Security-57031.1.35.tar.gz

[apple/security.git] / Security / libsecurity_keychain / lib / SecRandom.c

diff --git a/Security/libsecurity_keychain/lib/SecRandom.c b/Security/libsecurity_keychain/lib/SecRandom.c
new file mode 100644 (file)
index 0000000..dcdb1ae
--- /dev/null
+++ b/Security/libsecurity_keychain/lib/SecRandom.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2006-2013 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@
+ */
+
+/* 
+ * SecFramework.c - generic non API class specific functions
+ */
+
+#define SEC_BUILDER 1
+
+//#include "SecFramework.h"
+#include <strings.h>
+#include <CoreFoundation/CFBundle.h>
+#include <CoreFoundation/CFURLAccess.h>
+#include "SecRandomP.h"
+#include <CommonCrypto/CommonRandomSPI.h>
+#include <stdlib.h>
+
+/* Default random ref for /dev/random. */
+const SecRandomRef kSecRandomDefault = NULL;
+
+
+int SecRandomCopyBytes(SecRandomRef rnd, size_t count, uint8_t *bytes) {
+    if (rnd != kSecRandomDefault)
+        return errSecParam;
+    return CCRandomCopyBytes(kCCRandomDefault, bytes, count);
+}
+
+
+CFDataRef
+SecRandomCopyData(SecRandomRef rnd, size_t count)
+{
+    uint8_t *bytes;
+    CFDataRef retval = NULL;
+    
+    if (rnd != kSecRandomDefault) return NULL;
+    if((bytes = malloc(count)) == NULL) return NULL;
+    if(CCRandomCopyBytes(kCCRandomDefault, bytes, count) == kCCSuccess)
+        retval = CFDataCreate(kCFAllocatorDefault, bytes, count);
+    bzero(bytes, count);
+    free(bytes);
+    return retval;
+}
+