Are all homomorphic encryption schemes not CCA secure?
114628
Can a homomorphic encryption scheme be made CCA2 Secure?
29867
Using the same secret key for encryption and authentication in a Encrypt-then-MAC scheme
31386
Is it safe to ignore the possibility of SHA collisions in practice?
84399
Why is plain-hash-then-encrypt not a secure MAC?
118369
Why is HMAC-SHA1 still considered secure?
64578
How can an encryption scheme be indistinguishable with multiple messages but vulnerable to an adaptive chosen-plaintext attack?
68819
Timing attacks against RSA, DH and AES
90648
Why is asymmetric cryptography bad for huge data?
143503
Do these new insights into prime numbers affect encryption security?
40158
Why is $H(k\mathbin\Vert x)$ not a secure MAC construction?
133269
Symmetric encryption construction (meet-in-the-middle attack)
45556
Is there a cryptographic algorithm which is immune to side channel attacks?
15207
Can insecure algorithms be combined to form a secure algorithm?
97347
Should HMAC-SHA3 be preferred over H(C(k,M))?
84835
Can a computationally unbounded adversary break any public-key encryption scheme?
40774
Is one time pad cipher reuse and random key secure?
135486
Can Fully Homomorphic Encryption do comparisons?