/* * Copyright 1998-2016 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ /* NOCW */ #include #ifdef _OSD_POSIX # ifndef CHARSET_EBCDIC # define CHARSET_EBCDIC 1 # endif #endif #ifdef CHARSET_EBCDIC # include #endif #include #include "des_local.h" /* * Added more values to handle illegal salt values the way normal crypt() * implementations do. */ static unsigned const char con_salt[128] = { 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 0x40, 0x41, 0x42, 0x43, 0x44, }; static unsigned const char cov_2char[64] = { 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A }; char *DES_crypt(const char *buf, const char *salt) { static char buff[14]; #ifndef CHARSET_EBCDIC return DES_fcrypt(buf, salt, buff); #else char e_salt[2 + 1]; char e_buf[32 + 1]; /* replace 32 by 8 ? */ char *ret; if (salt[0] == '\0' || salt[1] == '\0') return NULL; /* Copy salt, convert to ASCII. */ e_salt[0] = salt[0]; e_salt[1] = salt[1]; e_salt[2] = '\0'; ebcdic2ascii(e_salt, e_salt, sizeof(e_salt)); /* Convert password to ASCII. */ OPENSSL_strlcpy(e_buf, buf, sizeof(e_buf)); ebcdic2ascii(e_buf, e_buf, sizeof(e_buf)); /* Encrypt it (from/to ASCII); if it worked, convert back. */ ret = DES_fcrypt(e_buf, e_salt, buff); if (ret != NULL) ascii2ebcdic(ret, ret, strlen(ret)); return ret; #endif } char *DES_fcrypt(const char *buf, const char *salt, char *ret) { unsigned int i, j, x, y; DES_LONG Eswap0, Eswap1; DES_LONG out[2], ll; DES_cblock key; DES_key_schedule ks; unsigned char bb[9]; unsigned char *b = bb; unsigned char c, u; x = ret[0] = salt[0]; if (x == 0 || x >= sizeof(con_salt)) return NULL; Eswap0 = con_salt[x] << 2; x = ret[1] = salt[1]; if (x == 0 || x >= sizeof(con_salt)) return NULL; Eswap1 = con_salt[x] << 6; /* * EAY r=strlen(buf); r=(r+7)/8; */ for (i = 0; i < 8; i++) { c = *(buf++); if (!c) break; key[i] = (c << 1); } for (; i < 8; i++) key[i] = 0; DES_set_key_unchecked(&key, &ks); fcrypt_body(&(out[0]), &ks, Eswap0, Eswap1); ll = out[0]; l2c(ll, b); ll = out[1]; l2c(ll, b); y = 0; u = 0x80; bb[8] = 0; for (i = 2; i < 13; i++) { c = 0; for (j = 0; j < 6; j++) { c <<= 1; if (bb[y] & u) c |= 1; u >>= 1; if (!u) { y++; u = 0x80; } } ret[i] = cov_2char[c]; } ret[13] = '\0'; return ret; }