NO_CMAC

#ifdef __cplusplus
extern "C" {
#endif

# include <openssl/evp.h>

/* Opaque */
typedef struct CMAC_CTX_st CMAC_CTX;

CMAC_CTX *CMAC_CTX_new(void);
void CMAC_CTX_cleanup(CMAC_CTX *ctx);
void CMAC_CTX_free(CMAC_CTX *ctx);
EVP_CIPHER_CTX *CMAC_CTX_get0_cipher_ctx(CMAC_CTX *ctx);
int CMAC_CTX_copy(CMAC_CTX *out, const CMAC_CTX *in);

int CMAC_Init(CMAC_CTX *ctx, const void *key, size_t keylen,
              const EVP_CIPHER *cipher, ENGINE *impl);
int CMAC_Update(CMAC_CTX *ctx, const void *data, size_t dlen);
int CMAC_Final(CMAC_CTX *ctx, unsigned char *out, size_t *poutlen);
int CMAC_resume(CMAC_CTX *ctx);

#ifdef  __cplusplus
}
#endif

# endif
#endif


code:
/*
 * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#ifndef HEADER_CMS_H
# define HEADER_CMS_H

# include <openssl/opensslconf.h>

# ifndef OPENSSL_NO_CMS
# include <openssl/x509.h>
# include <openssl/x509v3.h>
# ifdef __cplusplus
extern "C" {
# endif

typedef struct CMS_ContentInfo_st CMS_ContentInfo;
typedef struct CMS_SignerInfo_st CMS_SignerInfo;
typedef struct CMS_CertificateChoices CMS_CertificateChoices;
typedef struct CMS_RevocationInfoChoice_st CMS_RevocationInfoChoice;
typedef struct CMS_RecipientInfo_st CMS_RecipientInfo;
typedef struct CMS_ReceiptRequest_st CMS_ReceiptRequest;
typedef struct CMS_Receipt_st CMS_Receipt;
typedef struct CMS_RecipientEncryptedKey_st CMS_RecipientEncryptedKey;
typedef struct CMS_OtherKeyAttribute_st CMS_OtherKeyAttribute;

DEFINE_STACK_OF(CMS_SignerInfo)
DEFINE_STACK_OF(CMS_RecipientEncryptedKey)
DEFINE_STACK_OF(CMS_RecipientInfo)
DEFINE_STACK_OF(CMS_RevocationInfoChoice)
DECLARE_ASN1_FUNCTIONS(CMS_ContentInfo)
DECLARE_ASN1_FUNCTIONS(CMS_ReceiptRequest)
DECLARE_ASN1_PRINT_FUNCTION(CMS_ContentInfo)

# define CMS_SIGNERINFO_ISSUER_SERIAL    0
# define CMS_SIGNERINFO_KEYIDENTIFIER    1

# define CMS_RECIPINFO_NONE              -1
# define CMS_RECIPINFO_TRANS             0
# define CMS_RECIPINFO_AGREE             1
# define CMS_RECIPINFO_KEK               2
# define CMS_RECIPINFO_PASS              3
# define CMS_RECIPINFO_OTHER             4

/* S/MIME related flags */

# define CMS_TEXT                        0x1
# define CMS_NOCERTS                     0x2
# define CMS_NO_CONTENT_VERIFY           0x4
# define CMS_NO_ATTR_VERIFY              0x8
# define CMS_NOSIGS                      \
                        (CMS_NO_CONTENT_VERIFY|CMS_NO_ATTR_VERIFY)
# define CMS_NOINTERN                    0x10
# define CMS_NO_SIGNER_CERT_VERIFY       0x20
# define CMS_NOVERIFY                    0x20
# define CMS_DETACHED                    0x40
# define CMS_BINARY                      0x80
# define CMS_NOATTR                      0x100
# define CMS_NOSMIMECAP                  0x200
# define CMS_NOOLDMIMETYPE               0x400
# define CMS_CRLFEOL                     0x800
# define CMS_STREAM                      0x1000
# define CMS_NOCRL                       0x2000
# define CMS_PARTIAL                     0x4000
# define CMS_REUSE_DIGEST                0x8000
# define CMS_USE_KEYID                   0x10000
# define CMS_DEBUG_DECRYPT               0x20000
# define CMS_KEY_PARAM                   0x40000
# define CMS_ASCIICRLF                   0x80000

const ASN1_OBJECT *CMS_get0_type(const CMS_ContentInfo *cms);

BIO *CMS_dataInit(CMS_ContentInfo *cms, BIO *icont);
int CMS_dataFinal(CMS_ContentInfo *cms, BIO *bio);

ASN1_OCTET_STRING **CMS_get0_content(CMS_ContentInfo *cms);
int CMS_is_detached(CMS_ContentInfo *cms);
int CMS_set_detached(CMS_ContentInfo *cms, int detached);

# ifdef HEADER_PEM_H
DECLARE_PEM_rw_const(CMS, CMS_ContentInfo)
# endif
int CMS_stream(unsigned char ***boundary, CMS_ContentInfo *cms);
CMS_ContentInfo *d2i_CMS_bio(BIO *bp, CMS_ContentInfo **cms);
int i2d_CMS_bio(BIO *bp, CMS_ContentInfo *cms);

BIO *BIO_new_CMS(BIO *out, CMS_ContentInfo *cms);
int i2d_CMS_bio_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags);
int PEM_write_bio_CMS_stream(BIO *out, CMS_ContentInfo *cms, BIO *in,
                             int flags);
CMS_ContentInfo *SMIME_read_CMS(BIO *bio, BIO **bcont);
int SMIME_write_CMS(BIO *bio, CMS_ContentInfo *cms, BIO *data, int flags);

int CMS_final(CMS_ContentInfo *cms, BIO *data, BIO *dcont,
              unsigned int flags);

CMS_ContentInfo *CMS_sign(X509 *signcert, EVP_PKEY *pkey,
                          STACK_OF(X509) *certs, BIO *data,
                          unsigned int flags);

CMS_ContentInfo *CMS_sign_receipt(CMS_SignerInfo *si,
                                  X509 *signcert, EVP_PKEY *pkey,
                                  STACK_OF(X509) *certs, unsigned int flags);

int CMS_data(CMS_ContentInfo *cms, BIO *out, unsigned int flags);
CMS_ContentInfo *CMS_data_create(BIO *in, unsigned int flags);

int CMS_digest_verify(CMS_ContentInfo *cms, BIO *dcont, BIO *out,
                      unsigned int flags);
CMS_ContentInfo *CMS_digest_create(BIO *in, const EVP_MD *md,
                                   unsigned int flags);

int CMS_EncryptedData_decrypt(CMS_ContentInfo *cms,
                              const unsigned char *key, size_t keylen,
                              BIO *dcont, BIO *out, unsigned int flags);

CMS_ContentInfo *CMS_EncryptedData_encrypt(BIO *in, const EVP_CIPHER *cipher,
                                           const unsigned char *key,
                                           size_t keylen, unsigned int flags);

int CMS_EncryptedData_set1_key(CMS_ContentInfo *cms, const EVP_CIPHER *ciph,
                               const unsigned char *key, size_t keylen);

int CMS_verify(CMS_ContentInfo *cms, STACK_OF(X509) *certs,
               X509_STORE *store, BIO *dcont, BIO *out, unsigned int flags);

int CMS_verify_receipt(CMS_ContentInfo *rcms, CMS_ContentInfo *ocms,
                       STACK_OF(X509) *certs,
                       X509_STORE *store, unsigned int flags);

STACK_OF(X509) *CMS_get0_signers(CMS_ContentInfo *cms);

