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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>
118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
/*
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* linux/drivers/s390/crypto/zcrypt_pcica.h
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*
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* zcrypt 2.1.0
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*
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* Copyright (C) 2001, 2006 IBM Corporation
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* Author(s): Robert Burroughs
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* Eric Rossman (edrossma@us.ibm.com)
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*
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* Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
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* Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _ZCRYPT_PCICA_H_
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#define _ZCRYPT_PCICA_H_
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/**
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* The type 4 message family is associated with a PCICA card.
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*
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* The four members of the family are described below.
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*
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* Note that all unsigned char arrays are right-justified and left-padded
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* with zeroes.
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*
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* Note that all reserved fields must be zeroes.
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*/
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struct type4_hdr {
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unsigned char reserved1;
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unsigned char msg_type_code; /* 0x04 */
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unsigned short msg_len;
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unsigned char request_code; /* 0x40 */
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unsigned char msg_fmt;
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unsigned short reserved2;
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} __attribute__((packed));
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#define TYPE4_TYPE_CODE 0x04
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#define TYPE4_REQU_CODE 0x40
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#define TYPE4_SME_FMT 0x00
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#define TYPE4_LME_FMT 0x10
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#define TYPE4_SCR_FMT 0x40
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#define TYPE4_LCR_FMT 0x50
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/* Mod-Exp, with a small modulus */
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struct type4_sme {
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struct type4_hdr header;
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unsigned char message[128];
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unsigned char exponent[128];
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unsigned char modulus[128];
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} __attribute__((packed));
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/* Mod-Exp, with a large modulus */
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struct type4_lme {
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struct type4_hdr header;
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unsigned char message[256];
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unsigned char exponent[256];
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unsigned char modulus[256];
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} __attribute__((packed));
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/* CRT, with a small modulus */
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struct type4_scr {
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struct type4_hdr header;
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unsigned char message[128];
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unsigned char dp[72];
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unsigned char dq[64];
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unsigned char p[72];
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unsigned char q[64];
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unsigned char u[72];
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} __attribute__((packed));
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/* CRT, with a large modulus */
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struct type4_lcr {
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struct type4_hdr header;
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unsigned char message[256];
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unsigned char dp[136];
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unsigned char dq[128];
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unsigned char p[136];
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unsigned char q[128];
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unsigned char u[136];
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} __attribute__((packed));
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/**
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* The type 84 response family is associated with a PCICA card.
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*
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* Note that all unsigned char arrays are right-justified and left-padded
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* with zeroes.
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*
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* Note that all reserved fields must be zeroes.
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*/
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struct type84_hdr {
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unsigned char reserved1;
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unsigned char code;
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unsigned short len;
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unsigned char reserved2[4];
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} __attribute__((packed));
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#define TYPE84_RSP_CODE 0x84
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int zcrypt_pcica_init(void);
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void zcrypt_pcica_exit(void);
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#endif /* _ZCRYPT_PCICA_H_ */
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