Security-59306.11.20.tar.gz

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

diff --git a/OSX/utilities/SecCFCCWrappers.c b/OSX/utilities/SecCFCCWrappers.c
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+++ b/OSX/utilities/SecCFCCWrappers.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 <utilities/SecCFCCWrappers.h>
+
+CFDataRef CFDataCreateDigestWithBytes(CFAllocatorRef allocator, const struct ccdigest_info *di, size_t len,
+                                const void *data, CFErrorRef *error) {
+    CFMutableDataRef digest = CFDataCreateMutable(allocator, di->output_size);
+    CFDataSetLength(digest, di->output_size);
+    ccdigest(di, len, data, CFDataGetMutableBytePtr(digest));
+    return digest;
+}
+
+CFDataRef CFDataCreateSHA1DigestWithBytes(CFAllocatorRef allocator, size_t len, const void *data, CFErrorRef *error) {
+    return CFDataCreateDigestWithBytes(allocator, ccsha1_di(), len, data, error);
+}
+
+CFDataRef CFDataCreateSHA256DigestWithBytes(CFAllocatorRef allocator, size_t len, const void *data, CFErrorRef *error) {
+    return CFDataCreateDigestWithBytes(allocator, ccsha256_di(), len, data, error);
+}
+
+
+CFDataRef CFDataCopySHA1Digest(CFDataRef dataToDigest, CFErrorRef *error) {
+    CFIndex length = CFDataGetLength(dataToDigest);
+    assert((unsigned long)length < UINT32_MAX); /* Debug check. Correct as long as CFIndex is long */
+    return CFDataCreateSHA1DigestWithBytes(CFGetAllocator(dataToDigest), length, CFDataGetBytePtr(dataToDigest), error);
+}
+
+CFDataRef CFDataCopySHA256Digest(CFDataRef dataToDigest, CFErrorRef *error) {
+    CFIndex length = CFDataGetLength(dataToDigest);
+    assert((unsigned long)length < UINT32_MAX); /* Debug check. Correct as long as CFIndex is long */
+    return CFDataCreateSHA256DigestWithBytes(CFGetAllocator(dataToDigest), length, CFDataGetBytePtr(dataToDigest), error);
+}