1/*
2 * Copyright (c) 2000-2001,2011,2014 Apple Inc. All Rights Reserved.
3 *
4 * The contents of this file constitute Original Code as defined in and are
5 * subject to the Apple Public Source License Version 1.2 (the 'License').
6 * You may not use this file except in compliance with the License. Please obtain
7 * a copy of the License at http://www.apple.com/publicsource and read it before
8 * using this file.
9 *
10 * This Original Code and all software distributed under the License are
11 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
12 * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
13 * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
14 * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
15 * specific language governing rights and limitations under the License.
16 */
17
18
19/*
20 * rc5Context.h - glue between BlockCrytpor and ssleay RC5 implementation
21 */
22#ifndef _RC5_CONTEXT_H_
23#define _RC5_CONTEXT_H_
24
25#include <BlockCryptor.h>
26#include <openssl/rc5.h>
27
28class RC5Context : public BlockCryptor {
29public:
30	RC5Context(AppleCSPSession &session) :
31		BlockCryptor(session)	{ }
32	~RC5Context();
33
34	// called by CSPFullPluginSession
35	void init(const Context &context, bool encoding = true);
36
37	// called by BlockCryptor
38	void encryptBlock(
39		const void		*plainText,			// length implied (one block)
40		size_t			plainTextLen,
41		void			*cipherText,
42		size_t			&cipherTextLen,		// in/out, throws on overflow
43		bool			final);
44	void decryptBlock(
45		const void		*cipherText,		// length implied (one cipher block)
46		size_t			cipherTextLen,
47		void			*plainText,
48		size_t			&plainTextLen,		// in/out, throws on overflow
49		bool			final);
50
51private:
52	RC5_32_KEY			rc5Key;
53
54};	/* RC5Context */
55
56#endif //_RC2_CONTEXT_H_
57