5 #define CHARSET_EBCDIC 1
9 #include <openssl/ebcdic.h>
12 /* This version of crypt has been developed from my MIT compatable
14 * The library is available at pub/Crypto/DES at ftp.psy.uq.oz.au
15 * Eric Young (eay@cryptsoft.com)
18 /* Modification by Jens Kupferschmidt (Cu)
19 * I have included directive PARA for shared memory computers.
20 * I have included a directive LONGCRYPT to using this routine to cipher
21 * passwords with more then 8 bytes like HP-UX 10.x it used. The MAXPLEN
22 * definition is the maximum of lenght of password and can changed. I have
28 /* Added more values to handle illegal salt values the way normal
29 * crypt() implementations do. The patch was sent by
30 * Bjorn Gronvall <bg@sics.se>
32 static unsigned const char con_salt[128]={
33 0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,
34 0xDA,0xDB,0xDC,0xDD,0xDE,0xDF,0xE0,0xE1,
35 0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,
36 0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,
37 0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,
38 0xFA,0xFB,0xFC,0xFD,0xFE,0xFF,0x00,0x01,
39 0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
40 0x0A,0x0B,0x05,0x06,0x07,0x08,0x09,0x0A,
41 0x0B,0x0C,0x0D,0x0E,0x0F,0x10,0x11,0x12,
42 0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1A,
43 0x1B,0x1C,0x1D,0x1E,0x1F,0x20,0x21,0x22,
44 0x23,0x24,0x25,0x20,0x21,0x22,0x23,0x24,
45 0x25,0x26,0x27,0x28,0x29,0x2A,0x2B,0x2C,
46 0x2D,0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,
47 0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,0x3C,
48 0x3D,0x3E,0x3F,0x40,0x41,0x42,0x43,0x44,
51 static unsigned const char cov_2char[64]={
52 0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,0x35,
53 0x36,0x37,0x38,0x39,0x41,0x42,0x43,0x44,
54 0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C,
55 0x4D,0x4E,0x4F,0x50,0x51,0x52,0x53,0x54,
56 0x55,0x56,0x57,0x58,0x59,0x5A,0x61,0x62,
57 0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,
58 0x6B,0x6C,0x6D,0x6E,0x6F,0x70,0x71,0x72,
59 0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A
62 void fcrypt_body(DES_LONG *out,des_key_schedule ks,
63 DES_LONG Eswap0, DES_LONG Eswap1);
65 #if !defined(PERL5) && !defined(__FreeBSD__) && !defined(NeXT)
66 char *crypt(const char *buf, const char *salt)
68 return(des_crypt(buf, salt));
72 char *des_crypt(const char *buf, const char *salt)
76 #ifndef CHARSET_EBCDIC
77 return(des_fcrypt(buf,salt,buff));
80 char e_buf[32+1]; /* replace 32 by 8 ? */
83 /* Copy at most 2 chars of salt */
84 if ((e_salt[0] = salt[0]) != '\0')
87 /* Copy at most 32 chars of password */
88 strncpy (e_buf, buf, sizeof(e_buf));
90 /* Make sure we have a delimiter */
91 e_salt[sizeof(e_salt)-1] = e_buf[sizeof(e_buf)-1] = '\0';
93 /* Convert the e_salt to ASCII, as that's what des_fcrypt works on */
94 ebcdic2ascii(e_salt, e_salt, sizeof e_salt);
96 /* Convert the cleartext password to ASCII */
97 ebcdic2ascii(e_buf, e_buf, sizeof e_buf);
99 /* Encrypt it (from/to ASCII) */
100 ret = des_fcrypt(e_buf,e_salt,buff);
102 /* Convert the result back to EBCDIC */
103 ascii2ebcdic(ret, ret, strlen(ret));
110 char *des_fcrypt(const char *buf, const char *salt, char *ret)
112 unsigned int i,j,x,y;
113 DES_LONG Eswap0,Eswap1;
122 * If you call crypt("pwd","*") as often happens when you
123 * have * as the pwd field in /etc/passwd, the function
124 * returns *\0XXXXXXXXX
125 * The \0 makes the string look like * so the pwd "*" would
126 * crypt to "*". This was found when replacing the crypt in
127 * our shared libraries. People found that the disbled
128 * accounts effectivly had no passwd :-(. */
129 #ifndef CHARSET_EBCDIC
130 x=ret[0]=((salt[0] == '\0')?'A':salt[0]);
131 Eswap0=con_salt[x]<<2;
132 x=ret[1]=((salt[1] == '\0')?'A':salt[1]);
133 Eswap1=con_salt[x]<<6;
135 x=ret[0]=((salt[0] == '\0')?os_toascii['A']:salt[0]);
136 Eswap0=con_salt[x]<<2;
137 x=ret[1]=((salt[1] == '\0')?os_toascii['A']:salt[1]);
138 Eswap1=con_salt[x]<<6;
154 des_set_key(&key,ks);
155 fcrypt_body(&(out[0]),ks,Eswap0,Eswap1);
157 ll=out[0]; l2c(ll,b);
158 ll=out[1]; l2c(ll,b);