?? rsaeuro.h
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/**********************************************************************/
/* 安 全 驗 證 服 務 客 戶 端 （Unix） */
/* */
/* 作 者 ：羅小江 */
/* 2001年11月 于 南京 */
/* */
/************************************************* ********************/
#ifndef _RSAEURO_H_
#define _RSAEURO_H_
#include <string.h>
#include "global.h"
#include "md2.h"
#include "md4.h"
#include "md5.h"
#include "shs.h"
#include "nn.h"
#include "des.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Message-digest algorithms. */
#define DA_MD2 2
#define DA_MD4 4
#define DA_MD5 5
#define DA_SHS 3
/* Encryption algorithms to be ored with digest algorithm in Seal and Open. */
#define EA_DES_CBC 1
#define EA_DES_EDE2_CBC 2
#define EA_DES_EDE3_CBC 3
#define EA_DESX_CBC 4
/* RSA key lengths. */
#define MIN_RSA_MODULUS_BITS 508
/*
PGP 2.6.2 Now allows 2048-bit keys changing below will allow this.
It does lengthen key generation slightly if the value is increased.
*/
#define MAX_RSA_MODULUS_BITS 1024
#define MAX_RSA_MODULUS_LEN ((MAX_RSA_MODULUS_BITS + 7) / 8)
#define MAX_RSA_PRIME_BITS ((MAX_RSA_MODULUS_BITS + 1) / 2)
#define MAX_RSA_PRIME_LEN ((MAX_RSA_PRIME_BITS + 7) / 8)
/* Maximum lengths of encoded and encrypted content, as a function of
content length len. Also, inverse functions. */
#define ENCODED_CONTENT_LEN(len) (4*(len)/3 + 3)
#define ENCRYPTED_CONTENT_LEN(len) ENCODED_CONTENT_LEN ((len)+8)
#define DECODED_CONTENT_LEN(len) (3*(len)/4 + 1)
#define DECRYPTED_CONTENT_LEN(len) (DECODED_CONTENT_LEN (len) - 1)
/* Maximum lengths of signatures, encrypted keys, encrypted
signatures, and message digests. */
#define MAX_SIGNATURE_LEN MAX_RSA_MODULUS_LEN
#define MAX_PEM_SIGNATURE_LEN ENCODED_CONTENT_LEN(MAX_SIGNATURE_LEN)
#define MAX_ENCRYPTED_KEY_LEN MAX_RSA_MODULUS_LEN
#define MAX_PEM_ENCRYPTED_KEY_LEN ENCODED_CONTENT_LEN(MAX_ENCRYPTED_KEY_LEN)
#define MAX_PEM_ENCRYPTED_SIGNATURE_LEN ENCRYPTED_CONTENT_LEN(MAX_SIGNATURE_LEN)
#define MAX_DIGEST_LEN 20
/* Maximum length of Diffie-Hellman parameters. */
#define DH_PRIME_LEN(bits) (((bits) + 7) / 8)
/* Error codes. */
#define RE_CONTENT_ENCODING 0x0400
#define RE_DATA 0x0401
#define RE_DIGEST_ALGORITHM 0x0402
#define RE_ENCODING 0x0403
#define RE_KEY 0x0404
#define RE_KEY_ENCODING 0x0405
#define RE_LEN 0x0406
#define RE_MODULUS_LEN 0x0407
#define RE_NEED_RANDOM 0x0408
#define RE_PRIVATE_KEY 0x0409
#define RE_PUBLIC_KEY 0x040a
#define RE_SIGNATURE 0x040b
#define RE_SIGNATURE_ENCODING 0x040c
#define RE_ENCRYPTION_ALGORITHM 0x040d
#define RE_FILE 0x040e
/* Library details. */
#define RSAEURO_VER_MAJ 1
#define RSAEURO_VER_MIN 04
#define RSAEURO_IDENT "RSAEURO Toolkit"
#define RSAEURO_DATE "21/08/94"
/* Internal Error Codes */
/* IDOK and IDERROR changed to ID_OK and ID_ERROR */
#define ID_OK 0
#define ID_ERROR 1
/* Internal defs. */
#define TRUE 1
#define FALSE 0
/* Algorithm IDs */
#define IA_MD2 0x00000001
#define IA_MD4 0x00000002
#define IA_MD5 0x00000004
#define IA_SHS 0x00000008
#define IA_DES_CBC 0x00000010
#define IA_DES_EDE2_CBC 0x00000020
#define IA_DES_EDE3_CBC 0x00000040
#define IA_DESX_CBC 0x00000080
#define IA_RSA 0x00010000
#define IA_DH 0x00020000
#define IA_FLAGS (IA_MD2|IA_MD4|IA_MD5|IA_SHS|IA_DES_CBC|IA_DES_EDE2_CBC|IA_DES_EDE3_CBC|IA_DESX_CBC|IA_RSA|IA_DH)
/* RSAEuro Info Structure */
typedef struct {
unsigned short int Version; /* RSAEuro Version */