CMS_ContentInfo *CMS_encrypt(STACK_OF(X509) *certs, BIO *in,
                             const EVP_CIPHER *cipher, unsigned int flags);

int CMS_decrypt(CMS_ContentInfo *cms, EVP_PKEY *pkey, X509 *cert,
                BIO *dcont, BIO *out, unsigned int flags);

int CMS_decrypt_set1_pkey(CMS_ContentInfo *cms, EVP_PKEY *pk, X509 *cert);
int CMS_decrypt_set1_key(CMS_ContentInfo *cms,
                         unsigned char *key, size_t keylen,
                         const unsigned char *id, size_t idlen);
int CMS_decrypt_set1_password(CMS_ContentInfo *cms,
                              unsigned char *pass, ossl_ssize_t passlen);

STACK_OF(CMS_RecipientInfo) *CMS_get0_RecipientInfos(CMS_ContentInfo *cms);
int CMS_RecipientInfo_type(CMS_RecipientInfo *ri);
EVP_PKEY_CTX *CMS_RecipientInfo_get0_pkey_ctx(CMS_RecipientInfo *ri);
CMS_ContentInfo *CMS_EnvelopedData_create(const EVP_CIPHER *cipher);
CMS_RecipientInfo *CMS_add1_recipient_cert(CMS_ContentInfo *cms,
                                           X509 *recip, unsigned int flags);
int CMS_RecipientInfo_set0_pkey(CMS_RecipientInfo *ri, EVP_PKEY *pkey);
int CMS_RecipientInfo_ktri_cert_cmp(CMS_RecipientInfo *ri, X509 *cert);
int CMS_RecipientInfo_ktri_get0_algs(CMS_RecipientInfo *ri,
                                     EVP_PKEY **pk, X509 **recip,
                                     X509_ALGOR **palg);
int CMS_RecipientInfo_ktri_get0_signer_id(CMS_RecipientInfo *ri,
                                          ASN1_OCTET_STRING **keyid,
                                          X509_NAME **issuer,
                                          ASN1_INTEGER **sno);

CMS_RecipientInfo *CMS_add0_recipient_key(CMS_ContentInfo *cms, int nid,
                                          unsigned char *key, size_t keylen,
                                          unsigned char *id, size_t idlen,
                                          ASN1_GENERALIZEDTIME *date,
                                          ASN1_OBJECT *otherTypeId,
                                          ASN1_TYPE *otherType);

int CMS_RecipientInfo_kekri_get0_id(CMS_RecipientInfo *ri,
                                    X509_ALGOR **palg,
                                    ASN1_OCTET_STRING **pid,
                                    ASN1_GENERALIZEDTIME **pdate,
                                    ASN1_OBJECT **potherid,
                                    ASN1_TYPE **pothertype);

int CMS_RecipientInfo_set0_key(CMS_RecipientInfo *ri,
                               unsigned char *key, size_t keylen);

int CMS_RecipientInfo_kekri_id_cmp(CMS_RecipientInfo *ri,
                                   const unsigned char *id, size_t idlen);

int CMS_RecipientInfo_set0_password(CMS_RecipientInfo *ri,
                                    unsigned char *pass,
                                    ossl_ssize_t passlen);

CMS_RecipientInfo *CMS_add0_recipient_password(CMS_ContentInfo *cms,
                                               int iter, int wrap_nid,
                                               int pbe_nid,
                                               unsigned char *pass,
                                               ossl_ssize_t passlen,
                                               const EVP_CIPHER *kekciph);

int CMS_RecipientInfo_decrypt(CMS_ContentInfo *cms, CMS_RecipientInfo *ri);
int CMS_RecipientInfo_encrypt(CMS_ContentInfo *cms, CMS_RecipientInfo *ri);

int CMS_uncompress(CMS_ContentInfo *cms, BIO *dcont, BIO *out,
                   unsigned int flags);
CMS_ContentInfo *CMS_compress(BIO *in, int comp_nid, unsigned int flags);

int CMS_set1_eContentType(CMS_ContentInfo *cms, const ASN1_OBJECT *oid);
const ASN1_OBJECT *CMS_get0_eContentType(CMS_ContentInfo *cms);

CMS_CertificateChoices *CMS_add0_CertificateChoices(CMS_ContentInfo *cms);
int CMS_add0_cert(CMS_ContentInfo *cms, X509 *cert);
int CMS_add1_cert(CMS_ContentInfo *cms, X509 *cert);
STACK_OF(X509) *CMS_get1_certs(CMS_ContentInfo *cms);

CMS_RevocationInfoChoice *CMS_add0_RevocationInfoChoice(CMS_ContentInfo *cms);
int CMS_add0_crl(CMS_ContentInfo *cms, X509_CRL *crl);
int CMS_add1_crl(CMS_ContentInfo *cms, X509_CRL *crl);
STACK_OF(X509_CRL) *CMS_get1_crls(CMS_ContentInfo *cms);

int CMS_SignedData_init(CMS_ContentInfo *cms);
CMS_SignerInfo *CMS_add1_signer(CMS_ContentInfo *cms,
                                X509 *signer, EVP_PKEY *pk, const EVP_MD *md,
                                unsigned int flags);
EVP_PKEY_CTX *CMS_SignerInfo_get0_pkey_ctx(CMS_SignerInfo *si);
EVP_MD_CTX *CMS_SignerInfo_get0_md_ctx(CMS_SignerInfo *si);
STACK_OF(CMS_SignerInfo) *CMS_get0_SignerInfos(CMS_ContentInfo *cms);

void CMS_SignerInfo_set1_signer_cert(CMS_SignerInfo *si, X509 *signer);
int CMS_SignerInfo_get0_signer_id(CMS_SignerInfo *si,
                                  ASN1_OCTET_STRING **keyid,
                                  X509_NAME **issuer, ASN1_INTEGER **sno);
int CMS_SignerInfo_cert_cmp(CMS_SignerInfo *si, X509 *cert);
int CMS_set1_signers_certs(CMS_ContentInfo *cms, STACK_OF(X509) *certs,
                           unsigned int flags);
void CMS_SignerInfo_get0_algs(CMS_SignerInfo *si, EVP_PKEY **pk,
                              X509 **signer, X509_ALGOR **pdig,
                              X509_ALGOR **psig);
ASN1_OCTET_STRING *CMS_SignerInfo_get0_signature(CMS_SignerInfo *si);
int CMS_SignerInfo_sign(CMS_SignerInfo *si);
int CMS_SignerInfo_verify(CMS_SignerInfo *si);
int CMS_SignerInfo_verify_content(CMS_SignerInfo *si, BIO *chain);

int CMS_add_smimecap(CMS_SignerInfo *si, STACK_OF(X509_ALGOR) *algs);
int CMS_add_simple_smimecap(STACK_OF(X509_ALGOR) **algs,
                            int algnid, int keysize);
int CMS_add_standard_smimecap(STACK_OF(X509_ALGOR) **smcap);

int CMS_signed_get_attr_count(const CMS_SignerInfo *si);
int CMS_signed_get_attr_by_NID(const CMS_SignerInfo *si, int nid,
                               int lastpos);
int CMS_signed_get_attr_by_OBJ(const CMS_SignerInfo *si, const ASN1_OBJECT *obj,
                               int lastpos);
X509_ATTRIBUTE *CMS_signed_get_attr(const CMS_SignerInfo *si, int loc);
X509_ATTRIBUTE *CMS_signed_delete_attr(CMS_SignerInfo *si, int loc);
int CMS_signed_add1_attr(CMS_SignerInfo *si, X509_ATTRIBUTE *attr);
int CMS_signed_add1_attr_by_OBJ(CMS_SignerInfo *si,
                                const ASN1_OBJECT *obj, int type,
                                const void *bytes, int len);
int CMS_signed_add1_attr_by_NID(CMS_SignerInfo *si,
                                int nid, int type,
                                const void *bytes, int len);
int CMS_signed_add1_attr_by_txt(CMS_SignerInfo *si,
                                const char *attrname, int type,
                                const void *bytes, int len);
void *CMS_signed_get0_data_by_OBJ(CMS_SignerInfo *si, const ASN1_OBJECT *oid,
                                  int lastpos, int type);

