fixes for c++ error on missing enum cast and warning on MlKemKey initialization

Author: JacobBarthelmeh

src/internal.c

@@ -5527,12 +5527,14 @@ static int KeyAgreeEcdhMlKem_client(WOLFSSH* ssh, byte hashId,
     int ret = WS_SUCCESS;
     byte sharedSecretHashSz = 0;
     byte *sharedSecretHash = NULL;
-    MlKemKey kem = {0};
+    MlKemKey kem;
     word32 length_ciphertext = 0;
     word32 length_sharedsecret = 0;
     word32 length_privatekey = 0;
     int mlKemType = WC_ML_KEM_768;
     byte kexId = ssh->handshake->kexId;
+
+    WMEMSET(&kem, 0, sizeof(kem));
 #if !defined(WOLFSSH_NO_NISTP256_MLKEM768_SHA256) || \
     !defined(WOLFSSH_NO_NISTP384_MLKEM1024_SHA384)
     ecc_key *key_ptr = NULL;
@@ -5694,7 +5696,7 @@ static int KeyAgreeEcdhMlKem_client(WOLFSSH* ssh, byte hashId,
     /* Replace the concatenated shared secrets with the hash. That
      * will become the new shared secret. */
     if (ret == 0) {
-        sharedSecretHashSz = wc_HashGetDigestSize(hashId);
+        sharedSecretHashSz = wc_HashGetDigestSize((enum wc_HashType)hashId);
         sharedSecretHash = (byte *)WMALLOC(sharedSecretHashSz,
                                            ssh->ctx->heap,
                                            DYNTYPE_PRIVKEY);
@@ -5704,8 +5706,8 @@ static int KeyAgreeEcdhMlKem_client(WOLFSSH* ssh, byte hashId,
     }
 
     if (ret == 0) {
-        ret = wc_Hash(hashId, ssh->k, ssh->kSz, sharedSecretHash,
-                      sharedSecretHashSz);
+        ret = wc_Hash((enum wc_HashType)hashId, ssh->k, ssh->kSz,
+                      sharedSecretHash, sharedSecretHashSz);
     }
 
     if (ret == 0) {
@@ -12144,12 +12146,14 @@ static int KeyAgreeEcdhMlKem_server(WOLFSSH* ssh, byte hashId,
     int ret = WS_SUCCESS;
     byte sharedSecretHashSz = 0;
     byte *sharedSecretHash = NULL;
-    MlKemKey kem = {0};
+    MlKemKey kem;
     word32 length_publickey = 0;
     word32 length_ciphertext = 0;
     word32 length_sharedsecret = 0;
     int mlKemType = WC_ML_KEM_768;
     byte kexId = ssh->handshake->kexId;
+
+    WMEMSET(&kem, 0, sizeof(kem));
 #if !defined(WOLFSSH_NO_NISTP256_MLKEM768_SHA256) || \
     !defined(WOLFSSH_NO_NISTP384_MLKEM1024_SHA384)
     ecc_key* pubKey = NULL;
@@ -12366,16 +12370,16 @@ static int KeyAgreeEcdhMlKem_server(WOLFSSH* ssh, byte hashId,
     /* Replace the concatenated shared secrets with the hash. That
      * will become the new shared secret.*/
     if (ret == 0) {
-        sharedSecretHashSz = wc_HashGetDigestSize(hashId);
+        sharedSecretHashSz = wc_HashGetDigestSize((enum wc_HashType)hashId);
         sharedSecretHash = (byte *)WMALLOC(sharedSecretHashSz,
                 ssh->ctx->heap, DYNTYPE_PRIVKEY);
         if (sharedSecretHash == NULL) {
             ret = WS_MEMORY_E;
         }
     }
     if (ret == 0) {
-        ret = wc_Hash(hashId, ssh->k, ssh->kSz, sharedSecretHash,
-                      sharedSecretHashSz);
+        ret = wc_Hash((enum wc_HashType)hashId, ssh->k, ssh->kSz,
+                      sharedSecretHash, sharedSecretHashSz);
     }
     if (ret == 0) {
         XMEMCPY(ssh->k, sharedSecretHash, sharedSecretHashSz);
@@ -13554,12 +13558,14 @@ int SendKexDhInit(WOLFSSH* ssh)
     !defined(WOLFSSH_NO_NISTP384_MLKEM1024_SHA384) || \
     !defined(WOLFSSH_NO_CURVE25519_MLKEM768_SHA256)
         if (ssh->handshake->useEccMlKem) {
-            MlKemKey kem = {0};
+            MlKemKey kem;
             word32 length_publickey = 0;
             word32 length_privatekey = 0;
             int mlKemType = WC_ML_KEM_768;
             ret = 0;
 
+            WMEMSET(&kem, 0, sizeof(kem));
+
 #ifndef WOLFSSH_NO_NISTP384_MLKEM1024_SHA384
             if (ssh->handshake->kexId == ID_NISTP384_MLKEM1024_SHA384) {
                 mlKemType = WC_ML_KEM_1024;