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/*
* linux/drivers/s390/crypto/zcrypt_pcica.h
*
* zcrypt 2.0.0
*
* Copyright (C) 2001, 2006 IBM Corporation
* Author(s): Robert Burroughs
* Eric Rossman (edrossma@us.ibm.com)
*
* Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
* Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _ZCRYPT_PCICA_H_
#define _ZCRYPT_PCICA_H_
/**
* The type 4 message family is associated with a PCICA card.
*
* The four members of the family are described below.
*
* Note that all unsigned char arrays are right-justified and left-padded
* with zeroes.
*
* Note that all reserved fields must be zeroes.
*/
struct type4_hdr {
unsigned char reserved1;
unsigned char msg_type_code; /* 0x04 */
unsigned short msg_len;
unsigned char request_code; /* 0x40 */
unsigned char msg_fmt;
unsigned short reserved2;
} __attribute__((packed));
#define TYPE4_TYPE_CODE 0x04
#define TYPE4_REQU_CODE 0x40
#define TYPE4_SME_FMT 0x00
#define TYPE4_LME_FMT 0x10
#define TYPE4_SCR_FMT 0x40
#define TYPE4_LCR_FMT 0x50
/* Mod-Exp, with a small modulus */
struct type4_sme {
struct type4_hdr header;
unsigned char message[128];
unsigned char exponent[128];
unsigned char modulus[128];
} __attribute__((packed));
/* Mod-Exp, with a large modulus */
struct type4_lme {
struct type4_hdr header;
unsigned char message[256];
unsigned char exponent[256];
unsigned char modulus[256];
} __attribute__((packed));
/* CRT, with a small modulus */
struct type4_scr {
struct type4_hdr header;
unsigned char message[128];
unsigned char dp[72];
unsigned char dq[64];
unsigned char p[72];
unsigned char q[64];
unsigned char u[72];
} __attribute__((packed));
/* CRT, with a large modulus */
struct type4_lcr {
struct type4_hdr header;
unsigned char message[256];
unsigned char dp[136];
unsigned char dq[128];
unsigned char p[136];
unsigned char q[128];
unsigned char u[136];
} __attribute__((packed));
/**
* The type 84 response family is associated with a PCICA card.
*
* Note that all unsigned char arrays are right-justified and left-padded
* with zeroes.
*
* Note that all reserved fields must be zeroes.
*/
struct type84_hdr {
unsigned char reserved1;
unsigned char code;
unsigned short len;
unsigned char reserved2[4];
} __attribute__((packed));
#define TYPE84_RSP_CODE 0x84
int zcrypt_pcica_init(void);
void zcrypt_pcica_exit(void);
#endif /* _ZCRYPT_PCICA_H_ */
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