int CMS_unsigned_get_attr_count(const CMS_SignerInfo *si);
int CMS_unsigned_get_attr_by_NID(const CMS_SignerInfo *si, int nid,
                                 int lastpos);
int CMS_unsigned_get_attr_by_OBJ(const CMS_SignerInfo *si,
                                 const ASN1_OBJECT *obj, int lastpos);
X509_ATTRIBUTE *CMS_unsigned_get_attr(const CMS_SignerInfo *si, int loc);
X509_ATTRIBUTE *CMS_unsigned_delete_attr(CMS_SignerInfo *si, int loc);
int CMS_unsigned_add1_attr(CMS_SignerInfo *si, X509_ATTRIBUTE *attr);
int CMS_unsigned_add1_attr_by_OBJ(CMS_SignerInfo *si,
                                  const ASN1_OBJECT *obj, int type,
                                  const void *bytes, int len);
int CMS_unsigned_add1_attr_by_NID(CMS_SignerInfo *si,
                                  int nid, int type,
                                  const void *bytes, int len);
int CMS_unsigned_add1_attr_by_txt(CMS_SignerInfo *si,
                                  const char *attrname, int type,
                                  const void *bytes, int len);
void *CMS_unsigned_get0_data_by_OBJ(CMS_SignerInfo *si, ASN1_OBJECT *oid,
                                    int lastpos, int type);

# ifdef HEADER_X509V3_H

int CMS_get1_ReceiptRequest(CMS_SignerInfo *si, CMS_ReceiptRequest **prr);
CMS_ReceiptRequest *CMS_ReceiptRequest_create0(unsigned char *id, int idlen,
                                               int allorfirst,
                                               STACK_OF(GENERAL_NAMES)
                                               *receiptList, STACK_OF(GENERAL_NAMES)
                                               *receiptsTo);
int CMS_add1_ReceiptRequest(CMS_SignerInfo *si, CMS_ReceiptRequest *rr);
void CMS_ReceiptRequest_get0_values(CMS_ReceiptRequest *rr,
                                    ASN1_STRING **pcid,
                                    int *pallorfirst,
                                    STACK_OF(GENERAL_NAMES) **plist,
                                    STACK_OF(GENERAL_NAMES) **prto);
# endif
int CMS_RecipientInfo_kari_get0_alg(CMS_RecipientInfo *ri,
                                    X509_ALGOR **palg,
                                    ASN1_OCTET_STRING **pukm);
STACK_OF(CMS_RecipientEncryptedKey)
*CMS_RecipientInfo_kari_get0_reks(CMS_RecipientInfo *ri);

int CMS_RecipientInfo_kari_get0_orig_id(CMS_RecipientInfo *ri,
                                        X509_ALGOR **pubalg,
                                        ASN1_BIT_STRING **pubkey,
                                        ASN1_OCTET_STRING **keyid,
                                        X509_NAME **issuer,
                                        ASN1_INTEGER **sno);

int CMS_RecipientInfo_kari_orig_id_cmp(CMS_RecipientInfo *ri, X509 *cert);

int CMS_RecipientEncryptedKey_get0_id(CMS_RecipientEncryptedKey *rek,
                                      ASN1_OCTET_STRING **keyid,
                                      ASN1_GENERALIZEDTIME **tm,
                                      CMS_OtherKeyAttribute **other,
                                      X509_NAME **issuer, ASN1_INTEGER **sno);
int CMS_RecipientEncryptedKey_cert_cmp(CMS_RecipientEncryptedKey *rek,
                                       X509 *cert);
int CMS_RecipientInfo_kari_set0_pkey(CMS_RecipientInfo *ri, EVP_PKEY *pk);
EVP_CIPHER_CTX *CMS_RecipientInfo_kari_get0_ctx(CMS_RecipientInfo *ri);
int CMS_RecipientInfo_kari_decrypt(CMS_ContentInfo *cms,
                                   CMS_RecipientInfo *ri,
                                   CMS_RecipientEncryptedKey *rek);

int CMS_SharedInfo_encode(unsigned char **pder, X509_ALGOR *kekalg,
                          ASN1_OCTET_STRING *ukm, int keylen);

/* BEGIN ERROR CODES */
/*
 * The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */

int ERR_load_CMS_strings(void);

/* Error codes for the CMS functions. */

/* Function codes. */
# define CMS_F_CHECK_CONTENT                              99
# define CMS_F_CMS_ADD0_CERT                              164
# define CMS_F_CMS_ADD0_RECIPIENT_KEY                     100
# define CMS_F_CMS_ADD0_RECIPIENT_PASSWORD                165
# define CMS_F_CMS_ADD1_RECEIPTREQUEST                    158
# define CMS_F_CMS_ADD1_RECIPIENT_CERT                    101
# define CMS_F_CMS_ADD1_SIGNER                            102
# define CMS_F_CMS_ADD1_SIGNINGTIME                       103
# define CMS_F_CMS_COMPRESS                               104
# define CMS_F_CMS_COMPRESSEDDATA_CREATE                  105
# define CMS_F_CMS_COMPRESSEDDATA_INIT_BIO                106
# define CMS_F_CMS_COPY_CONTENT                           107
# define CMS_F_CMS_COPY_MESSAGEDIGEST                     108
# define CMS_F_CMS_DATA                                   109
# define CMS_F_CMS_DATAFINAL                              110
# define CMS_F_CMS_DATAINIT                               111
# define CMS_F_CMS_DECRYPT                                112
# define CMS_F_CMS_DECRYPT_SET1_KEY                       113
# define CMS_F_CMS_DECRYPT_SET1_PASSWORD                  166
# define CMS_F_CMS_DECRYPT_SET1_PKEY                      114
# define CMS_F_CMS_DIGESTALGORITHM_FIND_CTX               115
# define CMS_F_CMS_DIGESTALGORITHM_INIT_BIO               116
# define CMS_F_CMS_DIGESTEDDATA_DO_FINAL                  117
# define CMS_F_CMS_DIGEST_VERIFY                          118
# define CMS_F_CMS_ENCODE_RECEIPT                         161
# define CMS_F_CMS_ENCRYPT                                119
# define CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO              120
# define CMS_F_CMS_ENCRYPTEDDATA_DECRYPT                  121
# define CMS_F_CMS_ENCRYPTEDDATA_ENCRYPT                  122
# define CMS_F_CMS_ENCRYPTEDDATA_SET1_KEY                 123
# define CMS_F_CMS_ENVELOPEDDATA_CREATE                   124
# define CMS_F_CMS_ENVELOPEDDATA_INIT_BIO                 125
# define CMS_F_CMS_ENVELOPED_DATA_INIT                    126
# define CMS_F_CMS_ENV_ASN1_CTRL                          171
# define CMS_F_CMS_FINAL                                  127
# define CMS_F_CMS_GET0_CERTIFICATE_CHOICES               128
# define CMS_F_CMS_GET0_CONTENT                           129
# define CMS_F_CMS_GET0_ECONTENT_TYPE                     130
# define CMS_F_CMS_GET0_ENVELOPED                         131
# define CMS_F_CMS_GET0_REVOCATION_CHOICES                132
# define CMS_F_CMS_GET0_SIGNED                            133
# define CMS_F_CMS_MSGSIGDIGEST_ADD1                      162
# define CMS_F_CMS_RECEIPTREQUEST_CREATE0                 159
# define CMS_F_CMS_RECEIPT_VERIFY                         160
# define CMS_F_CMS_RECIPIENTINFO_DECRYPT                  134
# define CMS_F_CMS_RECIPIENTINFO_ENCRYPT                  169
# define CMS_F_CMS_RECIPIENTINFO_KARI_ENCRYPT             178
# define CMS_F_CMS_RECIPIENTINFO_KARI_GET0_ALG            175
# define CMS_F_CMS_RECIPIENTINFO_KARI_GET0_ORIG_ID        173
# define CMS_F_CMS_RECIPIENTINFO_KARI_GET0_REKS           172
# define CMS_F_CMS_RECIPIENTINFO_KARI_ORIG_ID_CMP         174
# define CMS_F_CMS_RECIPIENTINFO_KEKRI_DECRYPT            135
# define CMS_F_CMS_RECIPIENTINFO_KEKRI_ENCRYPT            136
# define CMS_F_CMS_RECIPIENTINFO_KEKRI_GET0_ID            137
# define CMS_F_CMS_RECIPIENTINFO_KEKRI_ID_CMP             138
# define CMS_F_CMS_RECIPIENTINFO_KTRI_CERT_CMP            139
# define CMS_F_CMS_RECIPIENTINFO_KTRI_DECRYPT             140
# define CMS_F_CMS_RECIPIENTINFO_KTRI_ENCRYPT             141
# define CMS_F_CMS_RECIPIENTINFO_KTRI_GET0_ALGS           142
# define CMS_F_CMS_RECIPIENTINFO_KTRI_GET0_SIGNER_ID      143
# define CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT               167
# define CMS_F_CMS_RECIPIENTINFO_SET0_KEY                 144
# define CMS_F_CMS_RECIPIENTINFO_SET0_PASSWORD            168
# define CMS_F_CMS_RECIPIENTINFO_SET0_PKEY                145
# define CMS_F_CMS_SD_ASN1_CTRL                           170
# define CMS_F_CMS_SET1_IAS                               176
# define CMS_F_CMS_SET1_KEYID                             177
# define CMS_F_CMS_SET1_SIGNERIDENTIFIER                  146
# define CMS_F_CMS_SET_DETACHED                           147
# define CMS_F_CMS_SIGN                                   148
# define CMS_F_CMS_SIGNED_DATA_INIT                       149
# define CMS_F_CMS_SIGNERINFO_CONTENT_SIGN                150
# define CMS_F_CMS_SIGNERINFO_SIGN                        151
# define CMS_F_CMS_SIGNERINFO_VERIFY                      152
# define CMS_F_CMS_SIGNERINFO_VERIFY_CERT                 153
# define CMS_F_CMS_SIGNERINFO_VERIFY_CONTENT              154
# define CMS_F_CMS_SIGN_RECEIPT                           163
# define CMS_F_CMS_STREAM                                 155
# define CMS_F_CMS_UNCOMPRESS                             156
# define CMS_F_CMS_VERIFY                                 157

