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packet_crypt: Avoid out of bounds access in debug functions

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Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
This commit is contained in:
Jakub Jelen
2019-10-02 16:35:13 +02:00
parent 17952c4953
commit 5a0177def0
1 changed files with 2 additions and 2 deletions
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4
src/packet_crypt.c
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@@ -196,9 +196,9 @@ unsigned char *ssh_packet_encrypt(ssh_session session, void *data, uint32_t len)
hmac_final(ctx, crypto->hmacbuf, &finallen);
}
#ifdef DEBUG_CRYPTO
ssh_log_hexdump("mac: ",data,hmac_digest_len(type));
ssh_log_hexdump("mac: ", data, len);
if (finallen != hmac_digest_len(type)) {
printf("Final len is %d\n",finallen);
printf("Final len is %d\n", finallen);
}
ssh_log_hexdump("Packet hmac", crypto->hmacbuf, hmac_digest_len(type));
#endif