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| 1 /* NOCW */ | |
| 2 #include <stdio.h> | |
| 3 #ifdef _OSD_POSIX | |
| 4 #ifndef CHARSET_EBCDIC | |
| 5 #define CHARSET_EBCDIC 1 | |
| 6 #endif | |
| 7 #endif | |
| 8 #ifdef CHARSET_EBCDIC | |
| 9 #include <openssl/ebcdic.h> | |
| 10 #endif | |
| 11 | |
| 12 /* This version of crypt has been developed from my MIT compatible | |
| 13 * DES library. | |
| 14 * Eric Young (eay@cryptsoft.com) | |
| 15 */ | |
| 16 | |
| 17 /* Modification by Jens Kupferschmidt (Cu) | |
| 18 * I have included directive PARA for shared memory computers. | |
| 19 * I have included a directive LONGCRYPT to using this routine to cipher | |
| 20 * passwords with more then 8 bytes like HP-UX 10.x it used. The MAXPLEN | |
| 21 * definition is the maximum of length of password and can changed. I have | |
| 22 * defined 24. | |
| 23 */ | |
| 24 | |
| 25 #include "des_locl.h" | |
| 26 | |
| 27 /* Added more values to handle illegal salt values the way normal | |
| 28 * crypt() implementations do. The patch was sent by | |
| 29 * Bjorn Gronvall <bg@sics.se> | |
| 30 */ | |
| 31 static unsigned const char con_salt[128]={ | |
| 32 0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9, | |
| 33 0xDA,0xDB,0xDC,0xDD,0xDE,0xDF,0xE0,0xE1, | |
| 34 0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9, | |
| 35 0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1, | |
| 36 0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9, | |
| 37 0xFA,0xFB,0xFC,0xFD,0xFE,0xFF,0x00,0x01, | |
| 38 0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09, | |
| 39 0x0A,0x0B,0x05,0x06,0x07,0x08,0x09,0x0A, | |
| 40 0x0B,0x0C,0x0D,0x0E,0x0F,0x10,0x11,0x12, | |
| 41 0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1A, | |
| 42 0x1B,0x1C,0x1D,0x1E,0x1F,0x20,0x21,0x22, | |
| 43 0x23,0x24,0x25,0x20,0x21,0x22,0x23,0x24, | |
| 44 0x25,0x26,0x27,0x28,0x29,0x2A,0x2B,0x2C, | |
| 45 0x2D,0x2E,0x2F,0x30,0x31,0x32,0x33,0x34, | |
| 46 0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,0x3C, | |
| 47 0x3D,0x3E,0x3F,0x40,0x41,0x42,0x43,0x44, | |
| 48 }; | |
| 49 | |
| 50 static unsigned const char cov_2char[64]={ | |
| 51 0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,0x35, | |
| 52 0x36,0x37,0x38,0x39,0x41,0x42,0x43,0x44, | |
| 53 0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C, | |
| 54 0x4D,0x4E,0x4F,0x50,0x51,0x52,0x53,0x54, | |
| 55 0x55,0x56,0x57,0x58,0x59,0x5A,0x61,0x62, | |
| 56 0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A, | |
| 57 0x6B,0x6C,0x6D,0x6E,0x6F,0x70,0x71,0x72, | |
| 58 0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A | |
| 59 }; | |
| 60 | |
| 61 char *DES_crypt(const char *buf, const char *salt) | |
| 62 { | |
| 63 static char buff[14]; | |
| 64 | |
| 65 #ifndef CHARSET_EBCDIC | |
| 66 return(DES_fcrypt(buf,salt,buff)); | |
| 67 #else | |
| 68 char e_salt[2+1]; | |
| 69 char e_buf[32+1]; /* replace 32 by 8 ? */ | |
| 70 char *ret; | |
| 71 | |
| 72 /* Copy at most 2 chars of salt */ | |
