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Code Activity

packet_crypt: Check return values from AEAD deciphering

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Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Jakub Jelen
2020-01-14 16:49:28 +01:00
parent 6644f8ca3b
commit e31e7b0406
1 changed files with 4 additions and 4 deletions
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8
src/packet_crypt.c
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@@ -60,7 +60,7 @@ uint32_t ssh_packet_decrypt_len(ssh_session session,
crypto = ssh_packet_get_current_crypto(session, SSH_DIRECTION_IN); crypto = ssh_packet_get_current_crypto(session, SSH_DIRECTION_IN);
if (crypto != NULL) { if (crypto != NULL) {
if (crypto->in_cipher->aead_decrypt_length != NULL) { if (crypto->in_cipher->aead_decrypt_length != NULL) {
crypto->in_cipher->aead_decrypt_length( rc = crypto->in_cipher->aead_decrypt_length(
crypto->in_cipher, source, destination, crypto->in_cipher, source, destination,
crypto->in_cipher->lenfield_blocksize, crypto->in_cipher->lenfield_blocksize,
session->recv_seq); session->recv_seq);
@@ -71,9 +71,9 @@ uint32_t ssh_packet_decrypt_len(ssh_session session,
source, source,
0, 0,
crypto->in_cipher->blocksize); crypto->in_cipher->blocksize);
if (rc < 0) { }
return 0; if (rc < 0) {
} return 0;
} }
} else { } else {
memcpy(destination, source, 8); memcpy(destination, source, 8);