From: lan1120 <lanming@huawei.com>
Date: Mon, 22 May 2023 12:37:59 +0000 (+0800)
Subject: Fix incorrect parameter verification in EVP_MD_CTX_get_params
X-Git-Tag: openssl-3.1.1~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=321d6cd7f428d1c20b88dec8233eac8afe727577;p=thirdparty%2Fopenssl.git

Fix incorrect parameter verification in EVP_MD_CTX_get_params

Signed-off-by: lan1120 <lanming@huawei.com>

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21022)

(cherry picked from commit b501df3cefebcdaaeb7d6480b7a7b82d68927873)
---

diff --git a/crypto/evp/digest.c b/crypto/evp/digest.c
index 8c30089f65f..28efbddb473 100644
--- a/crypto/evp/digest.c
+++ b/crypto/evp/digest.c
@@ -786,7 +786,7 @@ int EVP_MD_CTX_get_params(EVP_MD_CTX *ctx, OSSL_PARAM params[])
         return pctx->op.sig.signature->get_ctx_md_params(pctx->op.sig.algctx,
                                                          params);
 
-    if (ctx->digest != NULL && ctx->digest->get_params != NULL)
+    if (ctx->digest != NULL && ctx->digest->get_ctx_params != NULL)
         return ctx->digest->get_ctx_params(ctx->algctx, params);
 
     return 0;