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3e309a66f5
Definitions for CEX3 card types are changed to support 4096 bit RSA keys. Also new structs for the accelerator mode are needed. Additionaly when checking the length of key parts, the case for bigger (4096 bit) keys is needed. Signed-off-by: Felix Beck <felix.beck@de.ibm.com> Signed-off-by: Ralph Wuerthner <ralph.wuerthner@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
152 lines
4.1 KiB
C
152 lines
4.1 KiB
C
/*
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* linux/drivers/s390/crypto/zcrypt_cex2a.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_CEX2A_H_
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#define _ZCRYPT_CEX2A_H_
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/**
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* The type 50 message family is associated with a CEX2A 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 type50_hdr {
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unsigned char reserved1;
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unsigned char msg_type_code; /* 0x50 */
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unsigned short msg_len;
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unsigned char reserved2;
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unsigned char ignored;
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unsigned short reserved3;
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} __attribute__((packed));
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#define TYPE50_TYPE_CODE 0x50
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#define TYPE50_MEB1_FMT 0x0001
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#define TYPE50_MEB2_FMT 0x0002
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#define TYPE50_MEB3_FMT 0x0003
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#define TYPE50_CRB1_FMT 0x0011
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#define TYPE50_CRB2_FMT 0x0012
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#define TYPE50_CRB3_FMT 0x0013
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/* Mod-Exp, with a small modulus */
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struct type50_meb1_msg {
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struct type50_hdr header;
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unsigned short keyblock_type; /* 0x0001 */
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unsigned char reserved[6];
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unsigned char exponent[128];
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unsigned char modulus[128];
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unsigned char message[128];
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} __attribute__((packed));
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/* Mod-Exp, with a large modulus */
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struct type50_meb2_msg {
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struct type50_hdr header;
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unsigned short keyblock_type; /* 0x0002 */
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unsigned char reserved[6];
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unsigned char exponent[256];
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unsigned char modulus[256];
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unsigned char message[256];
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} __attribute__((packed));
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/* Mod-Exp, with a larger modulus */
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struct type50_meb3_msg {
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struct type50_hdr header;
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unsigned short keyblock_type; /* 0x0003 */
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unsigned char reserved[6];
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unsigned char exponent[512];
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unsigned char modulus[512];
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unsigned char message[512];
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} __attribute__((packed));
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/* CRT, with a small modulus */
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struct type50_crb1_msg {
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struct type50_hdr header;
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unsigned short keyblock_type; /* 0x0011 */
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unsigned char reserved[6];
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unsigned char p[64];
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unsigned char q[64];
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unsigned char dp[64];
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unsigned char dq[64];
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unsigned char u[64];
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unsigned char message[128];
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} __attribute__((packed));
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/* CRT, with a large modulus */
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struct type50_crb2_msg {
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struct type50_hdr header;
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unsigned short keyblock_type; /* 0x0012 */
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unsigned char reserved[6];
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unsigned char p[128];
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unsigned char q[128];
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unsigned char dp[128];
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unsigned char dq[128];
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unsigned char u[128];
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unsigned char message[256];
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} __attribute__((packed));
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/* CRT, with a larger modulus */
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struct type50_crb3_msg {
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struct type50_hdr header;
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unsigned short keyblock_type; /* 0x0013 */
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unsigned char reserved[6];
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unsigned char p[256];
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unsigned char q[256];
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unsigned char dp[256];
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unsigned char dq[256];
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unsigned char u[256];
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unsigned char message[512];
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} __attribute__((packed));
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/**
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* The type 80 response family is associated with a CEX2A 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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#define TYPE80_RSP_CODE 0x80
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struct type80_hdr {
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unsigned char reserved1;
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unsigned char type; /* 0x80 */
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unsigned short len;
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unsigned char code; /* 0x00 */
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unsigned char reserved2[3];
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unsigned char reserved3[8];
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} __attribute__((packed));
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int zcrypt_cex2a_init(void);
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void zcrypt_cex2a_exit(void);
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#endif /* _ZCRYPT_CEX2A_H_ */
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