Adding vector_zero

Author: Akendo

upstream_patches/0019-zeroization-of-ml_dsa_key.patch

@@ -11,12 +11,15 @@ index 87613c937d..0c6a4e3a6c 100644
 +        OPENSSL_cleanse(key->priv_encoding, sizeof(key->priv_encoding));
 +        OPENSSL_cleanse(key->seed, seed_len);
          key->priv_encoding = key->seed = NULL;
-@@ -160,3 +160,3 @@ void ossl_ml_dsa_key_reset(ML_DSA_KEY *key)
+@@ -160,5 +160,6 @@ void ossl_ml_dsa_key_reset(ML_DSA_KEY *key)
+     /* The |t1| vector is public and allocated separately */
++    vector_zero(&key->t1);
+     vector_free(&key->t1);
      OPENSSL_cleanse(key->K, sizeof(key->K));
 -    OPENSSL_free(key->pub_encoding);
 +    OPENSSL_clear_free(key->pub_encoding, sizeof(key->pub_encoding));
      key->pub_encoding = NULL;
-@@ -167,2 +167,6 @@ void ossl_ml_dsa_key_reset(ML_DSA_KEY *key)
+@@ -168,2 +168,6 @@ void ossl_ml_dsa_key_reset(ML_DSA_KEY *key)
          OPENSSL_clear_free(key->seed, ML_DSA_SEED_BYTES);
 +    if (key->rho != NULL)
 +        OPENSSL_cleanse(key->rho, sizeof(key->rho));