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 * rc2Context.h - glue between BlockCrytpor and ssleay RC2 implementation
21 */
22#ifndef _RC2_CONTEXT_H_
23#define _RC2_CONTEXT_H_
24
25#include <BlockCryptor.h>
26#include <openssl/rc2.h>
27
28/* RC2 Symmetric encryption context */
29class RC2Context : public BlockCryptor {
30public:
31	RC2Context(AppleCSPSession &session) :
32		BlockCryptor(session)	{ }
33	~RC2Context();
34
35	// called by CSPFullPluginSession
36	void init(const Context &context, bool encoding = true);
37
38	// called by BlockCryptor
39	void encryptBlock(
40		const void		*plainText,			// length implied (one block)
41		size_t			plainTextLen,
42		void			*cipherText,
43		size_t			&cipherTextLen,		// in/out, throws on overflow
44		bool			final);
45	void decryptBlock(
46		const void		*cipherText,		// length implied (one cipher block)
47		size_t			cipherTextLen,
48		void			*plainText,
49		size_t			&plainTextLen,		// in/out, throws on overflow
50		bool			final);
51
52private:
53	RC2_KEY				rc2Key;
54
55};	/* RC2Context */
56
57#endif //_RC2_CONTEXT_H_
58