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authorjsing <jsing@openbsd.org>2019-04-14 17:16:57 +0000
committerjsing <jsing@openbsd.org>2019-04-14 17:16:57 +0000
commitf7bc55d5894c2aca2db39b30f0dc128574ecb34b (patch)
treef5d62220d72a8f82573b7ac61be6e60cb155ca00 /lib/libcrypto/evp/evp_enc.c
parentAnnotate a future improvement. (diff)
downloadwireguard-openbsd-f7bc55d5894c2aca2db39b30f0dc128574ecb34b.tar.xz
wireguard-openbsd-f7bc55d5894c2aca2db39b30f0dc128574ecb34b.zip
Use calloc() when allocating cipher_data.
Avoids use of uninitialised memory. ok tb@
Diffstat (limited to 'lib/libcrypto/evp/evp_enc.c')
-rw-r--r--lib/libcrypto/evp/evp_enc.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/libcrypto/evp/evp_enc.c b/lib/libcrypto/evp/evp_enc.c
index 71ed70a2158..bb49e28267a 100644
--- a/lib/libcrypto/evp/evp_enc.c
+++ b/lib/libcrypto/evp/evp_enc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: evp_enc.c,v 1.42 2019/04/14 16:46:26 jsing Exp $ */
+/* $OpenBSD: evp_enc.c,v 1.43 2019/04/14 17:16:57 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@@ -144,8 +144,8 @@ EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, ENGINE *impl,
ctx->cipher = cipher;
if (ctx->cipher->ctx_size) {
- ctx->cipher_data = malloc(ctx->cipher->ctx_size);
- if (!ctx->cipher_data) {
+ ctx->cipher_data = calloc(1, ctx->cipher->ctx_size);
+ if (ctx->cipher_data == NULL) {
EVPerror(ERR_R_MALLOC_FAILURE);
return 0;
}
@@ -667,8 +667,8 @@ EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in)
memcpy(out, in, sizeof *out);
if (in->cipher_data && in->cipher->ctx_size) {
- out->cipher_data = malloc(in->cipher->ctx_size);
- if (!out->cipher_data) {
+ out->cipher_data = calloc(1, in->cipher->ctx_size);
+ if (out->cipher_data == NULL) {
EVPerror(ERR_R_MALLOC_FAILURE);
return 0;
}