mirror of https://gitee.com/openkylin/linux.git
135 lines
3.3 KiB
C
135 lines
3.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright IBM Corp. 2001, 2006
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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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#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 CEXxA cards.
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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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} __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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} __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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} __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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} __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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} __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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} __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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} __packed;
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/**
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* The type 80 response family is associated with a CEXxA cards.
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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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} __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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