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new release

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This commit is contained in:
Werner Koch 1998-05-04 18:49:26 +00:00
parent 2cd12c5c8f
commit 42b03f6ebd
38 changed files with 341 additions and 254 deletions
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16
g10/sig-check.c
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@ -63,14 +63,16 @@ do_check( PKT_public_cert *pkc, PKT_signature *sig, MD_HANDLE digest )
MPI result = NULL;
int rc=0;
if( pkc->version == 4 && pkc->pubkey_algo == PUBKEY_ALGO_ELGAMAL )
log_info("WARNING: This is probably a PGP generated "
if( pkc->version == 4 && pkc->pubkey_algo == PUBKEY_ALGO_ELGAMAL_E ) {
log_info("this is a PGP generated "
"ElGamal key which is NOT secure for signatures!\n");
return G10ERR_PUBKEY_ALGO;
}
if( pkc->timestamp > sig->timestamp )
return G10ERR_TIME_CONFLICT; /* pubkey newer that signature */
if( pkc->pubkey_algo == PUBKEY_ALGO_ELGAMAL ) {
if( is_ELGAMAL(pkc->pubkey_algo) ) {
if( (rc=check_digest_algo(sig->digest_algo)) )
goto leave;
/* make sure the digest algo is enabled (in case of a detached
@ -85,7 +87,10 @@ do_check( PKT_public_cert *pkc, PKT_signature *sig, MD_HANDLE digest )
md_putc( digest, a & 0xff );
}
md_final( digest );
result = encode_md_value( digest, mpi_get_nbits(pkc->d.elg.p));
result = encode_md_value( digest, sig->digest_algo,
mpi_get_nbits(pkc->d.elg.p));
if( DBG_CIPHER )
log_mpidump("calc sig frame (elg): ", result);
if( !elg_verify( sig->d.elg.a, sig->d.elg.b, result, &pkc->d.elg ) )
rc = G10ERR_BAD_SIGN;
}
@ -139,7 +144,8 @@ do_check( PKT_public_cert *pkc, PKT_signature *sig, MD_HANDLE digest )
rc = G10ERR_BAD_SIGN;
}
#ifdef HAVE_RSA_CIPHER
else if( pkc->pubkey_algo == PUBKEY_ALGO_RSA ) {
else if( pkc->pubkey_algo == PUBKEY_ALGO_RSA
|| pkc->pubkey_algo == PUBKEY_ALGO_RSA_S ) {
int i, j, c, old_enc;
byte *dp;
const byte *asn;