2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
62 #include <openssl/rc4.h>
67 " -in arg - input file - default stdin\n",
68 " -out arg - output file - default stdout\n",
69 " -key key - password\n",
73 int main(int argc, char *argv[])
75 FILE *in=NULL,*out=NULL;
76 char *infile=NULL,*outfile=NULL,*keystr=NULL;
81 unsigned char md[MD5_DIGEST_LENGTH];
87 if (strcmp(*argv,"-in") == 0)
89 if (--argc < 1) goto bad;
92 else if (strcmp(*argv,"-out") == 0)
94 if (--argc < 1) goto bad;
97 else if (strcmp(*argv,"-key") == 0)
99 if (--argc < 1) goto bad;
104 fprintf(stderr,"unknown option %s\n",*argv);
115 for (pp=usage; (*pp != NULL); pp++)
124 in=fopen(infile,"r");
136 out=fopen(outfile,"w");
145 /* This should set the file to binary mode. */
148 setmode(fileno(in),O_BINARY);
149 setmode(fileno(out),O_BINARY);
155 i=EVP_read_pw_string(buf,BUFSIZ,"Enter RC4 password:",0);
158 memset(buf,0,BUFSIZ);
159 fprintf(stderr,"bad password read\n");
165 MD5((unsigned char *)keystr,(unsigned long)strlen(keystr),md);
166 memset(keystr,0,strlen(keystr));
167 RC4_set_key(&key,MD5_DIGEST_LENGTH,md);
171 i=fread(buf,1,BUFSIZ,in);
178 RC4(&key,(unsigned int)i,(unsigned char *)buf,
179 (unsigned char *)buf);
180 i=fwrite(buf,(unsigned int)i,1,out);