/* Reason codes. */
# define CMS_R_ADD_SIGNER_ERROR                           99
# define CMS_R_CERTIFICATE_ALREADY_PRESENT                175
# define CMS_R_CERTIFICATE_HAS_NO_KEYID                   160
# define CMS_R_CERTIFICATE_VERIFY_ERROR                   100
# define CMS_R_CIPHER_INITIALISATION_ERROR                101
# define CMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR      102
# define CMS_R_CMS_DATAFINAL_ERROR                        103
# define CMS_R_CMS_LIB                                    104
# define CMS_R_CONTENTIDENTIFIER_MISMATCH                 170
# define CMS_R_CONTENT_NOT_FOUND                          105
# define CMS_R_CONTENT_TYPE_MISMATCH                      171
# define CMS_R_CONTENT_TYPE_NOT_COMPRESSED_DATA           106
# define CMS_R_CONTENT_TYPE_NOT_ENVELOPED_DATA            107
# define CMS_R_CONTENT_TYPE_NOT_SIGNED_DATA               108
# define CMS_R_CONTENT_VERIFY_ERROR                       109
# define CMS_R_CTRL_ERROR                                 110
# define CMS_R_CTRL_FAILURE                               111
# define CMS_R_DECRYPT_ERROR                              112
# define CMS_R_ERROR_GETTING_PUBLIC_KEY                   113
# define CMS_R_ERROR_READING_MESSAGEDIGEST_ATTRIBUTE      114
# define CMS_R_ERROR_SETTING_KEY                          115
# define CMS_R_ERROR_SETTING_RECIPIENTINFO                116
# define CMS_R_INVALID_ENCRYPTED_KEY_LENGTH               117
# define CMS_R_INVALID_KEY_ENCRYPTION_PARAMETER           176
# define CMS_R_INVALID_KEY_LENGTH                         118
# define CMS_R_MD_BIO_INIT_ERROR                          119
# define CMS_R_MESSAGEDIGEST_ATTRIBUTE_WRONG_LENGTH       120
# define CMS_R_MESSAGEDIGEST_WRONG_LENGTH                 121
# define CMS_R_MSGSIGDIGEST_ERROR                         172
# define CMS_R_MSGSIGDIGEST_VERIFICATION_FAILURE          162
# define CMS_R_MSGSIGDIGEST_WRONG_LENGTH                  163
# define CMS_R_NEED_ONE_SIGNER                            164
# define CMS_R_NOT_A_SIGNED_RECEIPT                       165
# define CMS_R_NOT_ENCRYPTED_DATA                         122
# define CMS_R_NOT_KEK                                    123
# define CMS_R_NOT_KEY_AGREEMENT                          181
# define CMS_R_NOT_KEY_TRANSPORT                          124
# define CMS_R_NOT_PWRI                                   177
# define CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE            125
# define CMS_R_NO_CIPHER                                  126
# define CMS_R_NO_CONTENT                                 127
# define CMS_R_NO_CONTENT_TYPE                            173
# define CMS_R_NO_DEFAULT_DIGEST                          128
# define CMS_R_NO_DIGEST_SET                              129
# define CMS_R_NO_KEY                                     130
# define CMS_R_NO_KEY_OR_CERT                             174
# define CMS_R_NO_MATCHING_DIGEST                         131
# define CMS_R_NO_MATCHING_RECIPIENT                      132
# define CMS_R_NO_MATCHING_SIGNATURE                      166
# define CMS_R_NO_MSGSIGDIGEST                            167
# define CMS_R_NO_PASSWORD                                178
# define CMS_R_NO_PRIVATE_KEY                             133
# define CMS_R_NO_PUBLIC_KEY                              134
# define CMS_R_NO_RECEIPT_REQUEST                         168
# define CMS_R_NO_SIGNERS                                 135
# define CMS_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE     136
# define CMS_R_RECEIPT_DECODE_ERROR                       169
# define CMS_R_RECIPIENT_ERROR                            137
# define CMS_R_SIGNER_CERTIFICATE_NOT_FOUND               138
# define CMS_R_SIGNFINAL_ERROR                            139
# define CMS_R_SMIME_TEXT_ERROR                           140
# define CMS_R_STORE_INIT_ERROR                           141
# define CMS_R_TYPE_NOT_COMPRESSED_DATA                   142
# define CMS_R_TYPE_NOT_DATA                              143
# define CMS_R_TYPE_NOT_DIGESTED_DATA                     144
# define CMS_R_TYPE_NOT_ENCRYPTED_DATA                    145
# define CMS_R_TYPE_NOT_ENVELOPED_DATA                    146
# define CMS_R_UNABLE_TO_FINALIZE_CONTEXT                 147
# define CMS_R_UNKNOWN_CIPHER                             148
# define CMS_R_UNKNOWN_DIGEST_ALGORIHM                    149
# define CMS_R_UNKNOWN_ID                                 150
# define CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM          151
# define CMS_R_UNSUPPORTED_CONTENT_TYPE                   152
# define CMS_R_UNSUPPORTED_KEK_ALGORITHM                  153
# define CMS_R_UNSUPPORTED_KEY_ENCRYPTION_ALGORITHM       179
# define CMS_R_UNSUPPORTED_RECIPIENT_TYPE                 154
# define CMS_R_UNSUPPORTED_RECPIENTINFO_TYPE              155
# define CMS_R_UNSUPPORTED_TYPE                           156
# define CMS_R_UNWRAP_ERROR                               157
# define CMS_R_UNWRAP_FAILURE                             180
# define CMS_R_VERIFICATION_FAILURE                       158
# define CMS_R_WRAP_ERROR                                 159

