1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/ssl/libcrypto/src/crypto/rc4/rc4.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,193 @@
1.4 +/* crypto/rc4/rc4.c */
1.5 +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
1.6 + * All rights reserved.
1.7 + *
1.8 + * This package is an SSL implementation written
1.9 + * by Eric Young (eay@cryptsoft.com).
1.10 + * The implementation was written so as to conform with Netscapes SSL.
1.11 + *
1.12 + * This library is free for commercial and non-commercial use as long as
1.13 + * the following conditions are aheared to. The following conditions
1.14 + * apply to all code found in this distribution, be it the RC4, RSA,
1.15 + * lhash, DES, etc., code; not just the SSL code. The SSL documentation
1.16 + * included with this distribution is covered by the same copyright terms
1.17 + * except that the holder is Tim Hudson (tjh@cryptsoft.com).
1.18 + *
1.19 + * Copyright remains Eric Young's, and as such any Copyright notices in
1.20 + * the code are not to be removed.
1.21 + * If this package is used in a product, Eric Young should be given attribution
1.22 + * as the author of the parts of the library used.
1.23 + * This can be in the form of a textual message at program startup or
1.24 + * in documentation (online or textual) provided with the package.
1.25 + *
1.26 + * Redistribution and use in source and binary forms, with or without
1.27 + * modification, are permitted provided that the following conditions
1.28 + * are met:
1.29 + * 1. Redistributions of source code must retain the copyright
1.30 + * notice, this list of conditions and the following disclaimer.
1.31 + * 2. Redistributions in binary form must reproduce the above copyright
1.32 + * notice, this list of conditions and the following disclaimer in the
1.33 + * documentation and/or other materials provided with the distribution.
1.34 + * 3. All advertising materials mentioning features or use of this software
1.35 + * must display the following acknowledgement:
1.36 + * "This product includes cryptographic software written by
1.37 + * Eric Young (eay@cryptsoft.com)"
1.38 + * The word 'cryptographic' can be left out if the rouines from the library
1.39 + * being used are not cryptographic related :-).
1.40 + * 4. If you include any Windows specific code (or a derivative thereof) from
1.41 + * the apps directory (application code) you must include an acknowledgement:
1.42 + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
1.43 + *
1.44 + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
1.45 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.46 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.47 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
1.48 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1.49 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
1.50 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.51 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
1.52 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
1.53 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1.54 + * SUCH DAMAGE.
1.55 + *
1.56 + * The licence and distribution terms for any publically available version or
1.57 + * derivative of this code cannot be changed. i.e. this code cannot simply be
1.58 + * copied and put under another distribution licence
1.59 + * [including the GNU Public Licence.]
1.60 + */
1.61 +
1.62 +#include <stdio.h>
1.63 +#include <stdlib.h>
1.64 +#include <string.h>
1.65 +#include <openssl/rc4.h>
1.66 +#include <openssl/evp.h>
1.67 +
1.68 +char *usage[]={
1.69 +"usage: rc4 args\n",
1.70 +"\n",
1.71 +" -in arg - input file - default stdin\n",
1.72 +" -out arg - output file - default stdout\n",
1.73 +" -key key - password\n",
1.74 +NULL
1.75 +};
1.76 +
1.77 +int main(int argc, char *argv[])
1.78 + {
1.79 + FILE *in=NULL,*out=NULL;
1.80 + char *infile=NULL,*outfile=NULL,*keystr=NULL;
1.81 + RC4_KEY key;
1.82 + char buf[BUFSIZ];
1.83 + int badops=0,i;
1.84 + char **pp;
1.85 + unsigned char md[MD5_DIGEST_LENGTH];
1.86 +
1.87 + argc--;
1.88 + argv++;
1.89 + while (argc >= 1)
1.90 + {
1.91 + if (strcmp(*argv,"-in") == 0)
1.92 + {
1.93 + if (--argc < 1) goto bad;
1.94 + infile= *(++argv);
1.95 + }
1.96 + else if (strcmp(*argv,"-out") == 0)
1.97 + {
1.98 + if (--argc < 1) goto bad;
1.99 + outfile= *(++argv);
1.100 + }
1.101 + else if (strcmp(*argv,"-key") == 0)
1.102 + {
1.103 + if (--argc < 1) goto bad;
1.104 + keystr= *(++argv);
1.105 + }
1.106 + else
1.107 + {
1.108 + fprintf(stderr,"unknown option %s\n",*argv);
1.109 + badops=1;
1.110 + break;
1.111 + }
1.112 + argc--;
1.113 + argv++;
1.114 + }
1.115 +
1.116 + if (badops)
1.117 + {
1.118 +bad:
1.119 + for (pp=usage; (*pp != NULL); pp++)
1.120 + fprintf(stderr,"%s",*pp);
1.121 + exit(1);
1.122 + }
1.123 +
1.124 + if (infile == NULL)
1.125 + in=stdin;
1.126 + else
1.127 + {
1.128 + in=fopen(infile,"r");
1.129 + if (in == NULL)
1.130 + {
1.131 + perror("open");
1.132 + exit(1);
1.133 + }
1.134 +
1.135 + }
1.136 + if (outfile == NULL)
1.137 + out=stdout;
1.138 + else
1.139 + {
1.140 + out=fopen(outfile,"w");
1.141 + if (out == NULL)
1.142 + {
1.143 + perror("open");
1.144 + exit(1);
1.145 + }
1.146 + }
1.147 +
1.148 +#ifdef OPENSSL_SYS_MSDOS
1.149 + /* This should set the file to binary mode. */
1.150 + {
1.151 +#include <fcntl.h>
1.152 + setmode(fileno(in),O_BINARY);
1.153 + setmode(fileno(out),O_BINARY);
1.154 + }
1.155 +#endif
1.156 +
1.157 + if (keystr == NULL)
1.158 + { /* get key */
1.159 + i=EVP_read_pw_string(buf,BUFSIZ,"Enter RC4 password:",0);
1.160 + if (i != 0)
1.161 + {
1.162 + OPENSSL_cleanse(buf,BUFSIZ);
1.163 + fprintf(stderr,"bad password read\n");
1.164 + exit(1);
1.165 + }
1.166 + keystr=buf;
1.167 + }
1.168 +
1.169 + EVP_Digest((unsigned char *)keystr,strlen(keystr),md,NULL,EVP_md5(),NULL);
1.170 + OPENSSL_cleanse(keystr,strlen(keystr));
1.171 + RC4_set_key(&key,MD5_DIGEST_LENGTH,md);
1.172 +
1.173 + for(;;)
1.174 + {
1.175 + i=fread(buf,1,BUFSIZ,in);
1.176 + if (i == 0) break;
1.177 + if (i < 0)
1.178 + {
1.179 + perror("read");
1.180 + exit(1);
1.181 + }
1.182 + RC4(&key,(unsigned int)i,(unsigned char *)buf,
1.183 + (unsigned char *)buf);
1.184 + i=fwrite(buf,(unsigned int)i,1,out);
1.185 + if (i != 1)
1.186 + {
1.187 + perror("write");
1.188 + exit(1);
1.189 + }
1.190 + }
1.191 + fclose(out);
1.192 + fclose(in);
1.193 + exit(0);
1.194 + return(1);
1.195 + }
1.196 +