#include <limits.h>#include <stdio.h>

Go to the source code of this file.
Data Structures | |
| union | C_block |
Defines | |
| #define | _PASSWORD_EFMT1 '_' |
| #define | MUST_ALIGN |
| #define | LONG_IS_32_BITS |
| #define | STATIC static |
| #define | TO_SIX_BIT(rslt, src) |
| #define | ZERO(d, d0, d1) d0 = 0, d1 = 0 |
| #define | LOAD(d, d0, d1, bl) d0 = (bl).b32.i0, d1 = (bl).b32.i1 |
| #define | LOADREG(d, d0, d1, s, s0, s1) d0 = s0, d1 = s1 |
| #define | OR(d, d0, d1, bl) d0 |= (bl).b32.i0, d1 |= (bl).b32.i1 |
| #define | STORE(s, s0, s1, bl) (bl).b32.i0 = s0, (bl).b32.i1 = s1 |
| #define | DCL_BLOCK(d, d0, d1) long d0, d1 |
| #define | LGCHUNKBITS 2 |
| #define | CHUNKBITS (1<<LGCHUNKBITS) |
| #define | PERM6464(d, d0, d1, cpp, p) { C_block tblk; permute(cpp,&tblk,p,8); LOAD (d,d0,d1,tblk); } |
| #define | PERM3264(d, d0, d1, cpp, p) { C_block tblk; permute(cpp,&tblk,p,4); LOAD (d,d0,d1,tblk); } |
| #define | KS_SIZE 16 |
| #define | SALT salt |
| #define | SPTAB(t, i) (*(long *)((unsigned char *)t + i*(sizeof(long)/4))) |
| #define | DOXOR(x, y, i) k=B.b[i]; x^=SPTAB(SPE[0][i],k); y^=SPTAB(SPE[1][i],k); |
| #define | CRUNCH(p0, p1, q0, q1) |
Functions | |
| int | des_setkey () |
| int | des_cipher () |
| STATIC void | init_des () |
| STATIC void | init_perm () |
| STATIC void | permute () |
| STATIC void | permute (unsigned char *cp, C_block *out, C_block *p, int chars_in) |
| char * | crypt (const char *key, const char *setting) |
| int | des_setkey (const char *key) |
| int | des_cipher (char *in, char *out, long salt, int num_iter) const |
| STATIC void | init_perm (perm, p, int chars_in, int chars_out) |
| int | setkey (const char *key) |
| int | encrypt (char *block, int flag) |
Variables | |
| static unsigned char | IP [] |
| static unsigned char | ExpandTr [] |
| static unsigned char | PC1 [] |
| static unsigned char | Rotates [] |
| static unsigned char | PC2 [] |
| static unsigned char | S [8][64] |
| static unsigned char | P32Tr [] |
| static unsigned char | CIFP [] |
| static unsigned char | itoa64 [] |
| static unsigned char | a64toi [128] |
| static C_block | PC1ROT [64/CHUNKBITS][1<< CHUNKBITS] |
| static C_block | PC2ROT [2][64/CHUNKBITS][1<< CHUNKBITS] |
| static C_block | IE3264 [32/CHUNKBITS][1<< CHUNKBITS] |
| static long | SPE [2][8][64] |
| static C_block | CF6464 [64/CHUNKBITS][1<< CHUNKBITS] |
| static C_block | constdatablock |
| static char | cryptresult [1+4+4+11+1] |
| static C_block | KS [KS_SIZE] |
| #define CRUNCH | ( | p0, | |||
| p1, | |||||
| q0, | |||||
| q1 | ) |
Value:
k = (q0 ^ q1) & SALT; \
B.b32.i0 = k ^ q0 ^ kp->b32.i0; \
B.b32.i1 = k ^ q1 ^ kp->b32.i1; \
kp = (C_block *)((char *)kp+ks_inc); \
\
DOXOR(p0, p1, 0); \
DOXOR(p0, p1, 1); \
DOXOR(p0, p1, 2); \
DOXOR(p0, p1, 3); \
DOXOR(p0, p1, 4); \
DOXOR(p0, p1, 5); \
DOXOR(p0, p1, 6); \
DOXOR(p0, p1, 7);
Referenced by des_cipher().
| #define DCL_BLOCK | ( | d, | |||
| d0, | |||||
| d1 | ) | long d0, d1 |
| #define KS_SIZE 16 |
| #define LGCHUNKBITS 2 |
| #define LOAD | ( | d, | |||
| d0, | |||||
| d1, | |||||
| bl | ) | d0 = (bl).b32.i0, d1 = (bl).b32.i1 |
| #define LOADREG | ( | d, | |||
| d0, | |||||
| d1, | |||||
| s, | |||||
| s0, | |||||
| s1 | ) | d0 = s0, d1 = s1 |
| #define OR | ( | d, | |||
| d0, | |||||
| d1, | |||||
| bl | ) | d0 |= (bl).b32.i0, d1 |= (bl).b32.i1 |
| #define PERM3264 | ( | d, | |||
| d0, | |||||
| d1, | |||||
| cpp, | |||||
| p | ) | { C_block tblk; permute(cpp,&tblk,p,4); LOAD (d,d0,d1,tblk); } |
| #define PERM6464 | ( | d, | |||
| d0, | |||||
| d1, | |||||
| cpp, | |||||
| p | ) | { C_block tblk; permute(cpp,&tblk,p,8); LOAD (d,d0,d1,tblk); } |
| #define SALT salt |
| #define SPTAB | ( | t, | |||
| i | ) | (*(long *)((unsigned char *)t + i*(sizeof(long)/4))) |
| #define STORE | ( | s, | |||
| s0, | |||||
| s1, | |||||
| bl | ) | (bl).b32.i0 = s0, (bl).b32.i1 = s1 |
| #define TO_SIX_BIT | ( | rslt, | |||
| src | ) |
Value:
{ \
C_block cvt; \
cvt.b[0] = (unsigned char)src; src >>= 6; \
cvt.b[1] = (unsigned char)src; src >>= 6; \
cvt.b[2] = (unsigned char)src; src >>= 6; \
cvt.b[3] = (unsigned char)src; \
rslt = (cvt.b32.i0 & 0x3f3f3f3fL) << 2; \
}
Definition at line 258 of file crypt.c.
