2013-02-14 17:59:12 +04:00
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/*
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Password Encryptor
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2013-12-04 14:37:57 +04:00
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Copyright 2013 Thincast Technologies GmbH, Author: Dorian Johnson
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2013-02-14 17:59:12 +04:00
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This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
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If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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/* Encrypts data using AES 128 with a 256 bit key derived using PBKDF2-HMAC-SHA1 */
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#import <Foundation/Foundation.h>
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// Encryption block cipher config
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#define TSXEncryptorBlockCipherAlgo kCCAlgorithmAES128
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#define TSXEncryptorBlockCipherKeySize kCCKeySizeAES256
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#define TSXEncryptorBlockCipherOptions kCCOptionPKCS7Padding
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#define TSXEncryptorBlockCipherBlockSize 16
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// Key generation: If any of these are changed, existing password stores will no longer work
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#define TSXEncryptorPBKDF2Rounds 100
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#define TSXEncryptorPBKDF2Salt "9D¶3L}S¿lA[e€3C«"
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#define TSXEncryptorPBKDF2SaltLen TSXEncryptorBlockCipherOptions
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#define TSXEncryptorPBKDF2KeySize TSXEncryptorBlockCipherKeySize
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@interface Encryptor : NSObject {
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@private
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NSData* _encryption_key;
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NSString* _plaintext_password;
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}
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@property(readonly) NSString* plaintextPassword;
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- (id)initWithPassword:(NSString*)plaintext_password;
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- (NSData*)encryptData:(NSData*)plaintext_data;
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- (NSData*)decryptData:(NSData*)encrypted_data;
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- (NSData*)encryptString:(NSString*)plaintext_string;
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- (NSString*)decryptString:(NSData*)encrypted_string;
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@end
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