From 876cc9239dba6f91a46702a5383e6c30e5dbebc9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Martin=20Kin=C4=8Dl?= Date: Fri, 5 Mar 2021 23:16:50 +0100 Subject: [PATCH] Fixed CID 576574. --- wolfcrypt/src/evp.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/wolfcrypt/src/evp.c b/wolfcrypt/src/evp.c index 8f4471e80..930be71c3 100644 --- a/wolfcrypt/src/evp.c +++ b/wolfcrypt/src/evp.c @@ -2608,7 +2608,11 @@ int wolfSSL_EVP_DigestSignFinal(WOLFSSL_EVP_MD_CTX *ctx, unsigned char *sig, #if !defined(NO_RSA) && !defined(HAVE_USER_RSA) case EVP_PKEY_RSA: { unsigned int sigSz; - int nid = wolfSSL_EVP_MD_type(wolfSSL_EVP_MD_CTX_md(ctx)); + int nid; + const WOLFSSL_EVP_MD *md = wolfSSL_EVP_MD_CTX_md(ctx); + if (md == NULL) + break; + nid = wolfSSL_EVP_MD_type(md); if (nid < 0) break; ret = wolfSSL_RSA_sign_generic_padding(nid, digest, hashLen,