diff options
| -rw-r--r-- | crypto/evp/legacy_sha.c | 6 |
1 files changed, 5 insertions, 1 deletions
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: |