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Diffstat (limited to 'lib/libcrypto/evp/digest.c')
-rw-r--r--lib/libcrypto/evp/digest.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/lib/libcrypto/evp/digest.c b/lib/libcrypto/evp/digest.c
index ee1f955959c..7471c1e8225 100644
--- a/lib/libcrypto/evp/digest.c
+++ b/lib/libcrypto/evp/digest.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: digest.c,v 1.27 2017/01/29 17:49:23 beck Exp $ */
+/* $OpenBSD: digest.c,v 1.28 2017/05/02 03:59:44 deraadt Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@@ -193,8 +193,7 @@ EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl)
if (ctx->digest != type) {
if (ctx->digest && ctx->digest->ctx_size && ctx->md_data &&
!EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_REUSE)) {
- explicit_bzero(ctx->md_data, ctx->digest->ctx_size);
- free(ctx->md_data);
+ freezero(ctx->md_data, ctx->digest->ctx_size);
ctx->md_data = NULL;
}
ctx->digest = type;
@@ -360,10 +359,8 @@ EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx)
!EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_CLEANED))
ctx->digest->cleanup(ctx);
if (ctx->digest && ctx->digest->ctx_size && ctx->md_data &&
- !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_REUSE)) {
- explicit_bzero(ctx->md_data, ctx->digest->ctx_size);
- free(ctx->md_data);
- }
+ !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_REUSE))
+ freezero(ctx->md_data, ctx->digest->ctx_size);
EVP_PKEY_CTX_free(ctx->pctx);
#ifndef OPENSSL_NO_ENGINE
if (ctx->engine)