diff options
Diffstat (limited to 'ssl/t1_lib.c')
| -rw-r--r-- | ssl/t1_lib.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/ssl/t1_lib.c b/ssl/t1_lib.c index 156497988a62..fc41ed90e710 100644 --- a/ssl/t1_lib.c +++ b/ssl/t1_lib.c @@ -343,6 +343,10 @@ int tls1_set_groups(uint16_t **pext, size_t *pextlen, */ unsigned long dup_list = 0; + if (ngroups == 0) { + SSLerr(SSL_F_TLS1_SET_GROUPS, SSL_R_BAD_LENGTH); + return 0; + } if ((glist = OPENSSL_malloc(ngroups * sizeof(*glist))) == NULL) { SSLerr(SSL_F_TLS1_SET_GROUPS, ERR_R_MALLOC_FAILURE); return 0; @@ -945,6 +949,39 @@ size_t tls12_get_psigalgs(SSL *s, int sent, const uint16_t **psigs) } } +#ifndef OPENSSL_NO_EC +/* + * Called by servers only. Checks that we have a sig alg that supports the + * specified EC curve. + */ +int tls_check_sigalg_curve(const SSL *s, int curve) +{ + const uint16_t *sigs; + size_t siglen, i; + + if (s->cert->conf_sigalgs) { + sigs = s->cert->conf_sigalgs; + siglen = s->cert->conf_sigalgslen; + } else { + sigs = tls12_sigalgs; + siglen = OSSL_NELEM(tls12_sigalgs); + } + + for (i = 0; i < siglen; i++) { + const SIGALG_LOOKUP *lu = tls1_lookup_sigalg(sigs[i]); + + if (lu == NULL) + continue; + if (lu->sig == EVP_PKEY_EC + && lu->curve != NID_undef + && curve == lu->curve) + return 1; + } + + return 0; +} +#endif + /* * Check signature algorithm is consistent with sent supported signature * algorithms and if so set relevant digest and signature scheme in @@ -1087,6 +1124,14 @@ int SSL_get_peer_signature_type_nid(const SSL *s, int *pnid) return 1; } +int SSL_get_signature_type_nid(const SSL *s, int *pnid) +{ + if (s->s3->tmp.sigalg == NULL) + return 0; + *pnid = s->s3->tmp.sigalg->sig; + return 1; +} + /* * Set a mask of disabled algorithms: an algorithm is disabled if it isn't * supported, doesn't appear in supported signature algorithms, isn't supported |