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https://github.com/cryb-to/cryb-to.git
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253 lines
8.1 KiB
C
253 lines
8.1 KiB
C
/* RSAREF.H - header file for RSAREF cryptographic toolkit
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*/
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/* Copyright (C) RSA Laboratories, a division of RSA Data Security,
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Inc., created 1991. All rights reserved.
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*/
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#ifndef _RSAREF_H_
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#define _RSAREF_H_ 1
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#include "global.h"
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#include "md2.h"
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#include "md5.h"
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#include "des.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Message-digest algorithms.
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*/
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#define DA_MD2 3
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#define DA_MD5 5
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/* Encryption algorithms to be ored with digest algorithm in Seal and Open.
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*/
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#define EA_DES_CBC 1
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#define EA_DES_EDE2_CBC 2
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#define EA_DES_EDE3_CBC 3
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#define EA_DESX_CBC 4
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/* RSA key lengths.
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*/
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#define MIN_RSA_MODULUS_BITS 508
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#define MAX_RSA_MODULUS_BITS 1024
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#define MAX_RSA_MODULUS_LEN ((MAX_RSA_MODULUS_BITS + 7) / 8)
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#define MAX_RSA_PRIME_BITS ((MAX_RSA_MODULUS_BITS + 1) / 2)
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#define MAX_RSA_PRIME_LEN ((MAX_RSA_PRIME_BITS + 7) / 8)
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/* Maximum lengths of encoded and encrypted content, as a function of
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content length len. Also, inverse functions.
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*/
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#define ENCODED_CONTENT_LEN(len) (4*(len)/3 + 3)
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#define ENCRYPTED_CONTENT_LEN(len) ENCODED_CONTENT_LEN ((len)+8)
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#define DECODED_CONTENT_LEN(len) (3*(len)/4 + 1)
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#define DECRYPTED_CONTENT_LEN(len) (DECODED_CONTENT_LEN (len) - 1)
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/* Maximum lengths of signatures, encrypted keys, encrypted
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signatures, and message digests.
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*/
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#define MAX_SIGNATURE_LEN MAX_RSA_MODULUS_LEN
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#define MAX_PEM_SIGNATURE_LEN ENCODED_CONTENT_LEN (MAX_SIGNATURE_LEN)
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#define MAX_ENCRYPTED_KEY_LEN MAX_RSA_MODULUS_LEN
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#define MAX_PEM_ENCRYPTED_KEY_LEN ENCODED_CONTENT_LEN (MAX_ENCRYPTED_KEY_LEN)
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#define MAX_PEM_ENCRYPTED_SIGNATURE_LEN \
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ENCRYPTED_CONTENT_LEN (MAX_SIGNATURE_LEN)
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#define MAX_DIGEST_LEN 16
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/* Maximum length of Diffie-Hellman parameters.
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*/
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#define DH_PRIME_LEN(bits) (((bits) + 7) / 8)
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/* Error codes.
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*/
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#define RE_CONTENT_ENCODING 0x0400
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#define RE_DATA 0x0401
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#define RE_DIGEST_ALGORITHM 0x0402
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#define RE_ENCODING 0x0403
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#define RE_KEY 0x0404
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#define RE_KEY_ENCODING 0x0405
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#define RE_LEN 0x0406
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#define RE_MODULUS_LEN 0x0407
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#define RE_NEED_RANDOM 0x0408
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#define RE_PRIVATE_KEY 0x0409
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#define RE_PUBLIC_KEY 0x040a
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#define RE_SIGNATURE 0x040b
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#define RE_SIGNATURE_ENCODING 0x040c
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#define RE_ENCRYPTION_ALGORITHM 0x040d
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/* Random structure.
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*/
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typedef struct {
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unsigned int bytesNeeded;
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unsigned char state[16];
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unsigned int outputAvailable;
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unsigned char output[16];
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} R_RANDOM_STRUCT;
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/* RSA public and private key.
