+++ /dev/null
-/* crypto/rc4/rc4.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <openssl/rc4.h>
-#include <openssl/evp.h>
-
-char *usage[]={
-"usage: rc4 args\n",
-"\n",
-" -in arg - input file - default stdin\n",
-" -out arg - output file - default stdout\n",
-" -key key - password\n",
-NULL
-};
-
-int main(int argc, char *argv[])
- {
- FILE *in=NULL,*out=NULL;
- char *infile=NULL,*outfile=NULL,*keystr=NULL;
- RC4_KEY key;
- char buf[BUFSIZ];
- int badops=0,i;
- char **pp;
- unsigned char md[MD5_DIGEST_LENGTH];
-
- argc--;
- argv++;
- while (argc >= 1)
- {
- if (strcmp(*argv,"-in") == 0)
- {
- if (--argc < 1) goto bad;
- infile= *(++argv);
- }
- else if (strcmp(*argv,"-out") == 0)
- {
- if (--argc < 1) goto bad;
- outfile= *(++argv);
- }
- else if (strcmp(*argv,"-key") == 0)
- {
- if (--argc < 1) goto bad;
- keystr= *(++argv);
- }
- else
- {
- fprintf(stderr,"unknown option %s\n",*argv);
- badops=1;
- break;
- }
- argc--;
- argv++;
- }
-
- if (badops)
- {
-bad:
- for (pp=usage; (*pp != NULL); pp++)
- fprintf(stderr,"%s",*pp);
- exit(1);
- }
-
- if (infile == NULL)
- in=stdin;
- else
- {
- in=fopen(infile,"r");
- if (in == NULL)
- {
- perror("open");
- exit(1);
- }
-
- }
- if (outfile == NULL)
- out=stdout;
- else
- {
- out=fopen(outfile,"w");
- if (out == NULL)
- {
- perror("open");
- exit(1);
- }
- }
-
-#ifdef OPENSSL_SYS_MSDOS
- /* This should set the file to binary mode. */
- {
-#include <fcntl.h>
- setmode(fileno(in),O_BINARY);
- setmode(fileno(out),O_BINARY);
- }
-#endif
-
- if (keystr == NULL)
- { /* get key */
- i=EVP_read_pw_string(buf,BUFSIZ,"Enter RC4 password:",0);
- if (i != 0)
- {
- OPENSSL_cleanse(buf,BUFSIZ);
- fprintf(stderr,"bad password read\n");
- exit(1);
- }
- keystr=buf;
- }
-
- EVP_Digest((unsigned char *)keystr,strlen(keystr),md,NULL,EVP_md5(),NULL);
- OPENSSL_cleanse(keystr,strlen(keystr));
- RC4_set_key(&key,MD5_DIGEST_LENGTH,md);
-
- for(;;)
- {
- i=fread(buf,1,BUFSIZ,in);
- if (i == 0) break;
- if (i < 0)
- {
- perror("read");
- exit(1);
- }
- RC4(&key,(unsigned int)i,(unsigned char *)buf,
- (unsigned char *)buf);
- i=fwrite(buf,(unsigned int)i,1,out);
- if (i != 1)
- {
- perror("write");
- exit(1);
- }
- }
- fclose(out);
- fclose(in);
- exit(0);
- return(1);
- }
-
projects / cassiopeia.git / blobdiff