pkey_hmac_init(): use calloc()

Instead of using malloc() and setting most struct members to 0,
simply use calloc().

ok bcook jsing

diff --git a/lib/libcrypto/hmac/hm_pmeth.c b/lib/libcrypto/hmac/hm_pmeth.c
index 8964c64..676305f 100644 (file)
--- a/lib/libcrypto/hmac/hm_pmeth.c
+++ b/lib/libcrypto/hmac/hm_pmeth.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: hm_pmeth.c,v 1.11 2021/12/12 21:27:38 tb Exp $ */
+/* $OpenBSD: hm_pmeth.c,v 1.12 2022/03/30 07:12:30 tb Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2007.
  */
@@ -80,13 +80,9 @@ pkey_hmac_init(EVP_PKEY_CTX *ctx)
 {
        HMAC_PKEY_CTX *hctx;
 
-       hctx = malloc(sizeof(HMAC_PKEY_CTX));
-       if (!hctx)
+       if ((hctx = calloc(1, sizeof(HMAC_PKEY_CTX))) == NULL)
                return 0;
-       hctx->md = NULL;
-       hctx->ktmp.data = NULL;
-       hctx->ktmp.length = 0;
-       hctx->ktmp.flags = 0;
+
        hctx->ktmp.type = V_ASN1_OCTET_STRING;
        HMAC_CTX_init(&hctx->ctx);