5432114baf
Allow the user space to send extended cprb messages directly to the PCIXCC / CEX2C cards. This allows the CCA library to construct special crypto requests that use "secure" keys that are stored on the card. Signed-off-by: Ralph Wuerthner <rwuerthn@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
127 lines
3.4 KiB
C
127 lines
3.4 KiB
C
/*
|
|
* linux/drivers/s390/crypto/zcrypt_cex2a.h
|
|
*
|
|
* zcrypt 2.1.0
|
|
*
|
|
* 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_CEX2A_H_
|
|
#define _ZCRYPT_CEX2A_H_
|
|
|
|
/**
|
|
* The type 50 message family is associated with a CEX2A 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 type50_hdr {
|
|
unsigned char reserved1;
|
|
unsigned char msg_type_code; /* 0x50 */
|
|
unsigned short msg_len;
|
|
unsigned char reserved2;
|
|
unsigned char ignored;
|
|
unsigned short reserved3;
|
|
} __attribute__((packed));
|
|
|
|
#define TYPE50_TYPE_CODE 0x50
|
|
|
|
#define TYPE50_MEB1_FMT 0x0001
|
|
#define TYPE50_MEB2_FMT 0x0002
|
|
#define TYPE50_CRB1_FMT 0x0011
|
|
#define TYPE50_CRB2_FMT 0x0012
|
|
|
|
/* Mod-Exp, with a small modulus */
|
|
struct type50_meb1_msg {
|
|
struct type50_hdr header;
|
|
unsigned short keyblock_type; /* 0x0001 */
|
|
unsigned char reserved[6];
|
|
unsigned char exponent[128];
|
|
unsigned char modulus[128];
|
|
unsigned char message[128];
|
|
} __attribute__((packed));
|
|
|
|
/* Mod-Exp, with a large modulus */
|
|
struct type50_meb2_msg {
|
|
struct type50_hdr header;
|
|
unsigned short keyblock_type; /* 0x0002 */
|
|
unsigned char reserved[6];
|
|
unsigned char exponent[256];
|
|
unsigned char modulus[256];
|
|
unsigned char message[256];
|
|
} __attribute__((packed));
|
|
|
|
/* CRT, with a small modulus */
|
|
struct type50_crb1_msg {
|
|
struct type50_hdr header;
|
|
unsigned short keyblock_type; /* 0x0011 */
|
|
unsigned char reserved[6];
|
|
unsigned char p[64];
|
|
unsigned char q[64];
|
|
unsigned char dp[64];
|
|
unsigned char dq[64];
|
|
unsigned char u[64];
|
|
unsigned char message[128];
|
|
} __attribute__((packed));
|
|
|
|
/* CRT, with a large modulus */
|
|
struct type50_crb2_msg {
|
|
struct type50_hdr header;
|
|
unsigned short keyblock_type; /* 0x0012 */
|
|
unsigned char reserved[6];
|
|
unsigned char p[128];
|
|
unsigned char q[128];
|
|
unsigned char dp[128];
|
|
unsigned char dq[128];
|
|
unsigned char u[128];
|
|
unsigned char message[256];
|
|
} __attribute__((packed));
|
|
|
|
/**
|
|
* The type 80 response family is associated with a CEX2A card.
|
|
*
|
|
* Note that all unsigned char arrays are right-justified and left-padded
|
|
* with zeroes.
|
|
*
|
|
* Note that all reserved fields must be zeroes.
|
|
*/
|
|
|
|
#define TYPE80_RSP_CODE 0x80
|
|
|
|
struct type80_hdr {
|
|
unsigned char reserved1;
|
|
unsigned char type; /* 0x80 */
|
|
unsigned short len;
|
|
unsigned char code; /* 0x00 */
|
|
unsigned char reserved2[3];
|
|
unsigned char reserved3[8];
|
|
} __attribute__((packed));
|
|
|
|
int zcrypt_cex2a_init(void);
|
|
void zcrypt_cex2a_exit(void);
|
|
|
|
#endif /* _ZCRYPT_CEX2A_H_ */
|