#  ifdef  __cplusplus
}
#  endif
# endif
#endif


code:
/*
 * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#ifndef HEADER_COMP_H
# define HEADER_COMP_H

# include <openssl/opensslconf.h>

# ifndef OPENSSL_NO_COMP
# include <openssl/crypto.h>
# ifdef  __cplusplus
extern "C" {
# endif

COMP_CTX *COMP_CTX_new(COMP_METHOD *meth);
const COMP_METHOD *COMP_CTX_get_method(const COMP_CTX *ctx);
int COMP_CTX_get_type(const COMP_CTX* comp);
int COMP_get_type(const COMP_METHOD *meth);
const char *COMP_get_name(const COMP_METHOD *meth);
void COMP_CTX_free(COMP_CTX *ctx);

int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
                        unsigned char *in, int ilen);
int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
                      unsigned char *in, int ilen);

COMP_METHOD *COMP_zlib(void);

#if OPENSSL_API_COMPAT < 0x10100000L
#define COMP_zlib_cleanup() while(0) continue
#endif

# ifdef HEADER_BIO_H
#  ifdef ZLIB
const BIO_METHOD *BIO_f_zlib(void);
#  endif
# endif

/* BEGIN ERROR CODES */
/*
 * The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */

int ERR_load_COMP_strings(void);

/* Error codes for the COMP functions. */

/* Function codes. */
# define COMP_F_BIO_ZLIB_FLUSH                            99
# define COMP_F_BIO_ZLIB_NEW                              100
# define COMP_F_BIO_ZLIB_READ                             101
# define COMP_F_BIO_ZLIB_WRITE                            102

/* Reason codes. */
# define COMP_R_ZLIB_DEFLATE_ERROR                        99
# define COMP_R_ZLIB_INFLATE_ERROR                        100
# define COMP_R_ZLIB_NOT_SUPPORTED                        101

#  ifdef  __cplusplus
}
#  endif
# endif
#endif


code:
/*
 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#ifndef  HEADER_CONF_H
# define HEADER_CONF_H

# include <openssl/bio.h>
# include <openssl/lhash.h>
# include <openssl/stack.h>
# include <openssl/safestack.h>
# include <openssl/e_os2.h>

# include <openssl/ossl_typ.h>

#ifdef  __cplusplus
extern "C" {
#endif

typedef struct {
    char *section;
    char *name;
    char *value;
} CONF_VALUE;

DEFINE_STACK_OF(CONF_VALUE)
DEFINE_LHASH_OF(CONF_VALUE);

struct conf_st;
struct conf_method_st;
typedef struct conf_method_st CONF_METHOD;

struct conf_method_st {
    const char *name;
    CONF *(*create) (CONF_METHOD *meth);
    int (*init) (CONF *conf);
    int (*destroy) (CONF *conf);
    int (*destroy_data) (CONF *conf);
    int (*load_bio) (CONF *conf, BIO *bp, long *eline);
    int (*dump) (const CONF *conf, BIO *bp);
    int (*is_number) (const CONF *conf, char c);
    int (*to_int) (const CONF *conf, char c);
    int (*load) (CONF *conf, const char *name, long *eline);
};

/* Module definitions */

typedef struct conf_imodule_st CONF_IMODULE;
typedef struct conf_module_st CONF_MODULE;

DEFINE_STACK_OF(CONF_MODULE)
DEFINE_STACK_OF(CONF_IMODULE)

/* DSO module function typedefs */
typedef int conf_init_func (CONF_IMODULE *md, const CONF *cnf);
typedef void conf_finish_func (CONF_IMODULE *md);

# define CONF_MFLAGS_IGNORE_ERRORS       0x1
# define CONF_MFLAGS_IGNORE_RETURN_CODES 0x2
# define CONF_MFLAGS_SILENT              0x4
# define CONF_MFLAGS_NO_DSO              0x8
# define CONF_MFLAGS_IGNORE_MISSING_FILE 0x10
# define CONF_MFLAGS_DEFAULT_SECTION     0x20

int CONF_set_default_method(CONF_METHOD *meth);
void CONF_set_nconf(CONF *conf, LHASH_OF(CONF_VALUE) *hash);
LHASH_OF(CONF_VALUE) *CONF_load(LHASH_OF(CONF_VALUE) *conf, const char *file,
                                long *eline);
# ifndef OPENSSL_NO_STDIO
LHASH_OF(CONF_VALUE) *CONF_load_fp(LHASH_OF(CONF_VALUE) *conf, FILE *fp,
                                   long *eline);
# endif
LHASH_OF(CONF_VALUE) *CONF_load_bio(LHASH_OF(CONF_VALUE) *conf, BIO *bp,
                                    long *eline);
STACK_OF(CONF_VALUE) *CONF_get_section(LHASH_OF(CONF_VALUE) *conf,
                                       const char *section);
char *CONF_get_string(LHASH_OF(CONF_VALUE) *conf, const char *group,
                      const char *name);
long CONF_get_number(LHASH_OF(CONF_VALUE) *conf, const char *group,
                     const char *name);
void CONF_free(LHASH_OF(CONF_VALUE) *conf);
#ifndef OPENSSL_NO_STDIO
int CONF_dump_fp(LHASH_OF(CONF_VALUE) *conf, FILE *out);
#endif
int CONF_dump_bio(LHASH_OF(CONF_VALUE) *conf, BIO *out);

DEPRECATEDIN_1_1_0(void OPENSSL_config(const char *config_name))

#if OPENSSL_API_COMPAT < 0x10100000L
# define OPENSSL_no_config() \
    OPENSSL_init_crypto(OPENSSL_INIT_NO_LOAD_CONFIG, NULL)
#endif

/*
 * New conf code.  The semantics are different from the functions above. If
 * that wasn't the case, the above functions would have been replaced
 */

struct conf_st {
    CONF_METHOD *meth;
    void *meth_data;
    LHASH_OF(CONF_VALUE) *data;
};

CONF *NCONF_new(CONF_METHOD *meth);
CONF_METHOD *NCONF_default(void);
CONF_METHOD *NCONF_WIN32(void);
void NCONF_free(CONF *conf);
void NCONF_free_data(CONF *conf);

int NCONF_load(CONF *conf, const char *file, long *eline);
# ifndef OPENSSL_NO_STDIO
int NCONF_load_fp(CONF *conf, FILE *fp, long *eline);
# endif
int NCONF_load_bio(CONF *conf, BIO *bp, long *eline);
STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf,
                                        const char *section);
char *NCONF_get_string(const CONF *conf, const char *group, const char *name);
int NCONF_get_number_e(const CONF *conf, const char *group, const char *name,
                       long *result);
#ifndef OPENSSL_NO_STDIO
int NCONF_dump_fp(const CONF *conf, FILE *out);
#endif
int NCONF_dump_bio(const CONF *conf, BIO *out);

#define NCONF_get_number(c,g,n,r) NCONF_get_number_e(c,g,n,r)

/* Module functions */

int CONF_modules_load(const CONF *cnf, const char *appname,
                      unsigned long flags);
int CONF_modules_load_file(const char *filename, const char *appname,
                           unsigned long flags);
void CONF_modules_unload(int all);
void CONF_modules_finish(void);
#if OPENSSL_API_COMPAT < 0x10100000L
# define CONF_modules_free() while(0) continue
#endif
int CONF_module_add(const char *name, conf_init_func *ifunc,
                    conf_finish_func *ffunc);

const char *CONF_imodule_get_name(const CONF_IMODULE *md);
const char *CONF_imodule_get_value(const CONF_IMODULE *md);
void *CONF_imodule_get_usr_data(const CONF_IMODULE *md);
void CONF_imodule_set_usr_data(CONF_IMODULE *md, void *usr_data);
CONF_MODULE *CONF_imodule_get_module(const CONF_IMODULE *md);
unsigned long CONF_imodule_get_flags(const CONF_IMODULE *md);
void CONF_imodule_set_flags(CONF_IMODULE *md, unsigned long flags);
void *CONF_module_get_usr_data(CONF_MODULE *pmod);
void CONF_module_set_usr_data(CONF_MODULE *pmod, void *usr_data);

char *CONF_get1_default_config_file(void);

int CONF_parse_list(const char *list, int sep, int nospc,
                    int (*list_cb) (const char *elem, int len, void *usr),
                    void *arg);

void OPENSSL_load_builtin_modules(void);

