/* SPDX-License-Identifier: GPL-2.0+ */ /* * 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> */ #ifndef _ZCRYPT_CEX2A_H_ #define _ZCRYPT_CEX2A_H_ /** * The type 50 message family is associated with CEXxA cards. * * 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; } __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]; } __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]; } __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]; } __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]; } __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]; } __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]; } __packed; /** * The type 80 response family is associated with a CEXxA cards. * * 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]; } __packed; int zcrypt_cex2a_init(void); void zcrypt_cex2a_exit(void); #endif /* _ZCRYPT_CEX2A_H_ */