unsigned int flags; /* Version Flags */
unsigned char ManufacturerID[32]; /* Toolkit ID */
unsigned int Algorithms; /* Algorithms Supported */
} RSAEUROINFO;
/* Random structure. */
typedef struct {
unsigned int bytesNeeded; /* seed bytes required */
unsigned char state[16]; /* state of object */
unsigned int outputAvailable; /* number byte available */
unsigned char output[16]; /* output bytes */
} R_RANDOM_STRUCT;
/* RSA public and private key. */
typedef struct {
unsigned short int bits; /* length in bits of modulus */
unsigned char modulus[MAX_RSA_MODULUS_LEN]; /* modulus */
unsigned char exponent[MAX_RSA_MODULUS_LEN]; /* public exponent */
} R_RSA_PUBLIC_KEY;
typedef struct {
unsigned short int bits; /* length in bits of modulus */
unsigned char modulus[MAX_RSA_MODULUS_LEN]; /* modulus */
unsigned char publicExponent[MAX_RSA_MODULUS_LEN]; /* public exponent */
unsigned char exponent[MAX_RSA_MODULUS_LEN]; /* private exponent */
unsigned char prime[2][MAX_RSA_PRIME_LEN]; /* prime factors */
unsigned char primeExponent[2][MAX_RSA_PRIME_LEN]; /* exponents for CRT */
unsigned char coefficient[MAX_RSA_PRIME_LEN]; /* CRT coefficient */
} R_RSA_PRIVATE_KEY;
/* RSA prototype key. */
typedef struct {
unsigned int bits; /* length in bits of modulus */
int useFermat4; /* public exponent (1 = F4, 0 = 3) */
} R_RSA_PROTO_KEY;
/* Diffie-Hellman parameters. */
typedef struct {
unsigned char *prime; /* prime */
unsigned int primeLen; /* length of prime */
unsigned char *generator; /* generator */
unsigned int generatorLen; /* length of generator */
} R_DH_PARAMS;
/* digest algorithm context */
typedef struct {
int digestAlgorithm; /* digest type */
union { /* digest sub-context */
MD2_CTX md2;
MD4_CTX md4;
MD5_CTX md5;
SHS_CTX shs;
} context;
} R_DIGEST_CTX;
/* signature context */
typedef struct {
R_DIGEST_CTX digestContext;
} R_SIGNATURE_CTX;
/* envelope context */
typedef struct {
int encryptionAlgorithm; /* encryption type */
union { /* encryption sub-context */
DES_CBC_CTX des;
DES3_CBC_CTX des3;
DESX_CBC_CTX desx;
} cipherContext;
unsigned char buffer[8]; /* data buffer */
unsigned int bufferLen; /* buffer length */
} R_ENVELOPE_CTX;
/* Random Structures Routines. */
int R_RandomInit PROTO_LIST ((R_RANDOM_STRUCT *));
int R_RandomUpdate PROTO_LIST ((R_RANDOM_STRUCT *, unsigned char *, unsigned int));
int R_GetRandomBytesNeeded PROTO_LIST ((unsigned int *, R_RANDOM_STRUCT *));
void R_RandomFinal PROTO_LIST ((R_RANDOM_STRUCT *));
void R_RandomCreate PROTO_LIST ((R_RANDOM_STRUCT *random));
void R_RandomMix PROTO_LIST ((R_RANDOM_STRUCT *random));
int R_GenerateBytes(unsigned char *block, unsigned int len,
R_RANDOM_STRUCT *random);
/* Cryptographic procedures. */
int R_DigestInit PROTO_LIST ((R_DIGEST_CTX *, int));
int R_DigestUpdate PROTO_LIST ((R_DIGEST_CTX *, unsigned char *,
unsigned int));
int R_DigestFinal PROTO_LIST ((R_DIGEST_CTX *, unsigned char *,
unsigned int *));
int R_SignInit PROTO_LIST ((R_SIGNATURE_CTX *, int));
int R_SignUpdate PROTO_LIST ((R_SIGNATURE_CTX *, unsigned char *,
unsigned int));
int R_SignFinal PROTO_LIST ((R_SIGNATURE_CTX *, unsigned char *,
unsigned int *, R_RSA_PRIVATE_KEY *));
int R_VerifyInit PROTO_LIST ((R_SIGNATURE_CTX *, int));
int R_VerifyUpdate PROTO_LIST ((R_SIGNATURE_CTX *, unsigned char *,
unsigned int));
int R_VerifyFinal PROTO_LIST ((R_SIGNATURE_CTX *, unsigned char *,
