1 /* $OpenBSD: cryptosoft.h,v 1.10 2002/04/22 23:10:09 deraadt Exp $ */
2
3 /*
4 * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
5 *
6 * This code was written by Angelos D. Keromytis in Athens, Greece, in
7 * February 2000. Network Security Technologies Inc. (NSTI) kindly
8 * supported the development of this code.
9 *
10 * Copyright (c) 2000 Angelos D. Keromytis
11 *
12 * Permission to use, copy, and modify this software with or without fee
13 * is hereby granted, provided that this entire notice is included in
14 * all source code copies of any software which is or includes a copy or
15 * modification of this software.
16 *
17 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
18 * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
19 * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
20 * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
21 * PURPOSE.
22 */
23
24 #ifndef _CRYPTO_CRYPTOSOFT_H_
25 #define _CRYPTO_CRYPTOSOFT_H_
26
27 /* Software session entry */
28 struct swcr_data {
29 int sw_alg; /* Algorithm */
30 union {
31 struct {
32 u_int8_t *SW_ictx;
33 u_int8_t *SW_octx;
34 u_int32_t SW_klen;
35 struct auth_hash *SW_axf;
36 } SWCR_AUTH;
37 struct {
38 u_int8_t *SW_kschedule;
39 struct enc_xform *SW_exf;
40 } SWCR_ENC;
41 struct {
42 u_int32_t SW_size;
43 struct comp_algo *SW_cxf;
44 } SWCR_COMP;
45 } SWCR_UN;
46
47 #define sw_ictx SWCR_UN.SWCR_AUTH.SW_ictx
48 #define sw_octx SWCR_UN.SWCR_AUTH.SW_octx
49 #define sw_klen SWCR_UN.SWCR_AUTH.SW_klen
50 #define sw_axf SWCR_UN.SWCR_AUTH.SW_axf
51 #define sw_kschedule SWCR_UN.SWCR_ENC.SW_kschedule
52 #define sw_exf SWCR_UN.SWCR_ENC.SW_exf
53 #define sw_size SWCR_UN.SWCR_COMP.SW_size
54 #define sw_cxf SWCR_UN.SWCR_COMP.SW_cxf
55
56 struct swcr_data *sw_next;
57 };
58
59 #ifdef _KERNEL
60 extern u_int8_t hmac_ipad_buffer[64];
61 extern u_int8_t hmac_opad_buffer[64];
62
63 int swcr_encdec(struct cryptodesc *, struct swcr_data *, caddr_t, int);
64 int swcr_authcompute(struct cryptop *, struct cryptodesc *, struct swcr_data *,
65 caddr_t, int);
66 int swcr_compdec(struct cryptodesc *, struct swcr_data *, caddr_t, int);
67 int swcr_process(struct cryptop *);
68 int swcr_newsession(u_int32_t *, struct cryptoini *);
69 int swcr_freesession(u_int64_t);
70 void swcr_init(void);
71 #endif /* _KERNEL */
72
73 #endif /* _CRYPTO_CRYPTO_H_ */