1/*
2 * Copyright (c) 2000-2001 Apple Computer, 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 * Written by Doug Mitchell 4/3/2001
22 */
23#ifndef _RC2_CONTEXT_H_
24#define _RC2_CONTEXT_H_
25
26#include <BlockCryptor.h>
27#include <openssl/rc2.h>
28
29/* RC2 Symmetric encryption context */
30class RC2Context : public BlockCryptor {
31public:
32	RC2Context(AppleCSPSession &session) :
33		BlockCryptor(session)	{ }
34	~RC2Context();
35
36	// called by CSPFullPluginSession
37	void init(const Context &context, bool encoding = true);
38
39	// called by BlockCryptor
40	void encryptBlock(
41		const void		*plainText,			// length implied (one block)
42		size_t			plainTextLen,
43		void			*cipherText,
44		size_t			&cipherTextLen,		// in/out, throws on overflow
45		bool			final);
46	void decryptBlock(
47		const void		*cipherText,		// length implied (one cipher block)
48		size_t			cipherTextLen,
49		void			*plainText,
50		size_t			&plainTextLen,		// in/out, throws on overflow
51		bool			final);
52
53private:
54	RC2_KEY				rc2Key;
55
56};	/* RC2Context */
57
58#endif //_RC2_CONTEXT_H_
59