X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/80e2389990082500d76eb566d4946be3e786c3ef..d8f41ccd20de16f8ebe2ccc84d47bf1cb2b26bbb:/Security/libsecurity_transform/lib/EncryptTransformUtilities.h

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+/*
+ * Copyright (c) 2010-2011 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@
+ */
+
+/*!
+ @header EncryptTransformUtilities
+ This file contains utilities used by the SecEncryptTransform and the SecDecryptTransform
+ 
+ */
+#if !defined(___ENCRYPT_TRANSFORM_UTILITIES__)
+#define ___ENCRYPT_TRANSFORM_UTILITIES__ 1
+
+#include <CoreFoundation/CoreFoundation.h> 
+#include <Security/cssmapi.h>
+#include <Security/cssmapple.h>
+#include <Security/cssmtype.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+	
+	/*!
+	 @function 			ConvertPaddingStringToEnum
+	 @abstract			Given a string that represents a padding return the
+	 CSSM_PADDING value
+	 @param paddingStr	A CFStringRef that represents a padding string
+	 @result				The corresponding CSSM_PADDING value or -1 if the
+	 padding value could not be found
+	 */
+	uint32	ConvertPaddingStringToEnum(CFStringRef paddingStr);
+	
+	/*!
+	 @function 			ConvertPaddingEnumToString
+	 @abstract			Given a CSSM_PADDING value return the corresponding 
+	 CFString representation.
+	 @param paddingEnum	A CSSM_PADDING value.
+	 @result				The corresponding CFStringRef or NULL if the the 
+	 CSSM_PADDING value could not be found
+	 */
+	CFStringRef ConvertPaddingEnumToString(CSSM_PADDING paddingEnum);
+	
+	
+	/*!
+	 @function 			ConvertEncryptModeStringToEnum
+	 @abstract			Given a string that represents an encryption mode return the
+	 CSSM_ENCRYPT_MODE value
+	 @param modeStr	A CFStringRef that represents an encryption mode
+     @param hasPadding Specify if the mode should pad
+		 @result				The corresponding CSSM_ENCRYPT_MODE value or -1 if the
+	 encryptio mode value could not be found
+	 */
+	uint32	ConvertEncryptModeStringToEnum(CFStringRef modeStr, Boolean hasPadding);
+	
+	/*!
+	 @function 			ConvertPaddingEnumToString
+	 @abstract			Given a CSSM_ENCRYPT_MODE value return the corresponding 
+	 CFString representation.
+	 @param paddingEnum	A CSSM_ENCRYPT_MODE value.
+	 @result				The corresponding CFStringRef or NULL if the the 
+	 CSSM_ENCRYPT_MODE value could not be found
+	 */
+	CFStringRef ConvertEncryptModeEnumToString(CSSM_ENCRYPT_MODE paddingEnum);
+	
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !___ENCRYPT_TRANSFORM_UTILITIES__ */