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Diffstat (limited to 'bugs/stream.c')
| -rw-r--r-- | bugs/stream.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/bugs/stream.c b/bugs/stream.c new file mode 100644 index 0000000..c3b5e86 --- /dev/null +++ b/bugs/stream.c @@ -0,0 +1,131 @@ +/* bugs/stream.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 <openssl/rc4.h> +#ifdef OPENSSL_NO_DES +#include <des.h> +#else +#include <openssl/des.h> +#endif + +/* show how stream ciphers are not very good. The mac has no affect + * on RC4 while it does for cfb DES + */ + +main() + { + fprintf(stderr,"rc4\n"); + rc4(); + fprintf(stderr,"cfb des\n"); + des(); + } + +int des() + { + des_key_schedule ks; + des_cblock iv,key; + int num; + static char *keystr="01234567"; + static char *in1="0123456789ABCEDFdata 12345"; + static char *in2="9876543210abcdefdata 12345"; + unsigned char out[100]; + int i; + + des_set_key((des_cblock *)keystr,ks); + + num=0; + memset(iv,0,8); + des_cfb64_encrypt(in1,out,26,ks,(des_cblock *)iv,&num,1); + for (i=0; i<26; i++) + fprintf(stderr,"%02X ",out[i]); + fprintf(stderr,"\n"); + + num=0; + memset(iv,0,8); + des_cfb64_encrypt(in2,out,26,ks,(des_cblock *)iv,&num,1); + for (i=0; i<26; i++) + fprintf(stderr,"%02X ",out[i]); + fprintf(stderr,"\n"); + } + +int rc4() + { + static char *keystr="0123456789abcdef"; + RC4_KEY key; + unsigned char in[100],out[100]; + int i; + + RC4_set_key(&key,16,keystr); + in[0]='\0'; + strcpy(in,"0123456789ABCEDFdata 12345"); + RC4(key,26,in,out); + + for (i=0; i<26; i++) + fprintf(stderr,"%02X ",out[i]); + fprintf(stderr,"\n"); + + RC4_set_key(&key,16,keystr); + in[0]='\0'; + strcpy(in,"9876543210abcdefdata 12345"); + RC4(key,26,in,out); + + for (i=0; i<26; i++) + fprintf(stderr,"%02X ",out[i]); + fprintf(stderr,"\n"); + } |