Security-59306.11.20.tar.gz

[apple/security.git] / OSX / utilities / SecCoreCrypto.c

diff --git a/OSX/utilities/SecCoreCrypto.c b/OSX/utilities/SecCoreCrypto.c
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+/*
+ * Copyright (c) 2015 Apple Inc. All Rights Reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+
+#include "SecCoreCrypto.h"
+#include <corecrypto/ccder.h>
+
+
+#ifndef CCDER_BOOL_SUPPORT
+
+//
+// bool encoding/decoding
+//
+
+
+const uint8_t* ccder_decode_bool(bool* boolean, const uint8_t* der, const uint8_t *der_end)
+{
+    if (NULL == der)
+        return NULL;
+    
+    size_t payload_size = 0;
+    const uint8_t *payload = ccder_decode_tl(CCDER_BOOLEAN, &payload_size, der, der_end);
+    
+    if (NULL == payload || (der_end - payload) < 1 || payload_size != 1) {
+        return NULL;
+    }
+    
+    if (boolean)
+        *boolean = (*payload != 0);
+    
+    return payload + payload_size;
+}
+
+
+size_t ccder_sizeof_bool(bool value __unused, CFErrorRef *error)
+{
+    return ccder_sizeof(CCDER_BOOLEAN, 1);
+}
+
+
+uint8_t* ccder_encode_bool(bool value, const uint8_t *der, uint8_t *der_end)
+{
+    uint8_t value_byte = value;
+    
+    return ccder_encode_tl(CCDER_BOOLEAN, 1, der,
+                           ccder_encode_body(1, &value_byte, der, der_end));
+}
+#endif