crypt_blowfish.c File Reference

#include <string.h>
#include <errno.h>
#include "crypt_blowfish.h"

Go to the source code of this file.

Data Structures
struct	BF_ctx

Macros
#define	__set_errno(val)
#define	BF_SCALE   0
#define	BF_N   16
#define	BF_safe_atoi64(dst, src)
#define	BF_INDEX(S, i)
#define	BF_ROUND(L, R, N)
#define	BF_ENCRYPT
#define	BF_body()

Typedefs
typedef unsigned int	BF_word
typedef signed int	BF_word_signed
typedef BF_word	BF_key[BF_N+2]

Functions
char *	php_crypt_blowfish_rn (const char *key, const char *setting, char *output, int size)

Macro Definition Documentation

__set_errno

#define __set_errno

(

val

)

Value:

errno = (val)

Definition at line 50 of file crypt_blowfish.c.

BF_body

#define BF_body

(

)

Value:

    L = R = 0; \
    ptr = data.ctx.P; \
    do { \
        ptr += 2; \
        BF_ENCRYPT; \
        *(ptr - 2) = L; \
        *(ptr - 1) = R; \
    } while (ptr < &data.ctx.P[BF_N + 2]); \
\
    ptr = data.ctx.S[0]; \
    do { \
        ptr += 2; \
        BF_ENCRYPT; \
        *(ptr - 2) = L; \
        *(ptr - 1) = R; \
    } while (ptr < &data.ctx.S[3][0xFF]);

Definition at line 515 of file crypt_blowfish.c.

BF_ENCRYPT

#define BF_ENCRYPT

Value:

    L ^= data.ctx.P[0]; \
    BF_ROUND(L, R, 0); \
    BF_ROUND(R, L, 1); \
    BF_ROUND(L, R, 2); \
    BF_ROUND(R, L, 3); \
    BF_ROUND(L, R, 4); \
    BF_ROUND(R, L, 5); \
    BF_ROUND(L, R, 6); \
    BF_ROUND(R, L, 7); \
    BF_ROUND(L, R, 8); \
    BF_ROUND(R, L, 9); \
    BF_ROUND(L, R, 10); \
    BF_ROUND(R, L, 11); \
    BF_ROUND(L, R, 12); \
    BF_ROUND(R, L, 13); \
    BF_ROUND(L, R, 14); \
    BF_ROUND(R, L, 15); \
    tmp4 = R; \
    R = L; \
    L = tmp4 ^ data.ctx.P[BF_N + 1];

Definition at line 493 of file crypt_blowfish.c.

BF_INDEX

#define BF_INDEX	(		S,
			i )

Value:

    (*((BF_word *)(((unsigned char *)S) + (i))))

Definition at line 469 of file crypt_blowfish.c.

BF_N

#define BF_N   16

Definition at line 66 of file crypt_blowfish.c.

BF_ROUND

#define BF_ROUND	(		L,
			R,
			N )

Value:

    tmp1 = L & 0xFF; \
    tmp1 <<= 2; \
    tmp2 = L >> 6; \
    tmp2 &= 0x3FC; \
    tmp3 = L >> 14; \
    tmp3 &= 0x3FC; \
    tmp4 = L >> 22; \
    tmp4 &= 0x3FC; \
    tmp1 = BF_INDEX(data.ctx.S[3], tmp1); \
    tmp2 = BF_INDEX(data.ctx.S[2], tmp2); \
    tmp3 = BF_INDEX(data.ctx.S[1], tmp3); \
    tmp3 += BF_INDEX(data.ctx.S[0], tmp4); \
    tmp3 ^= tmp2; \
    R ^= data.ctx.P[N + 1]; \
    tmp3 += tmp1; \
    R ^= tmp3;

Definition at line 471 of file crypt_blowfish.c.

BF_safe_atoi64

#define BF_safe_atoi64	(		dst,
			src )

Value:

{ \
    tmp = (unsigned char)(src); \
    if ((unsigned int)(tmp -= 0x20) >= 0x60) return -1; \
    tmp = BF_atoi64[tmp]; \
    if (tmp > 63) return -1; \
    (dst) = tmp; \
}

Definition at line 371 of file crypt_blowfish.c.

BF_SCALE

#define BF_SCALE   0

Definition at line 59 of file crypt_blowfish.c.

Typedef Documentation

BF_key

typedef BF_word BF_key[BF_N+2]

Definition at line 68 of file crypt_blowfish.c.

BF_word

typedef unsigned int BF_word

Definition at line 62 of file crypt_blowfish.c.

BF_word_signed

typedef signed int BF_word_signed

Definition at line 63 of file crypt_blowfish.c.

Function Documentation

php_crypt_blowfish_rn()

char * php_crypt_blowfish_rn	(	const char *	key,
		const char *	setting,
		char *	output,
		int	size )

Definition at line 803 of file crypt_blowfish.c.