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gerrit-public.fairphone.software / kernel / msm-4.9 / ffc63b7d30370e23d7e052df2c1c2c4526464ba6 / . / drivers / s390 / crypto / zcrypt_pcica.h
blob: 3be11187f6df35feda6c095802ddf38ffc6cc8e4 [file] [log] [blame]
Martin Schwidefsky963ed932006-09-20 15:58:29 +0200[diff] [blame]1/*
2 * linux/drivers/s390/crypto/zcrypt_pcica.h
3 *
Ralph Wuerthner54321142006-09-20 15:58:36 +0200[diff] [blame]4 * zcrypt 2.1.0
Martin Schwidefsky963ed932006-09-20 15:58:29 +0200[diff] [blame]5 *
6 * Copyright (C) 2001, 2006 IBM Corporation
7 * Author(s): Robert Burroughs
8 * Eric Rossman (edrossma@us.ibm.com)
9 *
10 * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
11 * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2, or (at your option)
16 * any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 */
27
28#ifndef _ZCRYPT_PCICA_H_
29#define _ZCRYPT_PCICA_H_
30
31/**
32 * The type 4 message family is associated with a PCICA card.
33 *
34 * The four members of the family are described below.
35 *
36 * Note that all unsigned char arrays are right-justified and left-padded
37 * with zeroes.
38 *
39 * Note that all reserved fields must be zeroes.
40 */
41struct type4_hdr {
42 unsigned char reserved1;
43 unsigned char msg_type_code; /* 0x04 */
44 unsigned short msg_len;
45 unsigned char request_code; /* 0x40 */
46 unsigned char msg_fmt;
47 unsigned short reserved2;
48} __attribute__((packed));
49
50#define TYPE4_TYPE_CODE 0x04
51#define TYPE4_REQU_CODE 0x40
52
53#define TYPE4_SME_FMT 0x00
54#define TYPE4_LME_FMT 0x10
55#define TYPE4_SCR_FMT 0x40
56#define TYPE4_LCR_FMT 0x50
57
58/* Mod-Exp, with a small modulus */
59struct type4_sme {
60 struct type4_hdr header;
61 unsigned char message[128];
62 unsigned char exponent[128];
63 unsigned char modulus[128];
64} __attribute__((packed));
65
66/* Mod-Exp, with a large modulus */
67struct type4_lme {
68 struct type4_hdr header;
69 unsigned char message[256];
70 unsigned char exponent[256];
71 unsigned char modulus[256];
72} __attribute__((packed));
73
74/* CRT, with a small modulus */
75struct type4_scr {
76 struct type4_hdr header;
77 unsigned char message[128];
78 unsigned char dp[72];
79 unsigned char dq[64];
80 unsigned char p[72];
81 unsigned char q[64];
82 unsigned char u[72];
83} __attribute__((packed));
84
85/* CRT, with a large modulus */
86struct type4_lcr {
87 struct type4_hdr header;
88 unsigned char message[256];
89 unsigned char dp[136];
90 unsigned char dq[128];
91 unsigned char p[136];
92 unsigned char q[128];
93 unsigned char u[136];
94} __attribute__((packed));
95
96/**
97 * The type 84 response family is associated with a PCICA card.
98 *
99 * Note that all unsigned char arrays are right-justified and left-padded
100 * with zeroes.
101 *
102 * Note that all reserved fields must be zeroes.
103 */
104
105struct type84_hdr {
106 unsigned char reserved1;
107 unsigned char code;
108 unsigned short len;
109 unsigned char reserved2[4];
110} __attribute__((packed));
111
112#define TYPE84_RSP_CODE 0x84
113
114int zcrypt_pcica_init(void);
115void zcrypt_pcica_exit(void);
116
117#endif /* _ZCRYPT_PCICA_H_ */