Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/client/iOS/Models/Encryptor.h

@@ -0,0 +1,43 @@
+/*
+ Password Encryptor
+
+ Copyright 2013 Thincast Technologies GmbH, Author: Dorian Johnson
+
+ This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+ If a copy of the MPL was not distributed with this file, You can obtain one at
+ http://mozilla.org/MPL/2.0/.
+ */
+
+/* Encrypts data using AES 128 with a 256 bit key derived using PBKDF2-HMAC-SHA1  */
+
+#import <Foundation/Foundation.h>
+
+// Encryption block cipher config
+#define TSXEncryptorBlockCipherAlgo kCCAlgorithmAES128
+#define TSXEncryptorBlockCipherKeySize kCCKeySizeAES256
+#define TSXEncryptorBlockCipherOptions kCCOptionPKCS7Padding
+#define TSXEncryptorBlockCipherBlockSize 16
+
+// Key generation: If any of these are changed, existing password stores will no longer work
+#define TSXEncryptorPBKDF2Rounds 100
+#define TSXEncryptorPBKDF2Salt "9D¶3L}S¿lA[e€3C«"
+#define TSXEncryptorPBKDF2SaltLen TSXEncryptorBlockCipherOptions
+#define TSXEncryptorPBKDF2KeySize TSXEncryptorBlockCipherKeySize
+
+@interface Encryptor : NSObject
+{
+  @private
+	NSData *_encryption_key;
+	NSString *_plaintext_password;
+}
+
+@property(readonly) NSString *plaintextPassword;
+
+- (id)initWithPassword:(NSString *)plaintext_password;
+
+- (NSData *)encryptData:(NSData *)plaintext_data;
+- (NSData *)decryptData:(NSData *)encrypted_data;
+- (NSData *)encryptString:(NSString *)plaintext_string;
+- (NSString *)decryptString:(NSData *)encrypted_string;
+
+@end