Referenced by des_cipher(), and init_des().
| char* crypt | ( | const char * | key, | |
| const char * | setting | |||
| ) |
Definition at line 499 of file crypt.c.
References _PASSWORD_EFMT1, a64toi, C_block::b, cryptresult, des_cipher(), des_setkey(), itoa64, and NULL.
Referenced by rb_str_crypt().
| int des_cipher | ( | char * | in, | |
| char * | out, | |||
| long | salt, | |||
| int | num_iter | |||
| ) | const |
| int des_setkey | ( | const char * | key | ) |
| int encrypt | ( | char * | block, | |
| int | flag | |||
| ) |
| STATIC void init_des | ( | ) |
| STATIC void init_perm | ( | perm | , | |
| p | , | |||
| int | chars_in, | |||
| int | chars_out | |||
| ) |
| STATIC void init_perm | ( | ) |
Referenced by init_des().
| STATIC void permute | ( | ) |
| int setkey | ( | const char * | key | ) |
unsigned char a64toi[128] [static] |
unsigned char CIFP[] [static] |
Initial value:
{
1, 2, 3, 4, 17, 18, 19, 20,
5, 6, 7, 8, 21, 22, 23, 24,
9, 10, 11, 12, 25, 26, 27, 28,
13, 14, 15, 16, 29, 30, 31, 32,
33, 34, 35, 36, 49, 50, 51, 52,
37, 38, 39, 40, 53, 54, 55, 56,
41, 42, 43, 44, 57, 58, 59, 60,
45, 46, 47, 48, 61, 62, 63, 64,
}
Definition at line 451 of file crypt.c.
Referenced by init_des().
C_block constdatablock [static] |
char cryptresult[1+4+4+11+1] [static] |
unsigned char ExpandTr[] [static] |
Initial value:
{
32, 1, 2, 3, 4, 5,
4, 5, 6, 7, 8, 9,
8, 9, 10, 11, 12, 13,
12, 13, 14, 15, 16, 17,
16, 17, 18, 19, 20, 21,
20, 21, 22, 23, 24, 25,
24, 25, 26, 27, 28, 29,
28, 29, 30, 31, 32, 1,
}
Definition at line 341 of file crypt.c.
Referenced by init_des().
unsigned char IP[] [static] |
Initial value:
{
58, 50, 42, 34, 26, 18, 10, 2,
60, 52, 44, 36, 28, 20, 12, 4,
62, 54, 46, 38, 30, 22, 14, 6,
64, 56, 48, 40, 32, 24, 16, 8,
57, 49, 41, 33, 25, 17, 9, 1,
59, 51, 43, 35, 27, 19, 11, 3,
61, 53, 45, 37, 29, 21, 13, 5,
63, 55, 47, 39, 31, 23, 15, 7,
}
Definition at line 328 of file crypt.c.
Referenced by init_des().
unsigned char itoa64[] [static] |
Initial value:
"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
Definition at line 463 of file crypt.c.
Referenced by crypt(), and init_des().
unsigned char P32Tr[] [static] |
Initial value:
{
16, 7, 20, 21,
29, 12, 28, 17,
1, 15, 23, 26,
5, 18, 31, 10,
2, 8, 24, 14,
32, 27, 3, 9,
19, 13, 30, 6,
22, 11, 4, 25,
}
Definition at line 440 of file crypt.c.
Referenced by init_des().
unsigned char PC1[] [static] |
Initial value:
{
57, 49, 41, 33, 25, 17, 9,
1, 58, 50, 42, 34, 26, 18,
10, 2, 59, 51, 43, 35, 27,
19, 11, 3, 60, 52, 44, 36,
63, 55, 47, 39, 31, 23, 15,
7, 62, 54, 46, 38, 30, 22,
14, 6, 61, 53, 45, 37, 29,
21, 13, 5, 28, 20, 12, 4,
}
Definition at line 352 of file crypt.c.
Referenced by init_des().
unsigned char PC2[] [static] |
Initial value:
{
9, 18, 14, 17, 11, 24, 1, 5,
22, 25, 3, 28, 15, 6, 21, 10,
35, 38, 23, 19, 12, 4, 26, 8,
43, 54, 16, 7, 27, 20, 13, 2,
0, 0, 41, 52, 31, 37, 47, 55,
0, 0, 30, 40, 51, 45, 33, 48,
0, 0, 44, 49, 39, 56, 34, 53,
0, 0, 46, 42, 50, 36, 29, 32,
}
Definition at line 369 of file crypt.c.
Referenced by init_des().
unsigned char Rotates[] [static] |
Initial value:
{
1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1,
}
Definition at line 364 of file crypt.c.
Referenced by des_setkey(), and init_des().
unsigned char S[8][64] [static] |
long SPE[2][8][64] [static] |