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*/
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typedef struct {
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unsigned int bits; /* length in bits of modulus */
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unsigned char modulus[MAX_RSA_MODULUS_LEN]; /* modulus */
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unsigned char exponent[MAX_RSA_MODULUS_LEN]; /* public exponent */
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} R_RSA_PUBLIC_KEY;
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typedef struct {
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unsigned int bits; /* length in bits of modulus */
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unsigned char modulus[MAX_RSA_MODULUS_LEN]; /* modulus */
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unsigned char publicExponent[MAX_RSA_MODULUS_LEN]; /* public exponent */
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unsigned char exponent[MAX_RSA_MODULUS_LEN]; /* private exponent */
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unsigned char prime[2][MAX_RSA_PRIME_LEN]; /* prime factors */
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unsigned char primeExponent[2][MAX_RSA_PRIME_LEN]; /* exponents for CRT */
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unsigned char coefficient[MAX_RSA_PRIME_LEN]; /* CRT coefficient */
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} R_RSA_PRIVATE_KEY;
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/* RSA prototype key.
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*/
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typedef struct {
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unsigned int bits; /* length in bits of modulus */
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int useFermat4; /* public exponent (1 = F4, 0 = 3) */
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} R_RSA_PROTO_KEY;
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/* Diffie-Hellman parameters.
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*/
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typedef struct {
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unsigned char *prime; /* prime */
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unsigned int primeLen; /* length of prime */
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unsigned char *generator; /* generator */
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unsigned int generatorLen; /* length of generator */
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} R_DH_PARAMS;
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typedef struct {
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int digestAlgorithm;
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union {
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MD2_CTX md2;
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MD5_CTX md5;
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} context;
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} R_DIGEST_CTX;
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typedef struct {
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R_DIGEST_CTX digestContext;
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} R_SIGNATURE_CTX;
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typedef struct {
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int encryptionAlgorithm;
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union {
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DES_CBC_CTX des;
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DES3_CBC_CTX des3;
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DESX_CBC_CTX desx;
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} cipherContext;
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unsigned char buffer[8];
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unsigned int bufferLen;
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} R_ENVELOPE_CTX;
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/* Random structures.
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*/
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int R_RandomInit PROTO_LIST ((R_RANDOM_STRUCT *));
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int R_RandomUpdate PROTO_LIST
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((R_RANDOM_STRUCT *, unsigned char *, unsigned int));
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int R_GetRandomBytesNeeded PROTO_LIST ((unsigned int *, R_RANDOM_STRUCT *));
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void R_RandomFinal PROTO_LIST ((R_RANDOM_STRUCT *));
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/* Cryptographic procedures "by parts"
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*/
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int R_DigestInit PROTO_LIST ((R_DIGEST_CTX *, int));
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int R_DigestUpdate PROTO_LIST
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((R_DIGEST_CTX *, unsigned char *, unsigned int));
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int R_DigestFinal PROTO_LIST
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((R_DIGEST_CTX *, unsigned char *, unsigned int *));
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int R_SignInit PROTO_LIST ((R_SIGNATURE_CTX *, int));
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int R_SignUpdate PROTO_LIST
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((R_SIGNATURE_CTX *, unsigned char *, unsigned int));
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int R_SignFinal PROTO_LIST
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((R_SIGNATURE_CTX *, unsigned char *, unsigned int *, R_RSA_PRIVATE_KEY *));
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int R_VerifyInit PROTO_LIST ((R_SIGNATURE_CTX *, int));
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int R_VerifyUpdate PROTO_LIST
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((R_SIGNATURE_CTX *, unsigned char *, unsigned int));
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int R_VerifyFinal PROTO_LIST
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((R_SIGNATURE_CTX *, unsigned char *, unsigned int, R_RSA_PUBLIC_KEY *));
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int R_SealInit PROTO_LIST
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((R_ENVELOPE_CTX *, unsigned char **, unsigned int *, unsigned char [8],
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unsigned int, R_RSA_PUBLIC_KEY **, int, R_RANDOM_STRUCT *));
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int R_SealUpdate PROTO_LIST
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((R_ENVELOPE_CTX *, unsigned char *, unsigned int *, unsigned char *,
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unsigned int));
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int R_SealFinal PROTO_LIST
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((R_ENVELOPE_CTX *, unsigned char *, unsigned int *));
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int R_OpenInit PROTO_LIST
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((R_ENVELOPE_CTX *, int, unsigned char *, unsigned int, unsigned char [8],
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R_RSA_PRIVATE_KEY *));
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int R_OpenUpdate PROTO_LIST
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((R_ENVELOPE_CTX *, unsigned char *, unsigned int *, unsigned char *,
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unsigned int));
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int R_OpenFinal PROTO_LIST
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((R_ENVELOPE_CTX *, unsigned char *, unsigned int *));
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/* Cryptographic enhancements by block.
