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EVP shake_ctrl(): add missing NULL evp_ctx check 

Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22390)

(cherry picked from commit 410c80dc7b)
This commit is contained in:
Dr. David von Oheimb 2023-10-13 22:27:31 +02:00
parent 27efcd4f34
commit 679ca85244
1 changed files with 5 additions and 1 deletions
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6
crypto/evp/legacy_sha.c
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@ -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: