NSData+CommonCrypto.h
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/*
* NSData+CommonCrypto.h
* AQToolkit
*
* Created by Jim Dovey on 31/8/2008.
*
* Copyright (c) 2008-2009, Jim Dovey
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of this project's author nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#import <Foundation/NSData.h>
#import <Foundation/NSError.h>
#import <CommonCrypto/CommonCryptor.h>
#import <CommonCrypto/CommonHMAC.h>
extern NSString * const kBBACommonCryptoErrorDomain;
@interface NSError (BBACommonCryptoErrorDomain)
+ (NSError *) errorWithCCCryptorStatusEx: (CCCryptorStatus) status;
@end
@interface NSData (BBACommonDigest)
- (NSData *) MD2SumEx;
- (NSData *) MD4SumEx;
- (NSData *) MD5SumEx;
- (NSData *) SHA1HashEx;
- (NSData *) SHA224HashEx;
- (NSData *) SHA256HashEx;
- (NSData *) SHA384HashEx;
- (NSData *) SHA512HashEx;
@end
@interface NSData (BBACommonCryptor)
- (NSData *) AES256EncryptedDataUsingKeyEx: (NSString *) key IV:(NSString *)iv;
- (NSData *) decryptedAES256DataUsingKeyEx: (NSString *) key IV:(NSString *) iv;
- (NSData *) DESEncryptedDataUsingKeyEx: (id) key error: (NSError **) error;
- (NSData *) decryptedDESDataUsingKeyEx: (id) key error: (NSError **) error;
- (NSData *) CASTEncryptedDataUsingKeyEx: (id) key error: (NSError **) error;
- (NSData *) decryptedCASTDataUsingKeyEx: (id) key error: (NSError **) error;
@end
@interface NSData (BBALowLevelCommonCryptor)
- (NSData *) dataEncryptedUsingAlgorithmEx: (CCAlgorithm) algorithm
key: (id) key // data or string
error: (CCCryptorStatus *) error;
- (NSData *) dataEncryptedUsingAlgorithmEx: (CCAlgorithm) algorithm
key: (id) key // data or string
options: (CCOptions) options
error: (CCCryptorStatus *) error;
- (NSData *) dataEncryptedUsingAlgorithmEx: (CCAlgorithm) algorithm
key: (id) key // data or string
initializationVector: (id) iv // data or string
options: (CCOptions) options
error: (CCCryptorStatus *) error;
- (NSData *) decryptedDataUsingAlgorithmEx: (CCAlgorithm) algorithm
key: (id) key // data or string
error: (CCCryptorStatus *) error;
- (NSData *) decryptedDataUsingAlgorithmEx: (CCAlgorithm) algorithm
key: (id) key // data or string
options: (CCOptions) options
error: (CCCryptorStatus *) error;
- (NSData *) decryptedDataUsingAlgorithmEx: (CCAlgorithm) algorithm
key: (id) key // data or string
initializationVector: (id) iv // data or string
options: (CCOptions) options
error: (CCCryptorStatus *) error;
/**
* @brief AES加密或者解密
* @param mode 模式 kCCMode ECB, CBC, CFB, CTR, OFB, RC4, CFB8
* @param operation 操作
* @param algorithm AES DES, 3DES, CAST, RC4, RC2, Blowfish
* @param padding cc NoPadding, PKCS7Padding
* @param key key
* @param keyLength kCCKeySizeAES 128, 192, 256
* @param iv iv
* @param error 可能发生的错误
*/
- (NSData *)cryptWithMode:(CCMode)mode
operation:(CCOperation)operation
algorithm:(CCAlgorithm)algorithm
padding:(CCPadding)padding
key:(NSData *)key
keyLength:(size_t)keyLength
iv:(NSData *)iv
error:(NSError **)error;
@end
@interface NSData (BBACommonHMAC)
- (NSData *) HMACWithAlgorithmEx: (CCHmacAlgorithm) algorithm;
- (NSData *) HMACWithAlgorithmEx: (CCHmacAlgorithm) algorithm key: (id) key;
@end