[mirror_ubuntu-bionic-kernel.git] / 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_ */
Commit	Line	Data
963ed931	1	/*
5432114b	2	* zcrypt 2.1.0
963ed931	3	*
a53c8fab	4	* Copyright IBM Corp. 2001, 2006
963ed931 MS	5	* Author(s): Robert Burroughs
	6	* Eric Rossman (edrossma@us.ibm.com)
	7	*
	8	* Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
	9	* Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
	10	*
	11	* This program is free software; you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License as published by
	13	* the Free Software Foundation; either version 2, or (at your option)
	14	* any later version.
	15	*
	16	* This program is distributed in the hope that it will be useful,
	17	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	19	* GNU General Public License for more details.
	20	*
	21	* You should have received a copy of the GNU General Public License
	22	* along with this program; if not, write to the Free Software
	23	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	24	*/
	25
	26	#ifndef _ZCRYPT_CEX2A_H_
	27	#define _ZCRYPT_CEX2A_H_
	28
	29	/**
	30	* The type 50 message family is associated with a CEX2A card.
	31	*
	32	* The four members of the family are described below.
	33	*
	34	* Note that all unsigned char arrays are right-justified and left-padded
	35	* with zeroes.
	36	*
	37	* Note that all reserved fields must be zeroes.
	38	*/
	39	struct type50_hdr {
	40	unsigned char reserved1;
	41	unsigned char msg_type_code; /* 0x50 */
	42	unsigned short msg_len;
	43	unsigned char reserved2;
	44	unsigned char ignored;
	45	unsigned short reserved3;
	46	} __attribute__((packed));
	47
	48	#define TYPE50_TYPE_CODE 0x50
	49
	50	#define TYPE50_MEB1_FMT 0x0001
	51	#define TYPE50_MEB2_FMT 0x0002
3e309a66	52	#define TYPE50_MEB3_FMT 0x0003
963ed931 MS	53	#define TYPE50_CRB1_FMT 0x0011
963ed931 MS	54	#define TYPE50_CRB2_FMT 0x0012
3e309a66	55	#define TYPE50_CRB3_FMT 0x0013
963ed931 MS	56
	57	/* Mod-Exp, with a small modulus */
	58	struct type50_meb1_msg {
	59	struct type50_hdr header;
	60	unsigned short keyblock_type; /* 0x0001 */
	61	unsigned char reserved[6];
	62	unsigned char exponent[128];
	63	unsigned char modulus[128];
	64	unsigned char message[128];
	65	} __attribute__((packed));
	66
	67	/* Mod-Exp, with a large modulus */
	68	struct type50_meb2_msg {
	69	struct type50_hdr header;
	70	unsigned short keyblock_type; /* 0x0002 */
	71	unsigned char reserved[6];
	72	unsigned char exponent[256];
	73	unsigned char modulus[256];
	74	unsigned char message[256];
	75	} __attribute__((packed));
	76
3e309a66 FB	77	/* Mod-Exp, with a larger modulus */
	78	struct type50_meb3_msg {
	79	struct type50_hdr header;
	80	unsigned short keyblock_type; /* 0x0003 */
	81	unsigned char reserved[6];
	82	unsigned char exponent[512];
	83	unsigned char modulus[512];
	84	unsigned char message[512];
	85	} __attribute__((packed));
	86
963ed931 MS	87	/* CRT, with a small modulus */
	88	struct type50_crb1_msg {
	89	struct type50_hdr header;
	90	unsigned short keyblock_type; /* 0x0011 */
	91	unsigned char reserved[6];
	92	unsigned char p[64];
	93	unsigned char q[64];
	94	unsigned char dp[64];
	95	unsigned char dq[64];
	96	unsigned char u[64];
	97	unsigned char message[128];
	98	} __attribute__((packed));
	99
	100	/* CRT, with a large modulus */
	101	struct type50_crb2_msg {
	102	struct type50_hdr header;
	103	unsigned short keyblock_type; /* 0x0012 */
	104	unsigned char reserved[6];
	105	unsigned char p[128];
	106	unsigned char q[128];
	107	unsigned char dp[128];
	108	unsigned char dq[128];
	109	unsigned char u[128];
	110	unsigned char message[256];
	111	} __attribute__((packed));
	112
3e309a66 FB	113	/* CRT, with a larger modulus */
	114	struct type50_crb3_msg {
	115	struct type50_hdr header;
	116	unsigned short keyblock_type; /* 0x0013 */
	117	unsigned char reserved[6];
	118	unsigned char p[256];
	119	unsigned char q[256];
	120	unsigned char dp[256];
	121	unsigned char dq[256];
	122	unsigned char u[256];
	123	unsigned char message[512];
	124	} __attribute__((packed));
	125
963ed931 MS	126	/**
	127	* The type 80 response family is associated with a CEX2A card.
	128	*
	129	* Note that all unsigned char arrays are right-justified and left-padded
	130	* with zeroes.
	131	*
	132	* Note that all reserved fields must be zeroes.
	133	*/
	134
	135	#define TYPE80_RSP_CODE 0x80
	136
	137	struct type80_hdr {
	138	unsigned char reserved1;
	139	unsigned char type; /* 0x80 */
	140	unsigned short len;
	141	unsigned char code; /* 0x00 */
	142	unsigned char reserved2[3];
	143	unsigned char reserved3[8];
	144	} __attribute__((packed));
	145
	146	int zcrypt_cex2a_init(void);
	147	void zcrypt_cex2a_exit(void);
	148
	149	#endif /* _ZCRYPT_CEX2A_H_ */