Diff: targets/TARGET_NUVOTON/TARGET_NUC472/crypto/crypto-misc.c

Revision:

153:9398a535854b

Parent:

152:9a67f0b066fc

--- a/targets/TARGET_NUVOTON/TARGET_NUC472/crypto/crypto-misc.c	Thu Dec 15 11:48:27 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,63 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2015-2016 Nuvoton
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-#include "cmsis.h"
-#include "mbed_assert.h"
-#include "nu_modutil.h"
-#include "nu_bitutil.h"
-#include "crypto-misc.h"
-
-static int crypto_inited = 0;
-static int crypto_sha_avail = 1;
-
-void crypto_init(void)
-{
-    if (crypto_inited) {
-        return;
-    }
-    crypto_inited = 1;
-    
-    CLK_EnableModuleClock(CRPT_MODULE);
-}
-
-/* Implementation that should never be optimized out by the compiler */
-void crypto_zeroize(void *v, size_t n)
-{
-    volatile unsigned char *p = (unsigned char*) v;
-    while (n--) {
-        *p++ = 0;
-    }
-}
-
-int crypto_sha_acquire(void)
-{
-    if (crypto_sha_avail) {
-        crypto_sha_avail = 0;
-        return 1;
-    }
-    else {
-        return 0;
-    }
-    
-}
-
-void crypto_sha_release(void)
-{
-    if (! crypto_sha_avail) {
-        crypto_sha_avail = 1;
-    }
-}