if_iwm - Recognize IWM_FW_PAGING_BLOCK_CMD wide cmd response correctly.
[dragonfly.git] / crypto / openssl / engines / ccgost / gost_keywrap.h
1 /**********************************************************************
2  *                         gost_keywrap.h                             *
3  *             Copyright (c) 2005-2006 Cryptocom LTD                  *
4  *       This file is distributed under the same license as OpenSSL   *
5  *                                                                    *
6  * Implementation of CryptoPro key wrap algorithm, as defined in      *
7  * RFC 4357 p 6.3 and 6.4                                             *
8  * Doesn't need OpenSSL                                               *
9  **********************************************************************/
10 #ifndef GOST_KEYWRAP_H
11 # define GOST_KEYWRAP_H
12 # include <string.h>
13 # include "gost89.h"
14 /*-
15  * Diversifies key using random UserKey Material
16  * Implements RFC 4357 p 6.5 key diversification algorithm
17  *
18  * inputKey - 32byte key to be diversified
19  * ukm - 8byte user key material
20  * outputKey - 32byte buffer to store diversified key
21  *
22  */
23 void keyDiversifyCryptoPro(gost_ctx * ctx,
24                            const unsigned char *inputKey,
25                            const unsigned char *ukm,
26                            unsigned char *outputKey);
27 /*-
28  * Wraps key using RFC 4357 6.3
29  * ctx - gost encryption context, initialized with some S-boxes
30  * keyExchangeKey (KEK) 32-byte (256-bit) shared key
31  * ukm - 8 byte (64 bit) user key material,
32  * sessionKey - 32-byte (256-bit) key to be wrapped
33  * wrappedKey - 44-byte buffer to store wrapped key
34  */
35
36 int keyWrapCryptoPro(gost_ctx * ctx,
37                      const unsigned char *keyExchangeKey,
38                      const unsigned char *ukm,
39                      const unsigned char *sessionKey,
40                      unsigned char *wrappedKey);
41 /*-
42  * Unwraps key using RFC 4357 6.4
43  * ctx - gost encryption context, initialized with some S-boxes
44  * keyExchangeKey 32-byte shared key
45  * wrappedKey  44 byte key to be unwrapped (concatenation of 8-byte UKM,
46  * 32 byte  encrypted key and 4 byte MAC
47  *
48  * sessionKEy - 32byte buffer to store sessionKey in
49  * Returns 1 if key is decrypted successfully, and 0 if MAC doesn't match
50  */
51
52 int keyUnwrapCryptoPro(gost_ctx * ctx,
53                        const unsigned char *keyExchangeKey,
54                        const unsigned char *wrappedKey,
55                        unsigned char *sessionKey);
56 #endif