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sm: Exclude rsaPSS from de-vs compliance mode.

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* common/compliance.h (PK_ALGO_FLAG_RSAPSS): New.
* common/compliance.c (gnupg_pk_is_compliant): Add arg alog_flags and
test rsaPSS.  Adjust all callers.
(gnupg_pk_is_allowed): Ditto.
* sm/misc.c (gpgsm_ksba_cms_get_sig_val): New wrapper function.
(gpgsm_get_hash_algo_from_sigval): New.
* sm/certcheck.c (gpgsm_check_cms_signature): Change type of sigval
arg.  Add arg pkalgoflags.  Use the PK_ALGO_FLAG_RSAPSS.
* sm/verify.c (gpgsm_verify): Use the new wrapper and new fucntion to
also get the algo flags.  Pass algo flags along.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2020-07-03 15:47:55 +02:00
parent c1663c690b
commit 969abcf40c
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
16 changed files with 175 additions and 89 deletions
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8
g10/mainproc.c
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@ -702,8 +702,8 @@ proc_encrypted (CTX c, PACKET *pkt)
memset (pk, 0, sizeof *pk);
pk->pubkey_algo = i->pubkey_algo;
if (get_pubkey (c->ctrl, pk, i->keyid) != 0
|| ! gnupg_pk_is_compliant (CO_DE_VS, pk->pubkey_algo, pk->pkey,
nbits_from_pk (pk), NULL))
|| ! gnupg_pk_is_compliant (CO_DE_VS, pk->pubkey_algo, 0,
pk->pkey, nbits_from_pk (pk), NULL))
compliant = 0;
release_public_key_parts (pk);
}
@ -2449,7 +2449,7 @@ check_sig_and_print (CTX c, kbnode_t node)
/* Print compliance warning for Good signatures. */
if (!rc && pk && !opt.quiet
&& !gnupg_pk_is_compliant (opt.compliance, pk->pubkey_algo,
&& !gnupg_pk_is_compliant (opt.compliance, pk->pubkey_algo, 0,
pk->pkey, nbits_from_pk (pk), NULL))
{
log_info (_("WARNING: This key is not suitable for signing"
@ -2534,7 +2534,7 @@ check_sig_and_print (CTX c, kbnode_t node)
/* Compute compliance with CO_DE_VS. */
if (pk && is_status_enabled ()
&& gnupg_pk_is_compliant (CO_DE_VS, pk->pubkey_algo, pk->pkey,
&& gnupg_pk_is_compliant (CO_DE_VS, pk->pubkey_algo, 0, pk->pkey,
nbits_from_pk (pk), NULL)
&& gnupg_digest_is_compliant (CO_DE_VS, sig->digest_algo))
write_status_strings (STATUS_VERIFICATION_COMPLIANCE_MODE,