pki_gcrypt: Add cert auth support to pki_publickey_to_blob()
pki_gcrypt: Add cert auth support to pki_publickey_to_blob()

Signed-off-by: Axel Eppe <8691fc6e1a5395f7c99214add577e673af9b8d1a@google.com>
Reviewed-by: Andreas Schneider <5be00ddc76278cf6077f5047ca3384a88460c671@cryptomilk.org>

kedazo/libssh,kedazo/libssh,kedazo/libssh,kedazo/libssh