diff options
Diffstat (limited to 'ssl/statem/statem_clnt.c')
| -rw-r--r-- | ssl/statem/statem_clnt.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/ssl/statem/statem_clnt.c b/ssl/statem/statem_clnt.c index 2358e2c616..e5a255d75d 100644 --- a/ssl/statem/statem_clnt.c +++ b/ssl/statem/statem_clnt.c @@ -2071,7 +2071,13 @@ static int tls_process_ske_dhe(SSL *s, PACKET *pkt, EVP_PKEY **pkey) EVP_PKEY_CTX_free(pctx); pctx = EVP_PKEY_CTX_new_from_pkey(s->ctx->libctx, peer_tmp, s->ctx->propq); if (pctx == NULL - || EVP_PKEY_param_check(pctx) != 1 + /* + * EVP_PKEY_param_check() will verify that the DH params are using + * a safe prime. In this context, because we're using ephemeral DH, + * we're ok with it not being a safe prime. + * EVP_PKEY_param_check_quick() skips the safe prime check. + */ + || EVP_PKEY_param_check_quick(pctx) != 1 || EVP_PKEY_public_check(pctx) != 1) { SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_DH_VALUE); goto err; |