diff options
Diffstat (limited to 'providers/implementations/signature/rsa_sig.c')
-rw-r--r-- | providers/implementations/signature/rsa_sig.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/providers/implementations/signature/rsa_sig.c b/providers/implementations/signature/rsa_sig.c index 7023a866131e..76516d9a0987 100644 --- a/providers/implementations/signature/rsa_sig.c +++ b/providers/implementations/signature/rsa_sig.c @@ -1,5 +1,5 @@ /* - * Copyright 2019-2022 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 2019-2023 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy @@ -823,14 +823,17 @@ static int rsa_verify(void *vprsactx, const unsigned char *sig, size_t siglen, return 0; } } else { + int ret; + if (!setup_tbuf(prsactx)) return 0; - rslen = RSA_public_decrypt(siglen, sig, prsactx->tbuf, prsactx->rsa, - prsactx->pad_mode); - if (rslen == 0) { + ret = RSA_public_decrypt(siglen, sig, prsactx->tbuf, prsactx->rsa, + prsactx->pad_mode); + if (ret <= 0) { ERR_raise(ERR_LIB_PROV, ERR_R_RSA_LIB); return 0; } + rslen = (size_t)ret; } if ((rslen != tbslen) || memcmp(tbs, prsactx->tbuf, rslen)) |