/* BEGIN ERROR CODES */
/*
 * The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */

int ERR_load_CONF_strings(void);

/* Error codes for the CONF functions. */

/* Function codes. */
# define CONF_F_CONF_DUMP_FP                              104
# define CONF_F_CONF_LOAD                                 100
# define CONF_F_CONF_LOAD_FP                              103
# define CONF_F_CONF_PARSE_LIST                           119
# define CONF_F_DEF_LOAD                                  120
# define CONF_F_DEF_LOAD_BIO                              121
# define CONF_F_MODULE_INIT                               115
# define CONF_F_MODULE_LOAD_DSO                           117
# define CONF_F_MODULE_RUN                                118
# define CONF_F_NCONF_DUMP_BIO                            105
# define CONF_F_NCONF_DUMP_FP                             106
# define CONF_F_NCONF_GET_NUMBER_E                        112
# define CONF_F_NCONF_GET_SECTION                         108
# define CONF_F_NCONF_GET_STRING                          109
# define CONF_F_NCONF_LOAD                                113
# define CONF_F_NCONF_LOAD_BIO                            110
# define CONF_F_NCONF_LOAD_FP                             114
# define CONF_F_NCONF_NEW                                 111
# define CONF_F_STR_COPY                                  101

/* Reason codes. */
# define CONF_R_ERROR_LOADING_DSO                         110
# define CONF_R_LIST_CANNOT_BE_NULL                       115
# define CONF_R_MISSING_CLOSE_SQUARE_BRACKET              100
# define CONF_R_MISSING_EQUAL_SIGN                        101
# define CONF_R_MISSING_INIT_FUNCTION                     112
# define CONF_R_MODULE_INITIALIZATION_ERROR               109
# define CONF_R_NO_CLOSE_BRACE                            102
# define CONF_R_NO_CONF                                   105
# define CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE           106
# define CONF_R_NO_SECTION                                107
# define CONF_R_NO_SUCH_FILE                              114
# define CONF_R_NO_VALUE                                  108
# define CONF_R_UNABLE_TO_CREATE_NEW_SECTION              103
# define CONF_R_UNKNOWN_MODULE_NAME                       113
# define CONF_R_VARIABLE_EXPANSION_TOO_LONG               116
# define CONF_R_VARIABLE_HAS_NO_VALUE                     104

# ifdef  __cplusplus
}
# endif
#endif


code:
/*
 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#ifndef  HEADER_CONF_API_H
# define HEADER_CONF_API_H

# include <openssl/lhash.h>
# include <openssl/conf.h>

#ifdef  __cplusplus
extern "C" {
#endif

/* Up until OpenSSL 0.9.5a, this was new_section */
CONF_VALUE *_CONF_new_section(CONF *conf, const char *section);
/* Up until OpenSSL 0.9.5a, this was get_section */
CONF_VALUE *_CONF_get_section(const CONF *conf, const char *section);
/* Up until OpenSSL 0.9.5a, this was CONF_get_section */
STACK_OF(CONF_VALUE) *_CONF_get_section_values(const CONF *conf,
                                               const char *section);

int _CONF_add_string(CONF *conf, CONF_VALUE *section, CONF_VALUE *value);
char *_CONF_get_string(const CONF *conf, const char *section,
                       const char *name);
long _CONF_get_number(const CONF *conf, const char *section,
                      const char *name);

int _CONF_new_data(CONF *conf);
void _CONF_free_data(CONF *conf);

#ifdef  __cplusplus
}
#endif
#endif


code:
/*
 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

/* ====================================================================
 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 * ECDH support in OpenSSL originally developed by
 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 */

#ifndef HEADER_CRYPTO_H
# define HEADER_CRYPTO_H

# include <stdlib.h>
# include <time.h>

# include <openssl/e_os2.h>

# ifndef OPENSSL_NO_STDIO
#  include <stdio.h>
# endif

# include <openssl/stack.h>
# include <openssl/safestack.h>
# include <openssl/opensslv.h>
# include <openssl/ossl_typ.h>
# include <openssl/opensslconf.h>

# ifdef CHARSET_EBCDIC
#  include <openssl/ebcdic.h>
# endif

/*
 * Resolve problems on some operating systems with symbol names that clash
 * one way or another
 */
# include <openssl/symhacks.h>

# if OPENSSL_API_COMPAT < 0x10100000L
#  include <openssl/opensslv.h>
# endif

#ifdef  __cplusplus
extern "C" {
#endif

# if OPENSSL_API_COMPAT < 0x10100000L
#  define SSLeay                  OpenSSL_version_num
#  define SSLeay_version          OpenSSL_version
#  define SSLEAY_VERSION_NUMBER   OPENSSL_VERSION_NUMBER
#  define SSLEAY_VERSION          OPENSSL_VERSION
#  define SSLEAY_CFLAGS           OPENSSL_CFLAGS
#  define SSLEAY_BUILT_ON         OPENSSL_BUILT_ON
#  define SSLEAY_PLATFORM         OPENSSL_PLATFORM
#  define SSLEAY_DIR              OPENSSL_DIR

/*
 * Old type for allocating dynamic locks. No longer used. Use the new thread
 * API instead.
 */
typedef struct {
    int dummy;
} CRYPTO_dynlock;

# endif /* OPENSSL_API_COMPAT */

typedef void CRYPTO_RWLOCK;

CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void);
int CRYPTO_THREAD_read_lock(CRYPTO_RWLOCK *lock);
int CRYPTO_THREAD_write_lock(CRYPTO_RWLOCK *lock);
int CRYPTO_THREAD_unlock(CRYPTO_RWLOCK *lock);
void CRYPTO_THREAD_lock_free(CRYPTO_RWLOCK *lock);

int CRYPTO_atomic_add(int *val, int amount, int *ret, CRYPTO_RWLOCK *lock);

/*
 * The following can be used to detect memory leaks in the library. If
 * used, it turns on malloc checking
 */
# define CRYPTO_MEM_CHECK_OFF     0x0   /* Control only */
# define CRYPTO_MEM_CHECK_ON      0x1   /* Control and mode bit */
# define CRYPTO_MEM_CHECK_ENABLE  0x2   /* Control and mode bit */
# define CRYPTO_MEM_CHECK_DISABLE 0x3   /* Control only */

struct crypto_ex_data_st {
    STACK_OF(void) *sk;
};
DEFINE_STACK_OF(void)

/*
 * Per class, we have a STACK of function pointers.
 */
# define CRYPTO_EX_INDEX_SSL              0
# define CRYPTO_EX_INDEX_SSL_CTX          1
# define CRYPTO_EX_INDEX_SSL_SESSION      2
# define CRYPTO_EX_INDEX_X509             3
# define CRYPTO_EX_INDEX_X509_STORE       4
# define CRYPTO_EX_INDEX_X509_STORE_CTX   5
# define CRYPTO_EX_INDEX_DH               6
# define CRYPTO_EX_INDEX_DSA              7
# define CRYPTO_EX_INDEX_EC_KEY           8
# define CRYPTO_EX_INDEX_RSA              9
# define CRYPTO_EX_INDEX_ENGINE          10
# define CRYPTO_EX_INDEX_UI              11
# define CRYPTO_EX_INDEX_BIO             12
# define CRYPTO_EX_INDEX_APP             13
# define CRYPTO_EX_INDEX__COUNT          14

