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zcrypt_pcica.h
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1 /*
2  * zcrypt 2.1.0
3  *
4  * Copyright IBM Corp. 2001, 2006
5  * Author(s): Robert Burroughs
6  * Eric Rossman ([email protected])
7  *
8  * Hotplug & misc device support: Jochen Roehrig ([email protected])
9  * Major cleanup & driver split: Martin Schwidefsky <[email protected]>
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation; either version 2, or (at your option)
14  * any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software
23  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24  */
25 
26 #ifndef _ZCRYPT_PCICA_H_
27 #define _ZCRYPT_PCICA_H_
28 
39 struct type4_hdr {
40  unsigned char reserved1;
41  unsigned char msg_type_code; /* 0x04 */
42  unsigned short msg_len;
43  unsigned char request_code; /* 0x40 */
44  unsigned char msg_fmt;
45  unsigned short reserved2;
46 } __attribute__((packed));
47 
48 #define TYPE4_TYPE_CODE 0x04
49 #define TYPE4_REQU_CODE 0x40
50 
51 #define TYPE4_SME_FMT 0x00
52 #define TYPE4_LME_FMT 0x10
53 #define TYPE4_SCR_FMT 0x40
54 #define TYPE4_LCR_FMT 0x50
55 
56 /* Mod-Exp, with a small modulus */
57 struct type4_sme {
58  struct type4_hdr header;
59  unsigned char message[128];
60  unsigned char exponent[128];
61  unsigned char modulus[128];
62 } __attribute__((packed));
63 
64 /* Mod-Exp, with a large modulus */
65 struct type4_lme {
66  struct type4_hdr header;
67  unsigned char message[256];
68  unsigned char exponent[256];
69  unsigned char modulus[256];
70 } __attribute__((packed));
71 
72 /* CRT, with a small modulus */
73 struct type4_scr {
74  struct type4_hdr header;
75  unsigned char message[128];
76  unsigned char dp[72];
77  unsigned char dq[64];
78  unsigned char p[72];
79  unsigned char q[64];
80  unsigned char u[72];
81 } __attribute__((packed));
82 
83 /* CRT, with a large modulus */
84 struct type4_lcr {
85  struct type4_hdr header;
86  unsigned char message[256];
87  unsigned char dp[136];
88  unsigned char dq[128];
89  unsigned char p[136];
90  unsigned char q[128];
91  unsigned char u[136];
92 } __attribute__((packed));
93 
103 struct type84_hdr {
104  unsigned char reserved1;
105  unsigned char code;
106  unsigned short len;
107  unsigned char reserved2[4];
108 } __attribute__((packed));
109 
110 #define TYPE84_RSP_CODE 0x84
111 
112 int zcrypt_pcica_init(void);
113 void zcrypt_pcica_exit(void);
114 
115 #endif /* _ZCRYPT_PCICA_H_ */
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