projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 963ed931 MS |
1 | /* |
| 2 | * linux/drivers/s390/crypto/zcrypt_pcica.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_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 | */ | |
| 41 | struct 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 */ | |
| 59 | struct 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 */ | |
| 67 | struct 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 */ | |
| 75 | struct 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 */ | |
| 86 | struct 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 | ||
| 105 | struct 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 | ||
| 114 | int zcrypt_pcica_init(void); | |
| 115 | void zcrypt_pcica_exit(void); | |
| 116 | ||
| 117 | #endif /* _ZCRYPT_PCICA_H_ */ |