Remove a useless EVP_MD_CTX_init() call

The hash was just created with EVP_MD_CTX_new(), so we memset a calloced
piece of memory to 0.

diff --git a/lib/libcrypto/sm2/sm2_crypt.c b/lib/libcrypto/sm2/sm2_crypt.c
index b51161d..63fe1e6 100644 (file)
--- a/lib/libcrypto/sm2/sm2_crypt.c
+++ b/lib/libcrypto/sm2/sm2_crypt.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: sm2_crypt.c,v 1.2 2022/11/26 16:08:54 tb Exp $ */
+/*     $OpenBSD: sm2_crypt.c,v 1.3 2024/02/09 07:43:52 tb Exp $ */
 /*
  * Copyright (c) 2017, 2019 Ribose Inc
  *
@@ -203,7 +203,6 @@ sm2_kdf(uint8_t *key, size_t key_len, uint8_t *secret, size_t secret_len,
                goto err;
        }
 
-       EVP_MD_CTX_init(hash);
        while ((key_len > 0) && (ctr != 0)) {
                if (!EVP_DigestInit_ex(hash, digest, NULL)) {
                        SM2error(ERR_R_EVP_LIB);