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matrixssl-1-8-6-open/src/crypto/peersec/pscrypto.h  view on Meta::CPAN

	ulong32 state[4], curlen;
	unsigned char buf[64];
};

#ifdef USE_MD2
struct md2_state {
	unsigned char chksum[16], X[48], buf[16];
	unsigned long curlen;
};
#endif /* USE_MD2 */



typedef union {
	struct sha1_state	sha1;
	struct md5_state	md5;
#ifdef USE_MD2
	struct md2_state	md2;
#endif /* USE_MD2 */
} hash_state;

typedef hash_state sslSha1Context_t;
typedef hash_state sslMd5Context_t;
#ifdef USE_MD2
typedef hash_state sslMd2Context_t;
#endif /* USE_MD2 */

typedef struct {
	unsigned char	pad[64];
	union {
		sslMd5Context_t		md5;
		sslSha1Context_t	sha1;
	} u;
} sslHmacContext_t;

/******************************************************************************/
/*
	RC4
 */
#ifdef USE_ARC4
typedef struct {
	unsigned char	state[256];
	uint32	byteCount;
	unsigned char	x;
	unsigned char	y;
} rc4_key;
#endif /* USE_ARC4 */


#define SSL_DES3_KEY_LEN	24
#define SSL_DES3_IV_LEN		8
#define SSL_DES_KEY_LEN		8

#ifdef USE_3DES

typedef struct {
	ulong32 ek[3][32], dk[3][32];
} des3_key;

/*
	A block cipher CBC structure
 */
typedef struct {
	int32				blocklen;
	unsigned char		IV[8];
	des3_key			key;
	int32				explicitIV; /* 1 if yes */
} des3_CBC;

extern int32 des3_setup(const unsigned char *key, int32 keylen, int32 num_rounds,
		 des3_CBC *skey);
extern void des3_ecb_encrypt(const unsigned char *pt, unsigned char *ct,
		 des3_CBC *key);
extern void des3_ecb_decrypt(const unsigned char *ct, unsigned char *pt,
		 des3_CBC *key);
extern int32 des3_keysize(int32 *desired_keysize);

extern int32 des_setup(const unsigned char *key, int32 keylen, int32 num_rounds,
		 des3_CBC *skey);
extern void des_ecb_encrypt(const unsigned char *pt, unsigned char *ct,
		 des3_CBC *key);
extern void des_ecb_decrypt(const unsigned char *ct, unsigned char *pt,
		 des3_CBC *key);

#endif /* USE_3DES */

typedef union {
#ifdef USE_ARC4
	rc4_key		arc4;
#endif
#ifdef USE_3DES
	des3_CBC	des3;
#endif
} sslCipherContext_t;


/*
	Controls endianess and size of registers.  Leave uncommented to get
	platform neutral [slower] code detect x86-32 machines somewhat
 */
#if (defined(_MSC_VER) && defined(WIN32)) || (defined(__GNUC__) && (defined(__DJGPP__) || defined(__CYGWIN__) || defined(__MINGW32__) || defined(__i386__)))
	#define ENDIAN_LITTLE
	#define ENDIAN_32BITWORD
#endif


/* #define ENDIAN_LITTLE */
/* #define ENDIAN_BIG */

/* #define ENDIAN_32BITWORD */
/* #define ENDIAN_64BITWORD */

#if (defined(ENDIAN_BIG) || defined(ENDIAN_LITTLE)) && !(defined(ENDIAN_32BITWORD) || defined(ENDIAN_64BITWORD))
		#error You must specify a word size as well as endianess
#endif

#if !(defined(ENDIAN_BIG) || defined(ENDIAN_LITTLE))
	#define ENDIAN_NEUTRAL
#endif

/*
	helper macros
 */
#if defined (ENDIAN_NEUTRAL)

#define STORE32L(x, y)                                                                     \
     { (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255);   \
       (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }

#define LOAD32L(x, y)                            \
     { x = ((unsigned long)((y)[3] & 255)<<24) | \
           ((unsigned long)((y)[2] & 255)<<16) | \
           ((unsigned long)((y)[1] & 255)<<8)  | \
           ((unsigned long)((y)[0] & 255)); }

#define STORE64L(x, y)                                                                     \
     { (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255);   \
       (y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255);   \
       (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255);   \
       (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }

#define LOAD64L(x, y)                                                       \
     { x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48)| \
           (((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32)| \
           (((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16)| \
           (((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); }

#define STORE32H(x, y)                                                                     \
     { (y)[0] = (unsigned char)(((x)>>24)&255); (y)[1] = (unsigned char)(((x)>>16)&255);   \
       (y)[2] = (unsigned char)(((x)>>8)&255); (y)[3] = (unsigned char)((x)&255); }

#define LOAD32H(x, y)                            \