/* RSAREF.H - header file for RSAREF cryptographic toolkit */#ifndef _RSAREF_H_#define _RSAREF_H_ 1#ifdef __cplusplusextern "C" {#endif#ifndef PROTOTYPES#define PROTOTYPES 1#endiftypedef unsigned char *POINTER;/* POINTER defines a generic pointer type */typedef unsigned short int UINT2;/* UINT2 defines a two byte word */typedef unsigned long int UINT4;/* UINT4 defines a four byte word */#ifndef NULL_PTR#define NULL_PTR ((POINTER)0)#endif#ifndef UNUSED_ARG#define UNUSED_ARG(x) x = *(&x);#endif#if PROTOTYPES#define PROTO_LIST(list) list#else#define PROTO_LIST(list) ()#endif#define NN_DIGIT		UINT4#define NN_HALF_DIGIT	UINT2/* RSA key lengths. */#define MIN_RSA_MODULUS_BITS 508#define MAX_RSA_MODULUS_BITS 2048#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 length of Diffie-Hellman parameters. */#define DH_PRIME_LEN(bits) (((bits) + 7) / 8)/* Random structure. */typedef struct {  unsigned int bytesNeeded;  unsigned char state[16];  unsigned int outputAvailable;  unsigned char output[16];} R_RANDOM_STRUCT;/* RSA public and private key. */typedef struct {  unsigned 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 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;/* LOCAL_MD5 context. */typedef struct {  UINT4 state[4];                                   /* state (ABCD) */  UINT4 count[2];        /* number of bits, modulo 2^64 (lsb first) */  unsigned char buffer[64];                         /* input buffer */} LOCAL_MD5_CTX;void LOCAL_MD5Init PROTO_LIST ((LOCAL_MD5_CTX *));void LOCAL_MD5Update PROTO_LIST ((LOCAL_MD5_CTX *, unsigned char *, unsigned int));void LOCAL_MD5Final PROTO_LIST ((unsigned char [16], LOCAL_MD5_CTX *));/* Random structures. */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 *));/* 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 *));/* *RSA function */int RSAPublicEncrypt PROTO_LIST   ((unsigned char *, unsigned int *, unsigned char *, unsigned int,R_RSA_PUBLIC_KEY *, R_RANDOM_STRUCT *));int RSAPrivateEncrypt PROTO_LIST  ((unsigned char *, unsigned int *, unsigned char *, unsigned int,R_RSA_PRIVATE_KEY *));int RSAPublicDecrypt PROTO_LIST   ((unsigned char *, unsigned int *, unsigned char *, unsigned int,R_RSA_PUBLIC_KEY *));int RSAPrivateDecrypt PROTO_LIST  ((unsigned char *, unsigned int *, unsigned char *, unsigned int,R_RSA_PRIVATE_KEY *));/* 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 *));/* *Random function */int R_GenerateBytes PROTO_LIST ((unsigned char *, unsigned int, R_RANDOM_STRUCT *));/* * Prime function */int GeneratePrime PROTO_LIST  ((NN_DIGIT *, NN_DIGIT *, NN_DIGIT *, NN_DIGIT *, unsigned int, R_RANDOM_STRUCT *));/* * Digit function */void NN_DigitMult PROTO_LIST ((NN_DIGIT[2], NN_DIGIT, NN_DIGIT));void NN_DigitDiv PROTO_LIST ((NN_DIGIT *, NN_DIGIT[2], NN_DIGIT));/* Routines supplied by the implementor. */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));/* 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#ifdef __cplusplus}#endif#endif