From: Viktor Szakats <commit@vsz.me>
Date: Mon, 29 Jun 2026 14:12:10 +0000 (+0200)
Subject: mbedtls: replace `memset()` with `psa_hash_operation_init()`
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=5b10939ef77a3ab7941eefb4a1e2d03cf0d74121;p=thirdparty%2Fcurl.git

mbedtls: replace `memset()` with `psa_hash_operation_init()`

To initialize hash contexts.

Ref: https://arm-software.github.io/psa-api/crypto/1.1/api/ops/hashes.html#c.psa_hash_operation_init
Follow-up to 3a305831d1a9d10b2bfd4fa3939ed41275fee7f7 #19077

Closes #22220
---

diff --git a/lib/md5.c b/lib/md5.c
index 1f1b4f8ad6..9f995c7393 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -128,8 +128,9 @@ typedef psa_hash_operation_t my_md5_ctx;
 
 static CURLcode my_md5_init(void *ctx)
 {
-  memset(ctx, 0, sizeof(my_md5_ctx));
-  if(psa_hash_setup(ctx, PSA_ALG_MD5) != PSA_SUCCESS)
+  psa_hash_operation_t *pctx = (psa_hash_operation_t *)ctx;
+  *pctx = psa_hash_operation_init();
+  if(psa_hash_setup(pctx, PSA_ALG_MD5) != PSA_SUCCESS)
     return CURLE_OUT_OF_MEMORY;
   return CURLE_OK;
 }
diff --git a/lib/sha256.c b/lib/sha256.c
index 38c9b9bc1b..670532a325 100644
--- a/lib/sha256.c
+++ b/lib/sha256.c
@@ -148,8 +148,9 @@ typedef psa_hash_operation_t my_sha256_ctx;
 
 static CURLcode my_sha256_init(void *ctx)
 {
-  memset(ctx, 0, sizeof(my_sha256_ctx));
-  if(psa_hash_setup(ctx, PSA_ALG_SHA_256) != PSA_SUCCESS)
+  psa_hash_operation_t *pctx = (psa_hash_operation_t *)ctx;
+  *pctx = psa_hash_operation_init();
+  if(psa_hash_setup(pctx, PSA_ALG_SHA_256) != PSA_SUCCESS)
     return CURLE_OUT_OF_MEMORY;
   return CURLE_OK;
 }