diff options
Diffstat (limited to 'lib/librpc/secure_rpc/rpc/xcrypt.c')
| -rw-r--r-- | lib/librpc/secure_rpc/rpc/xcrypt.c | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/lib/librpc/secure_rpc/rpc/xcrypt.c b/lib/librpc/secure_rpc/rpc/xcrypt.c deleted file mode 100644 index 215fda6..0000000 --- a/lib/librpc/secure_rpc/rpc/xcrypt.c +++ /dev/null @@ -1,183 +0,0 @@ -#ifndef lint -static char sccsid[] = "@(#)xcrypt.c 2.2 88/08/10 4.0 RPCSRC"; -#endif -/* - * Sun RPC is a product of Sun Microsystems, Inc. and is provided for - * unrestricted use provided that this legend is included on all tape - * media and as a part of the software program in whole or part. Users - * may copy or modify Sun RPC without charge, but are not authorized - * to license or distribute it to anyone else except as part of a product or - * program developed by the user. - * - * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE - * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR - * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. - * - * Sun RPC is provided with no support and without any obligation on the - * part of Sun Microsystems, Inc. to assist in its use, correction, - * modification or enhancement. - * - * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE - * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC - * OR ANY PART THEREOF. - * - * In no event will Sun Microsystems, Inc. be liable for any lost revenue - * or profits or other special, indirect and consequential damages, even if - * Sun has been advised of the possibility of such damages. - * - * Sun Microsystems, Inc. - * 2550 Garcia Avenue - * Mountain View, California 94043 - */ -/* - * Hex encryption/decryption and utility routines - * - * Copyright (C) 1986, Sun Microsystems, Inc. - */ - -#include <stdio.h> -#include <des_crypt.h> - -extern char *malloc(); - -extern char hex[]; /* forward */ -static char hexval(); - -/* - * Encrypt a secret key given passwd - * The secret key is passed and returned in hex notation. - * Its length must be a multiple of 16 hex digits (64 bits). - */ -xencrypt(secret, passwd) - char *secret; - char *passwd; -{ - char key[8]; - char ivec[8]; - char *buf; - int err; - int len; - - len = strlen(secret) / 2; - buf = malloc((unsigned)len); - - hex2bin(len, secret, buf); - passwd2des(passwd, key); - bzero(ivec, 8); - - err = cbc_crypt(key, buf, len, DES_ENCRYPT | DES_HW, ivec); - if (DES_FAILED(err)) { - free(buf); - return (0); - } - bin2hex(len, (unsigned char *) buf, secret); - free(buf); - return (1); -} - -/* - * Decrypt secret key using passwd - * The secret key is passed and returned in hex notation. - * Once again, the length is a multiple of 16 hex digits - */ -xdecrypt(secret, passwd) - char *secret; - char *passwd; -{ - char key[8]; - char ivec[8]; - char *buf; - int err; - int len; - - len = strlen(secret) / 2; - buf = malloc((unsigned)len); - - hex2bin(len, secret, buf); - passwd2des(passwd, key); - bzero(ivec, 8); - - err = cbc_crypt(key, buf, len, DES_DECRYPT | DES_HW, ivec); - if (DES_FAILED(err)) { - free(buf); - return (0); - } - bin2hex(len, (unsigned char *) buf, secret); - free(buf); - return (1); -} - - -/* - * Turn password into DES key - */ -passwd2des(pw, key) - char *pw; - char *key; -{ - int i; - - bzero(key, 8); - for (i = 0; *pw; i = (i+1)%8) { - key[i] ^= *pw++ << 1; - } - des_setparity(key); -} - - - -/* - * Hex to binary conversion - */ -static -hex2bin(len, hexnum, binnum) - int len; - char *hexnum; - char *binnum; -{ - int i; - - for (i = 0; i < len; i++) { - *binnum++ = 16 * hexval(hexnum[2*i]) + hexval(hexnum[2*i+1]); - } -} - -/* - * Binary to hex conversion - */ -static -bin2hex(len, binnum, hexnum) - int len; - unsigned char *binnum; - char *hexnum; -{ - int i; - unsigned val; - - for (i = 0; i < len; i++) { - val = binnum[i]; - hexnum[i*2] = hex[val >> 4]; - hexnum[i*2+1] = hex[val & 0xf]; - } - hexnum[len*2] = 0; -} - -static char hex[16] = { - '0', '1', '2', '3', '4', '5', '6', '7', - '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', -}; - -static char -hexval(c) - char c; -{ - if (c >= '0' && c <= '9') { - return (c - '0'); - } else if (c >= 'a' && c <= 'z') { - return (c - 'a' + 10); - } else if (c >= 'A' && c <= 'Z') { - return (c - 'A' + 10); - } else { - return (-1); - } -} |