/*
 * This is the default callbacks, but we can have others as well: this is
 * needed in Win32 where the application malloc and the library malloc may
 * not be the same.
 */
#define OPENSSL_malloc_init() \
    CRYPTO_set_mem_functions(CRYPTO_malloc, CRYPTO_realloc, CRYPTO_free)

int CRYPTO_mem_ctrl(int mode);

# define OPENSSL_malloc(num) \
        CRYPTO_malloc(num, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_zalloc(num) \
        CRYPTO_zalloc(num, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_realloc(addr, num) \
        CRYPTO_realloc(addr, num, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_clear_realloc(addr, old_num, num) \
        CRYPTO_clear_realloc(addr, old_num, num, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_clear_free(addr, num) \
        CRYPTO_clear_free(addr, num, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_free(addr) \
        CRYPTO_free(addr, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_memdup(str, s) \
        CRYPTO_memdup((str), s, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_strdup(str) \
        CRYPTO_strdup(str, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_strndup(str, n) \
        CRYPTO_strndup(str, n, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_secure_malloc(num) \
        CRYPTO_secure_malloc(num, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_secure_zalloc(num) \
        CRYPTO_secure_zalloc(num, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_secure_free(addr) \
        CRYPTO_secure_free(addr, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_secure_actual_size(ptr) \
        CRYPTO_secure_actual_size(ptr)

size_t OPENSSL_strlcpy(char *dst, const char *src, size_t siz);
size_t OPENSSL_strlcat(char *dst, const char *src, size_t siz);
size_t OPENSSL_strnlen(const char *str, size_t maxlen);
char *OPENSSL_buf2hexstr(const unsigned char *buffer, long len);
unsigned char *OPENSSL_hexstr2buf(const char *str, long *len);
int OPENSSL_hexchar2int(unsigned char c);

# define OPENSSL_MALLOC_MAX_NELEMS(type)  (((1U<<(sizeof(int)*8-1))-1)/sizeof(type))

unsigned long OpenSSL_version_num(void);
const char *OpenSSL_version(int type);
# define OPENSSL_VERSION          0
# define OPENSSL_CFLAGS           1
# define OPENSSL_BUILT_ON         2
# define OPENSSL_PLATFORM         3
# define OPENSSL_DIR              4
# define OPENSSL_ENGINES_DIR      5

int OPENSSL_issetugid(void);

typedef void CRYPTO_EX_new (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
                           int idx, long argl, void *argp);
typedef void CRYPTO_EX_free (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
                             int idx, long argl, void *argp);
typedef int CRYPTO_EX_dup (CRYPTO_EX_DATA *to, const CRYPTO_EX_DATA *from,
                           void *from_d, int idx, long argl, void *argp);
__owur int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
                            CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
                            CRYPTO_EX_free *free_func);
/* No longer use an index. */
int CRYPTO_free_ex_index(int class_index, int idx);

/*
 * Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a
 * given class (invokes whatever per-class callbacks are applicable)
 */
int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
                       const CRYPTO_EX_DATA *from);

void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);

/*
 * Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular
 * index (relative to the class type involved)
 */
int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);
void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx);

# if OPENSSL_API_COMPAT < 0x10100000L
/*
 * This function cleans up all "ex_data" state. It mustn't be called under
 * potential race-conditions.
 */
# define CRYPTO_cleanup_all_ex_data() while(0) continue

/*
 * The old locking functions have been removed completely without compatibility
 * macros. This is because the old functions either could not properly report
 * errors, or the returned error values were not clearly documented.
 * Replacing the locking functions with with no-ops would cause race condition
 * issues in the affected applications. It is far better for them to fail at
 * compile time.
 * On the other hand, the locking callbacks are no longer used.  Consequently,
 * the callback management functions can be safely replaced with no-op macros.
 */
#  define CRYPTO_num_locks()            (1)
#  define CRYPTO_set_locking_callback(func)
#  define CRYPTO_get_locking_callback()         (NULL)
#  define CRYPTO_set_add_lock_callback(func)
#  define CRYPTO_get_add_lock_callback()        (NULL)

/*
 * These defines where used in combination with the old locking callbacks,
 * they are not called anymore, but old code that's not called might still
 * use them.
 */
#  define CRYPTO_LOCK             1
#  define CRYPTO_UNLOCK           2
#  define CRYPTO_READ             4
#  define CRYPTO_WRITE            8

/* This structure is no longer used */
typedef struct crypto_threadid_st {
    int dummy;
} CRYPTO_THREADID;
/* Only use CRYPTO_THREADID_set_[numeric|pointer]() within callbacks */
#  define CRYPTO_THREADID_set_numeric(id, val)
#  define CRYPTO_THREADID_set_pointer(id, ptr)
#  define CRYPTO_THREADID_set_callback(threadid_func)   (0)
#  define CRYPTO_THREADID_get_callback()                (NULL)
#  define CRYPTO_THREADID_current(id)
#  define CRYPTO_THREADID_cmp(a, b)                     (-1)
#  define CRYPTO_THREADID_cpy(dest, src)
#  define CRYPTO_THREADID_hash(id)                      (0UL)

#  if OPENSSL_API_COMPAT < 0x10000000L
#   define CRYPTO_set_id_callback(func)
#   define CRYPTO_get_id_callback()                     (NULL)
#   define CRYPTO_thread_id()                           (0UL)
#  endif /* OPENSSL_API_COMPAT < 0x10000000L */

#  define CRYPTO_set_dynlock_create_callback(dyn_create_function)
#  define CRYPTO_set_dynlock_lock_callback(dyn_lock_function)
#  define CRYPTO_set_dynlock_destroy_callback(dyn_destroy_function)
#  define CRYPTO_get_dynlock_create_callback()          (NULL)
#  define CRYPTO_get_dynlock_lock_callback()            (NULL)
#  define CRYPTO_get_dynlock_destroy_callback()         (NULL)
# endif /* OPENSSL_API_COMPAT < 0x10100000L */

int CRYPTO_set_mem_functions(
        void *(*m) (size_t, const char *, int),
        void *(*r) (void *, size_t, const char *, int),
        void (*f) (void *, const char *, int));
int CRYPTO_set_mem_debug(int flag);
void CRYPTO_get_mem_functions(
        void *(**m) (size_t, const char *, int),
        void *(**r) (void *, size_t, const char *, int),
        void (**f) (void *, const char *, int));

void *CRYPTO_malloc(size_t num, const char *file, int line);
void *CRYPTO_zalloc(size_t num, const char *file, int line);
void *CRYPTO_memdup(const void *str, size_t siz, const char *file, int line);
char *CRYPTO_strdup(const char *str, const char *file, int line);
char *CRYPTO_strndup(const char *str, size_t s, const char *file, int line);
void CRYPTO_free(void *ptr, const char *file, int line);
void CRYPTO_clear_free(void *ptr, size_t num, const char *file, int line);
void *CRYPTO_realloc(void *addr, size_t num, const char *file, int line);
void *CRYPTO_clear_realloc(void *addr, size_t old_num, size_t num,
                           const char *file, int line);

int CRYPTO_secure_malloc_init(size_t sz, int minsize);
int CRYPTO_secure_malloc_done(void);
void *CRYPTO_secure_malloc(size_t num, const char *file, int line);
void *CRYPTO_secure_zalloc(size_t num, const char *file, int line);
void CRYPTO_secure_free(void *ptr, const char *file, int line);
int CRYPTO_secure_allocated(const void *ptr);
int CRYPTO_secure_malloc_initialized(void);
size_t CRYPTO_secure_actual_size(void *ptr);
size_t CRYPTO_secure_used(void);

void OPENSSL_cleanse(void *ptr, size_t len);

