cregit-Linux how code gets into the kernel

Release 4.11 drivers/s390/crypto/zcrypt_cex2a.h

/*
 *  zcrypt 2.1.0
 *
 *  Copyright IBM Corp. 2001, 2006
 *  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_MEB3_FMT		0x0003

#define TYPE50_CRB1_FMT		0x0011

#define TYPE50_CRB2_FMT		0x0012

#define TYPE50_CRB3_FMT		0x0013

/* 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));

/* Mod-Exp, with a larger modulus */

struct type50_meb3_msg {
	
struct type50_hdr header;
	
unsigned short	keyblock_type;	/* 0x0003 */
	
unsigned char	reserved[6];
	
unsigned char	exponent[512];
	
unsigned char	modulus[512];
	
unsigned char	message[512];
} __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));

/* CRT, with a larger modulus */

struct type50_crb3_msg {
	
struct type50_hdr header;
	
unsigned short	keyblock_type;	/* 0x0013 */
	
unsigned char	reserved[6];
	
unsigned char	p[256];
	
unsigned char	q[256];
	
unsigned char	dp[256];
	
unsigned char	dq[256];
	
unsigned char	u[256];
	
unsigned char	message[512];
} __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_ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Martin Schwidefsky36473.98%133.33%
Felix Beck12725.81%133.33%
Heiko Carstens10.20%133.33%
Total492100.00%3100.00%
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