Initial import

1 files changed, 193 insertions, 0 deletions

diff --git a/openssl/crypto/rc4/rc4.c b/openssl/crypto/rc4/rc4.c
new file mode 100644
index 00000000..c900b260
--- /dev/null
+++ b/openssl/crypto/rc4/rc4.c
@@ -0,0 +1,193 @@
+/* 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);
+	}
+