From 410c80dc7bf2085167553ab9fa517189eed2b3a6 Mon Sep 17 00:00:00 2001 From: "Dr. David von Oheimb" Date: Fri, 13 Oct 2023 22:27:31 +0200 Subject: EVP shake_ctrl(): add missing NULL evp_ctx check Reviewed-by: Viktor Dukhovni Reviewed-by: Tomas Mraz (Merged from https://github.com/openssl/openssl/pull/22390) --- crypto/evp/legacy_sha.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'crypto/evp') diff --git a/crypto/evp/legacy_sha.c b/crypto/evp/legacy_sha.c index 3859286eeb..0c2afc2900 100644 --- a/crypto/evp/legacy_sha.c +++ b/crypto/evp/legacy_sha.c @@ -71,7 +71,11 @@ static int sha1_int_ctrl(EVP_MD_CTX *ctx, int cmd, int p1, void *p2) static int shake_ctrl(EVP_MD_CTX *evp_ctx, int cmd, int p1, void *p2) { - KECCAK1600_CTX *ctx = evp_ctx->md_data; + KECCAK1600_CTX *ctx; + + if (evp_ctx == NULL) + return 0; + ctx = evp_ctx->md_data; switch (cmd) { case EVP_MD_CTRL_XOF_LEN: -- cgit v1.2.3