unsigned int, R_RSA_PUBLIC_KEY *));
int R_SealInit PROTO_LIST ((R_ENVELOPE_CTX *, unsigned char **, unsigned int *, unsigned char [8],
unsigned int, R_RSA_PUBLIC_KEY **, int, R_RANDOM_STRUCT *));
int R_SealUpdate PROTO_LIST ((R_ENVELOPE_CTX *, unsigned char *,
unsigned int *, unsigned char *, unsigned int));
int R_SealFinal PROTO_LIST ((R_ENVELOPE_CTX *, unsigned char *,
unsigned int *));
int R_OpenInit PROTO_LIST ((R_ENVELOPE_CTX *, int, unsigned char *,
unsigned int, unsigned char [8], R_RSA_PRIVATE_KEY *));
int R_OpenUpdate PROTO_LIST ((R_ENVELOPE_CTX *, unsigned char *,
unsigned int *, unsigned char *, unsigned int));
int R_OpenFinal PROTO_LIST ((R_ENVELOPE_CTX *, unsigned char *,
unsigned int *));
/* Cryptographic enhancements. */
int R_SignPEMBlock PROTO_LIST ((unsigned char *, unsigned int *, unsigned char *, unsigned int *,
unsigned char *, unsigned int, int, int, R_RSA_PRIVATE_KEY *));
int R_SignBlock PROTO_LIST ((unsigned char *, unsigned int *, unsigned char *, unsigned int, int,
R_RSA_PRIVATE_KEY *));
int R_VerifyPEMSignature PROTO_LIST ((unsigned char *, unsigned int *, unsigned char *, unsigned int,
unsigned char *, unsigned int, int, int, R_RSA_PUBLIC_KEY *));
int R_VerifyBlockSignature PROTO_LIST ((unsigned char *, unsigned int,
unsigned char *, unsigned int, int, R_RSA_PUBLIC_KEY *));
int R_SealPEMBlock PROTO_LIST ((unsigned char *, unsigned int *, unsigned char *, unsigned int *,
unsigned char *, unsigned int *, unsigned char [8], unsigned char *,
unsigned int, int, R_RSA_PUBLIC_KEY *, R_RSA_PRIVATE_KEY *,
R_RANDOM_STRUCT *));
int R_OpenPEMBlock PROTO_LIST ((unsigned char *, unsigned int *, unsigned char *, unsigned int,
unsigned char *, unsigned int, unsigned char *, unsigned int,
unsigned char [8], int, R_RSA_PRIVATE_KEY *, R_RSA_PUBLIC_KEY *));
int R_DigestBlock PROTO_LIST ((unsigned char *, unsigned int *,
unsigned char *, unsigned int, int));
int R_DecryptOpenPEMBlock PROTO_LIST ((R_ENVELOPE_CTX *, unsigned char *,
unsigned int *, unsigned char *, unsigned int));
int R_EncryptOpenPEMBlock PROTO_LIST ((R_ENVELOPE_CTX *, unsigned char *,
unsigned int *, unsigned char *, unsigned int));
/* Printable ASCII encoding and decoding. */
int R_EncodePEMBlock PROTO_LIST ((unsigned char *, unsigned int *,
unsigned char *, unsigned int));
int R_DecodePEMBlock PROTO_LIST ((unsigned char *, unsigned int *,
unsigned char *, unsigned int));
/* Key-pair generation. */
int R_GeneratePEMKeys PROTO_LIST ((R_RSA_PUBLIC_KEY *, R_RSA_PRIVATE_KEY *,
R_RSA_PROTO_KEY *, R_RANDOM_STRUCT *));
/* Diffie-Hellman key agreement. */
int R_GenerateDHParams PROTO_LIST ((R_DH_PARAMS *, unsigned int,
unsigned int, R_RANDOM_STRUCT *));
int R_SetupDHAgreement PROTO_LIST ((unsigned char *, unsigned char *,
unsigned int, R_DH_PARAMS *, R_RANDOM_STRUCT *));
int R_ComputeDHAgreedKey PROTO_LIST ((unsigned char *, unsigned char *,
unsigned char *, unsigned int, R_DH_PARAMS *));
/* Standard library routines. */
#ifdef USE_ANSI
#define R_memset(x, y, z) memset(x, y, z)
#define R_memcpy(x, y, z) memcpy(x, y, z)
#define R_memcmp(x, y, z) memcmp(x, y, z)
#else
void R_memset PROTO_LIST ((POINTER, int, unsigned int));
void R_memcpy PROTO_LIST ((POINTER, POINTER, unsigned int));
int R_memcmp PROTO_LIST ((POINTER, POINTER, unsigned int));
#endif
#ifdef __cplusplus
}
#endif
#endif /* _RSAEURO_H_ */
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