Jussi Kivilinna de4b8f88a2 libgcrypt: Implement chacha20-poly1305@openssh.com cipher using libgcrypt ...

Libgcrypt has supported ChaCha20 and Poly1305 since 1.7.0 version and
provides fast assembler implementations.

v3:
 - initialize pointers to NULL
 - use 'bool' for chacha20_poly1305_keysched.initialized
 - pass error codes from libgcrypt calls to variable
 - add SSH_LOG on error paths
v2:
 - use braces for one-line blocks
 - use UNUSED_PARAM/UNUSED_VAR instead of cast to void
 - use calloc instead of malloc+memset

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>

2019-12-16 22:31:54 +02:00

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