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git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/des/fcrypt.c
2 * Copyright 1998-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
13 # ifndef CHARSET_EBCDIC
14 # define CHARSET_EBCDIC 1
18 # include <openssl/ebcdic.h>
21 #include <openssl/crypto.h>
25 * Added more values to handle illegal salt values the way normal crypt()
26 * implementations do. The patch was sent by Bjorn Gronvall <bg@sics.se>
28 static unsigned const char con_salt
[128] = {
29 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9,
30 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, 0xE0, 0xE1,
31 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9,
32 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1,
33 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9,
34 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF, 0x00, 0x01,
35 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
36 0x0A, 0x0B, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A,
37 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12,
38 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A,
39 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22,
40 0x23, 0x24, 0x25, 0x20, 0x21, 0x22, 0x23, 0x24,
41 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C,
42 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34,
43 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C,
44 0x3D, 0x3E, 0x3F, 0x40, 0x41, 0x42, 0x43, 0x44,
47 static unsigned const char cov_2char
[64] = {
48 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
49 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44,
50 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C,
51 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54,
52 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x61, 0x62,
53 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A,
54 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72,
55 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A
58 char *DES_crypt(const char *buf
, const char *salt
)
62 #ifndef CHARSET_EBCDIC
63 return (DES_fcrypt(buf
, salt
, buff
));
66 char e_buf
[32 + 1]; /* replace 32 by 8 ? */
69 if (salt
[0] == '\0' || salt
[1] == '\0')
72 /* Copy salt, convert to ASCII. */
76 ebcdic2ascii(e_salt
, e_salt
, sizeof(e_salt
));
78 /* Convert password to ASCII. */
79 OPENSSL_strlcpy(e_buf
, buf
, sizeof(e_buf
));
80 ebcdic2ascii(e_buf
, e_buf
, sizeof e_buf
);
82 /* Encrypt it (from/to ASCII); if it worked, convert back. */
83 ret
= DES_fcrypt(e_buf
, e_salt
, buff
);
85 ascii2ebcdic(ret
, ret
, strlen(ret
));
91 char *DES_fcrypt(const char *buf
, const char *salt
, char *ret
)
93 unsigned int i
, j
, x
, y
;
94 DES_LONG Eswap0
, Eswap1
;
99 unsigned char *b
= bb
;
102 x
= ret
[0] = salt
[0];
103 if (x
== 0 || x
>= sizeof(con_salt
))
105 Eswap0
= con_salt
[x
] << 2;
106 x
= ret
[1] = salt
[1];
107 if (x
== 0 || x
>= sizeof(con_salt
))
109 Eswap1
= con_salt
[x
] << 6;
112 * EAY r=strlen(buf); r=(r+7)/8;
114 for (i
= 0; i
< 8; i
++) {
123 DES_set_key_unchecked(&key
, &ks
);
124 fcrypt_body(&(out
[0]), &ks
, Eswap0
, Eswap1
);
133 for (i
= 2; i
< 13; i
++) {
135 for (j
= 0; j
< 6; j
++) {
145 ret
[i
] = cov_2char
[c
];