The intention is that this releases memory allocated by the crypto
library, for functions like bignum_bn2hex() and bignum_bn2dec().
Consequently, ssh_gcry_bn2dec and ssh_mbedcry_bn2num should use
gcry_malloc() and mbedtls_calloc() respectively to allocate
memory since it will/should be released by ssh_crypto_free() so
that the internal APIs are consistent between crypto libraries.
Signed-off-by: Simon Josefsson <simon@josefsson.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
To make sure c++ name mangling works correctly c code should be noted "extern"
Signed-off-by: Norbert Pocs <npocs@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
The macro is defined for each crypto back end. If (*dest) is NULL, a
new bignum is allocated. Otherwise the value of orig is copied to
(*dest).
Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
In preparation for deferring computation on DH secret material to
crypto library specific backends
Signed-off-by: Simo Sorce <simo@redhat.com>
Reviewed-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Ensure most of the abstraction around the 3 libs are consistent.
Signed-off-by: Aris Adamantiadis <aris@0xbadc0de.be>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
* include/libssh/libgcrypt.h (EVPCTX): Fix type.
(NID_gcrypt_nistp{256,384,521}): New constants.
* src/libgcrypt.c (nid_to_md_algo): New function mapping curves to
digest algorithms.
(evp{,_init,_update,_final}): New functions.
Signed-off-by: Justus Winter <justus@g10code.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Having "ssh_" prefix in the functions' name will avoid possible clashes
when compiling libssh statically.
Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