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*/
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int R_SignPEMBlock PROTO_LIST
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((unsigned char *, unsigned int *, unsigned char *, unsigned int *,
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unsigned char *, unsigned int, int, int, R_RSA_PRIVATE_KEY *));
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int R_SignBlock PROTO_LIST
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((unsigned char *, unsigned int *, unsigned char *, unsigned int, int,
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R_RSA_PRIVATE_KEY *));
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int R_VerifyPEMSignature PROTO_LIST
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((unsigned char *, unsigned int *, unsigned char *, unsigned int,
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unsigned char *, unsigned int, int, int, R_RSA_PUBLIC_KEY *));
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int R_VerifyBlockSignature PROTO_LIST
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((unsigned char *, unsigned int, unsigned char *, unsigned int, int,
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R_RSA_PUBLIC_KEY *));
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int R_SealPEMBlock PROTO_LIST
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((unsigned char *, unsigned int *, unsigned char *, unsigned int *,
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unsigned char *, unsigned int *, unsigned char [8], unsigned char *,
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unsigned int, int, R_RSA_PUBLIC_KEY *, R_RSA_PRIVATE_KEY *,
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R_RANDOM_STRUCT *));
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int R_OpenPEMBlock PROTO_LIST
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((unsigned char *, unsigned int *, unsigned char *, unsigned int,
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unsigned char *, unsigned int, unsigned char *, unsigned int,
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unsigned char [8], int, R_RSA_PRIVATE_KEY *, R_RSA_PUBLIC_KEY *));
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int R_DigestBlock PROTO_LIST
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((unsigned char *, unsigned int *, unsigned char *, unsigned int, int));
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/* Printable ASCII encoding and decoding.
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*/
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int R_EncodePEMBlock PROTO_LIST
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((unsigned char *, unsigned int *, unsigned char *, unsigned int));
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int R_DecodePEMBlock PROTO_LIST
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((unsigned char *, unsigned int *, unsigned char *, unsigned int));
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/* Key-pair generation.
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*/
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int R_GeneratePEMKeys PROTO_LIST
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((R_RSA_PUBLIC_KEY *, R_RSA_PRIVATE_KEY *, R_RSA_PROTO_KEY *,
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R_RANDOM_STRUCT *));
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/* Diffie-Hellman key agreement.
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*/
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int R_GenerateDHParams PROTO_LIST
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((R_DH_PARAMS *, unsigned int, unsigned int, R_RANDOM_STRUCT *));
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int R_SetupDHAgreement PROTO_LIST
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((unsigned char *, unsigned char *, unsigned int, R_DH_PARAMS *,
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R_RANDOM_STRUCT *));
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int R_ComputeDHAgreedKey PROTO_LIST
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((unsigned char *, unsigned char *, unsigned char *, unsigned int,
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R_DH_PARAMS *));
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/* Routines supplied by the implementor.
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*/
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void R_memset PROTO_LIST ((POINTER, int, unsigned int));
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void R_memcpy PROTO_LIST ((POINTER, POINTER, unsigned int));
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int R_memcmp PROTO_LIST ((POINTER, POINTER, unsigned int));
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#ifdef __cplusplus
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}
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#endif
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#endif
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