# ifndef OPENSSL_NO_CRYPTO_MDEBUG
#  define OPENSSL_mem_debug_push(info) \
        CRYPTO_mem_debug_push(info, OPENSSL_FILE, OPENSSL_LINE)
#  define OPENSSL_mem_debug_pop() \
        CRYPTO_mem_debug_pop()
int CRYPTO_mem_debug_push(const char *info, const char *file, int line);
int CRYPTO_mem_debug_pop(void);

/*-
 * Debugging functions (enabled by CRYPTO_set_mem_debug(1))
 * The flag argument has the following significance:
 *   0:   called before the actual memory allocation has taken place
 *   1:   called after the actual memory allocation has taken place
 */
void CRYPTO_mem_debug_malloc(void *addr, size_t num, int flag,
        const char *file, int line);
void CRYPTO_mem_debug_realloc(void *addr1, void *addr2, size_t num, int flag,
        const char *file, int line);
void CRYPTO_mem_debug_free(void *addr, int flag,
        const char *file, int line);

#  ifndef OPENSSL_NO_STDIO
int CRYPTO_mem_leaks_fp(FILE *);
#  endif
int CRYPTO_mem_leaks(BIO *bio);
# endif

/* die if we have to */
ossl_noreturn void OPENSSL_die(const char *assertion, const char *file, int line);
# if OPENSSL_API_COMPAT < 0x10100000L
#  define OpenSSLDie(f,l,a) OPENSSL_die((a),(f),(l))
# endif
# define OPENSSL_assert(e) \
    (void)((e) ? 0 : (OPENSSL_die("assertion failed: " #e, OPENSSL_FILE, OPENSSL_LINE), 1))

int OPENSSL_isservice(void);

int FIPS_mode(void);
int FIPS_mode_set(int r);

void OPENSSL_init(void);

struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result);
int OPENSSL_gmtime_adj(struct tm *tm, int offset_day, long offset_sec);
int OPENSSL_gmtime_diff(int *pday, int *psec,
                        const struct tm *from, const struct tm *to);

/*
 * CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal.
 * It takes an amount of time dependent on |len|, but independent of the
 * contents of |a| and |b|. Unlike memcmp, it cannot be used to put elements
 * into a defined order as the return value when a != b is undefined, other
 * than to be non-zero.
 */
int CRYPTO_memcmp(const volatile void * volatile in_a,
                  const volatile void * volatile in_b,
                  size_t len);

/* Standard initialisation options */
# define OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS 0x00000001L
# define OPENSSL_INIT_LOAD_CRYPTO_STRINGS    0x00000002L
# define OPENSSL_INIT_ADD_ALL_CIPHERS        0x00000004L
# define OPENSSL_INIT_ADD_ALL_DIGESTS        0x00000008L
# define OPENSSL_INIT_NO_ADD_ALL_CIPHERS     0x00000010L
# define OPENSSL_INIT_NO_ADD_ALL_DIGESTS     0x00000020L
# define OPENSSL_INIT_LOAD_CONFIG            0x00000040L
# define OPENSSL_INIT_NO_LOAD_CONFIG         0x00000080L
# define OPENSSL_INIT_ASYNC                  0x00000100L
# define OPENSSL_INIT_ENGINE_RDRAND          0x00000200L
# define OPENSSL_INIT_ENGINE_DYNAMIC         0x00000400L
# define OPENSSL_INIT_ENGINE_OPENSSL         0x00000800L
# define OPENSSL_INIT_ENGINE_CRYPTODEV       0x00001000L
# define OPENSSL_INIT_ENGINE_CAPI            0x00002000L
# define OPENSSL_INIT_ENGINE_PADLOCK         0x00004000L
# define OPENSSL_INIT_ENGINE_AFALG           0x00008000L
/* OPENSSL_INIT flag 0x00010000 reserved for internal use */
/* OPENSSL_INIT flag range 0xfff00000 reserved for OPENSSL_init_ssl() */
/* Max OPENSSL_INIT flag value is 0x80000000 */

/* openssl and dasync not counted as builtin */
# define OPENSSL_INIT_ENGINE_ALL_BUILTIN \
    (OPENSSL_INIT_ENGINE_RDRAND | OPENSSL_INIT_ENGINE_DYNAMIC \
    | OPENSSL_INIT_ENGINE_CRYPTODEV | OPENSSL_INIT_ENGINE_CAPI | \
    OPENSSL_INIT_ENGINE_PADLOCK)

/* Library initialisation functions */
void OPENSSL_cleanup(void);
int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
int OPENSSL_atexit(void (*handler)(void));
void OPENSSL_thread_stop(void);

/* Low-level control of initialization */
OPENSSL_INIT_SETTINGS *OPENSSL_INIT_new(void);
# ifndef OPENSSL_NO_STDIO
int OPENSSL_INIT_set_config_appname(OPENSSL_INIT_SETTINGS *settings,
                                    const char *config_file);
# endif
void OPENSSL_INIT_free(OPENSSL_INIT_SETTINGS *settings);

# if defined(OPENSSL_THREADS) && !defined(CRYPTO_TDEBUG)
#  if defined(_WIN32)
#   if defined(BASETYPES) || defined(_WINDEF_H)
/* application has to include <windows.h> in order to use this */
typedef DWORD CRYPTO_THREAD_LOCAL;
typedef DWORD CRYPTO_THREAD_ID;

typedef LONG CRYPTO_ONCE;
#    define CRYPTO_ONCE_STATIC_INIT 0
#   endif
#  else
#   include <pthread.h>
typedef pthread_once_t CRYPTO_ONCE;
typedef pthread_key_t CRYPTO_THREAD_LOCAL;
typedef pthread_t CRYPTO_THREAD_ID;

#   define CRYPTO_ONCE_STATIC_INIT PTHREAD_ONCE_INIT
#  endif
# endif

# if !defined(CRYPTO_ONCE_STATIC_INIT)
typedef unsigned int CRYPTO_ONCE;
typedef unsigned int CRYPTO_THREAD_LOCAL;
typedef unsigned int CRYPTO_THREAD_ID;
#  define CRYPTO_ONCE_STATIC_INIT 0
# endif

int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void));

int CRYPTO_THREAD_init_local(CRYPTO_THREAD_LOCAL *key, void (*cleanup)(void *));
void *CRYPTO_THREAD_get_local(CRYPTO_THREAD_LOCAL *key);
int CRYPTO_THREAD_set_local(CRYPTO_THREAD_LOCAL *key, void *val);
int CRYPTO_THREAD_cleanup_local(CRYPTO_THREAD_LOCAL *key);

CRYPTO_THREAD_ID CRYPTO_THREAD_get_current_id(void);
int CRYPTO_THREAD_compare_id(CRYPTO_THREAD_ID a, CRYPTO_THREAD_ID b);

/* BEGIN ERROR CODES */
/*
 * The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */

int ERR_load_CRYPTO_strings(void);

/* Error codes for the CRYPTO functions. */

/* Function codes. */
# define CRYPTO_F_CRYPTO_DUP_EX_DATA                      110
# define CRYPTO_F_CRYPTO_FREE_EX_DATA                     111
# define CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX                 100
# define CRYPTO_F_CRYPTO_MEMDUP                           115
# define CRYPTO_F_CRYPTO_NEW_EX_DATA                      112
# define CRYPTO_F_CRYPTO_SET_EX_DATA                      102
# define CRYPTO_F_FIPS_MODE_SET                           109
# define CRYPTO_F_GET_AND_LOCK                            113
# define CRYPTO_F_OPENSSL_BUF2HEXSTR                      117
# define CRYPTO_F_OPENSSL_HEXSTR2BUF                      118
# define CRYPTO_F_OPENSSL_INIT_CRYPTO                     116

/* Reason codes. */
# define CRYPTO_R_FIPS_MODE_NOT_SUPPORTED                 101
# define CRYPTO_R_ILLEGAL_HEX_DIGIT                       102
# define CRYPTO_R_ODD_NUMBER_OF_DIGITS                    103

# ifdef  __cplusplus
}
# endif
#endif