| 73 if ((e_salt[0] = salt[0]) != '\0') | |
| 74 e_salt[1] = salt[1]; | |
| 75 | |
| 76 /* Copy at most 32 chars of password */ | |
| 77 strncpy (e_buf, buf, sizeof(e_buf)); | |
| 78 | |
| 79 /* Make sure we have a delimiter */ | |
| 80 e_salt[sizeof(e_salt)-1] = e_buf[sizeof(e_buf)-1] = '\0'; | |
| 81 | |
| 82 /* Convert the e_salt to ASCII, as that's what DES_fcrypt works on */ | |
| 83 ebcdic2ascii(e_salt, e_salt, sizeof e_salt); | |
| 84 | |
| 85 /* Convert the cleartext password to ASCII */ | |
| 86 ebcdic2ascii(e_buf, e_buf, sizeof e_buf); | |
| 87 | |
| 88 /* Encrypt it (from/to ASCII) */ | |
| 89 ret = DES_fcrypt(e_buf,e_salt,buff); | |
| 90 | |
| 91 /* Convert the result back to EBCDIC */ | |
| 92 ascii2ebcdic(ret, ret, strlen(ret)); | |
| 93 | |
| 94 return ret; | |
| 95 #endif | |
| 96 } | |
| 97 | |
| 98 | |
| 99 char *DES_fcrypt(const char *buf, const char *salt, char *ret) | |
| 100 { | |
| 101 unsigned int i,j,x,y; | |
| 102 DES_LONG Eswap0,Eswap1; | |
| 103 DES_LONG out[2],ll; | |
| 104 DES_cblock key; | |
| 105 DES_key_schedule ks; | |
| 106 unsigned char bb[9]; | |
| 107 unsigned char *b=bb; | |
| 108 unsigned char c,u; | |
| 109 | |
| 110 /* eay 25/08/92 | |
| 111 * If you call crypt("pwd","*") as often happens when you | |
| 112 * have * as the pwd field in /etc/passwd, the function | |
| 113 * returns *\0XXXXXXXXX | |
| 114 * The \0 makes the string look like * so the pwd "*" would | |
| 115 * crypt to "*". This was found when replacing the crypt in | |
| 116 * our shared libraries. People found that the disabled | |
| 117 * accounts effectively had no passwd :-(. */ | |
| 118 #ifndef CHARSET_EBCDIC | |
| 119 x=ret[0]=((salt[0] == '\0')?'A':salt[0]); | |
| 120 Eswap0=con_salt[x]<<2; | |
| 121 x=ret[1]=((salt[1] == '\0')?'A':salt[1]); | |
| 122 Eswap1=con_salt[x]<<6; | |
| 123 #else | |
| 124 x=ret[0]=((salt[0] == '\0')?os_toascii['A']:salt[0]); | |
| 125 Eswap0=con_salt[x]<<2; | |
| 126 x=ret[1]=((salt[1] == '\0')?os_toascii['A']:salt[1]); | |
| 127 Eswap1=con_salt[x]<<6; | |
| 128 #endif | |
| 129 | |
| 130 /* EAY | |
| 131 r=strlen(buf); | |
| 132 r=(r+7)/8; | |
| 133 */ | |
| 134 for (i=0; i<8; i++) | |
| 135 { | |
| 136 c= *(buf++); | |
| 137 if (!c) break; | |
| 138 key[i]=(c<<1); | |
| 139 } | |
| 140 for (; i<8; i++) | |
| 141 key[i]=0; | |
| 142 | |
| 143 DES_set_key_unchecked(&key,&ks); | |
| 144 fcrypt_body(&(out[0]),&ks,Eswap0,Eswap1); | |
| 145 | |
| 146 ll=out[0]; l2c(ll,b); | |
| 147 ll=out[1]; l2c(ll,b); | |
| 148 y=0; | |
| 149 u=0x80; | |
| 150 bb[8]=0; | |
| 151 for (i=2; i<13; i++) | |
| 152 { | |
| 153 c=0; | |
| 154 for (j=0; j<6; j++) | |
| 155 { | |
| 156 c<<=1; | |
| 157 if (bb[y] & u) c|=1; | |
| 158 u>>=1; | |
| 159 if (!u) | |
| 160 { | |
| 161 y++; | |
| 162 u=0x80; | |
| 163 } | |
| 164 } | |
| 165 ret[i]=cov_2char[c]; | |
| 166 } | |
| 167 ret[13]='\0'; | |
| 168 return(ret); | |
| 169 } | |
| 170 | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master