rc2 implementation

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@13750 ec53bebd-3082-4978-b11e-865c3cabbd6b
2004-04-23 19:23:38 +00:00
parent f4826c51a0
commit e8470007a1
4 changed files with 421 additions and 3 deletions
--- a/lib/des/rc2test.c
+++ b/lib/des/rc2test.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2004 Kungliga Tekniska H<>gskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ * 
+ * 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 above 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. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+RCSID("$Id$");
+#endif
+
+#include <rc2.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+struct {
+    const char *key;
+    const char *plain;
+    const char *cipher;
+} tests[] = {
+    {
+	"\x00\x00\x00\x00\x00\x00\x00\x00"
+	"\x00\x00\x00\x00\x00\x00\x00\x00",
+	"\x00\x00\x00\x00\x00\x00\x00\x00",
+	"\x1C\x19\x8A\x83\x8D\xF0\x28\xB7"
+    },
+    {
+	"\x00\x00\x00\x00\x00\x00\x00\x00"
+	"\x00\x00\x00\x00\x00\x00\x00\x01",
+	"\x00\x00\x00\x00\x00\x00\x00\x00",
+	"\x21\x82\x9C\x78\xA9\xF9\xC0\x74"
+    },
+    { 
+	"\x00\x00\x00\x00\x00\x00\x00\x00"
+	"\x00\x00\x00\x00\x00\x00\x00\x00",
+	"\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF",
+	"\x13\xDB\x35\x17\xD3\x21\x86\x9E"
+    },
+    {
+	"\x00\x01\x02\x03\x04\x05\x06\x07"
+	"\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F",
+	"\x00\x00\x00\x00\x00\x00\x00\x00",
+	"\x50\xDC\x01\x62\xBD\x75\x7F\x31"
+    }
+};
+
+const char cbc_key[16] = 
+"\x00\x00\x00\x00\x00\x00\x00\x00"
+"\x00\x00\x00\x00\x00\x00\x00\x00";
+const char cbc_iv[8] =
+"\x01\x01\x01\x01\x01\x01\x01\x01";
+const char cbc_in_data[32] = 
+"\x20\x20\x20\x20\x20\x20\x20\x20"
+"\x20\x20\x20\x20\x20\x20\x20\x20"
+"\x20\x20\x20\x20\x20\x20\x20\x20"
+"\x20\x20\x20\x20\x20\x20\x20\x20";
+
+const char out_iv[8] = "\x00\x78\x1b\x6\xff\xb9\xfa\xe";
+
+const char cbc_out_data[32] = 
+"\xb4\x3f\x89\x15\x69\x68\xda\x79"
+"\x29\xab\x5f\x78\xc5\xba\x15\x82"
+"\x80\x89\x57\x1b\xbe\x57\x2f\xdc"
+"\x00\x78\x1b\x06\xff\xb9\xfa\x0e";
+
+int
+main(int argc, char **argv)
+{
+    RC2_KEY key;
+    unsigned char t[8];
+    unsigned char out[40];
+    int i;
+
+    for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++) {
+	RC2_set_key(&key, 16, tests[i].key, 0);
+
+	memcpy(t, tests[i].plain, 8);
+	RC2_encryptc(t, t, &key);
+	if (memcmp(t, tests[i].cipher, 8) != 0) {
+	    printf("encrypt %d\n", i);
+	    exit(1);
+	}
+	RC2_decryptc(t, t, &key);
+	if (memcmp(t, tests[i].plain, 8) != 0) {
+	    printf("decrypt: %d\n", i);
+	    exit(1);
+	}
+    }
+
+    /* cbc test */
+
+    RC2_set_key(&key, 16, cbc_key, 0);
+    memcpy(t, cbc_iv, 8);
+    RC2_cbc_encrypt(cbc_in_data, out, 32, &key, t, 1);
+
+    if (memcmp(out_iv, t, 8) != 0)
+	abort();
+
+    if (memcmp(out, cbc_out_data, 32) != 0) {
+	printf("cbc test encrypt\n");
+	exit(1);
+    }
+
+    memcpy(t, cbc_iv, 8);
+    RC2_cbc_encrypt(out, out, 32, &key, t, 0);
+
+    if (memcmp(cbc_in_data, out, 32) != 0) {
+	printf("cbc test decrypt \n");
+	exit(1);
+    }
+
+    return 0;
+}