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Add v5 signature salt.

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Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2022-04-12 15:40:19 +09:00
parent 412c8fcdfd
commit 4d8decc23c
2 changed files with 17 additions and 0 deletions
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1
g10/packet.h
View File

@ -264,6 +264,7 @@ typedef struct
/* First 2 bytes of the digest. (Serialized. Note: this is not
automatically filled in when serializing a signature!) */
byte digest_start[2];
byte v5_salt[16];
/* The signature. (Serialized.) */
gcry_mpi_t data[PUBKEY_MAX_NSIG];
/* The message digest and its length (in bytes). Note the maximum

16
g10/parse-packet.c
View File

@ -2273,6 +2273,22 @@ parse_signature (IOBUF inp, int pkttype, unsigned long pktlen,
sig->digest_start[1] = iobuf_get_noeof (inp);
pktlen--;
if (sig->version == 5)
{
if (pktlen < 16)
goto underflow;
if (iobuf_read (inp, sig->v5_salt, 16) != 16)
{
log_error ("premature eof while reading "
"salt\n");
if (list_mode)
es_fputs (":signature packet: [premature eof]\n", listfp);
rc = -1;
goto leave;
}
pktlen -= 16;
}
if (is_v4or5 && sig->pubkey_algo) /* Extract required information. */
{
const byte *p;