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963ed931 MS |
1 | /* |
2 | * linux/drivers/s390/crypto/zcrypt_cex2a.h | |
3 | * | |
5432114b | 4 | * zcrypt 2.1.0 |
963ed931 MS |
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_CEX2A_H_ | |
29 | #define _ZCRYPT_CEX2A_H_ | |
30 | ||
31 | /** | |
32 | * The type 50 message family is associated with a CEX2A 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 | */ | |
41 | struct type50_hdr { | |
42 | unsigned char reserved1; | |
43 | unsigned char msg_type_code; /* 0x50 */ | |
44 | unsigned short msg_len; | |
45 | unsigned char reserved2; | |
46 | unsigned char ignored; | |
47 | unsigned short reserved3; | |
48 | } __attribute__((packed)); | |
49 | ||
50 | #define TYPE50_TYPE_CODE 0x50 | |
51 | ||
52 | #define TYPE50_MEB1_FMT 0x0001 | |
53 | #define TYPE50_MEB2_FMT 0x0002 | |
54 | #define TYPE50_CRB1_FMT 0x0011 | |
55 | #define TYPE50_CRB2_FMT 0x0012 | |
56 | ||
57 | /* Mod-Exp, with a small modulus */ | |
58 | struct type50_meb1_msg { | |
59 | struct type50_hdr header; | |
60 | unsigned short keyblock_type; /* 0x0001 */ | |
61 | unsigned char reserved[6]; | |
62 | unsigned char exponent[128]; | |
63 | unsigned char modulus[128]; | |
64 | unsigned char message[128]; | |
65 | } __attribute__((packed)); | |
66 | ||
67 | /* Mod-Exp, with a large modulus */ | |
68 | struct type50_meb2_msg { | |
69 | struct type50_hdr header; | |
70 | unsigned short keyblock_type; /* 0x0002 */ | |
71 | unsigned char reserved[6]; | |
72 | unsigned char exponent[256]; | |
73 | unsigned char modulus[256]; | |
74 | unsigned char message[256]; | |
75 | } __attribute__((packed)); | |
76 | ||
77 | /* CRT, with a small modulus */ | |
78 | struct type50_crb1_msg { | |
79 | struct type50_hdr header; | |
80 | unsigned short keyblock_type; /* 0x0011 */ | |
81 | unsigned char reserved[6]; | |
82 | unsigned char p[64]; | |
83 | unsigned char q[64]; | |
84 | unsigned char dp[64]; | |
85 | unsigned char dq[64]; | |
86 | unsigned char u[64]; | |
87 | unsigned char message[128]; | |
88 | } __attribute__((packed)); | |
89 | ||
90 | /* CRT, with a large modulus */ | |
91 | struct type50_crb2_msg { | |
92 | struct type50_hdr header; | |
93 | unsigned short keyblock_type; /* 0x0012 */ | |
94 | unsigned char reserved[6]; | |
95 | unsigned char p[128]; | |
96 | unsigned char q[128]; | |
97 | unsigned char dp[128]; | |
98 | unsigned char dq[128]; | |
99 | unsigned char u[128]; | |
100 | unsigned char message[256]; | |
101 | } __attribute__((packed)); | |
102 | ||
103 | /** | |
104 | * The type 80 response family is associated with a CEX2A card. | |
105 | * | |
106 | * Note that all unsigned char arrays are right-justified and left-padded | |
107 | * with zeroes. | |
108 | * | |
109 | * Note that all reserved fields must be zeroes. | |
110 | */ | |
111 | ||
112 | #define TYPE80_RSP_CODE 0x80 | |
113 | ||
114 | struct type80_hdr { | |
115 | unsigned char reserved1; | |
116 | unsigned char type; /* 0x80 */ | |
117 | unsigned short len; | |
118 | unsigned char code; /* 0x00 */ | |
119 | unsigned char reserved2[3]; | |
120 | unsigned char reserved3[8]; | |
121 | } __attribute__((packed)); | |
122 | ||
123 | int zcrypt_cex2a_init(void); | |
124 | void zcrypt_cex2a_exit(void); | |
125 | ||
126 | #endif /* _ZCRYPT_CEX2A_H_ */ |