new test case for pcbc encryption

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@13152 dc483132-0cff-0310-8789-dd5450dbe970

diff --git a/src/lib/des425/ChangeLog b/src/lib/des425/ChangeLog
index 3e19c6137126d22080a79dc90a721526d829ec20..15efee53b1ddd3d2147f643e5a9a9e9a152b98a5 100644 (file)
--- a/src/lib/des425/ChangeLog
+++ b/src/lib/des425/ChangeLog
@@ -1,5 +1,9 @@
 2001-04-09  Ken Raeburn  <raeburn@mit.edu>
 
+       * t_pcbc.c: New file.
+       * Makefile.in (t_pcbc): New target.
+       (check-unix): Depend on and run t_pcbc.
+
        * pcbc_encrypt.c (des_pcbc_encrypt): Initialize plainl and plainr
        to keep compiler happy.
 

diff --git a/src/lib/des425/Makefile.in b/src/lib/des425/Makefile.in
index 8e1ce31b7241df200d7af5bcb2a1656edfa985a5..60ee9bba6092435e08b731196b147eb3fc573c16 100644 (file)
--- a/src/lib/des425/Makefile.in
+++ b/src/lib/des425/Makefile.in
@@ -91,11 +91,15 @@ verify: verify.o $(DES425_DEPLIB) $(KRB5_BASE_DEPLIBS)
 t_quad: t_quad.o quad_cksum.o
        $(CC_LINK) -o $@ t_quad.o quad_cksum.o
 
-check-unix:: verify t_quad
+t_pcbc: t_pcbc.o pcbc_encrypt.o key_sched.o $(KRB5_BASE_DEPLIBS)
+       $(CC_LINK) -o $@ t_pcbc.o pcbc_encrypt.o key_sched.o $(KRB5_BASE_LIBS)
+
+check-unix:: verify t_quad t_pcbc
        $(RUN_SETUP) ./verify -z
        $(RUN_SETUP) ./verify -m
        $(RUN_SETUP) ./verify
        $(RUN_SETUP) ./t_quad
+       $(RUN_SETUP) ./t_pcbc
 
 check-windows::
 

diff --git a/src/lib/des425/t_pcbc.c b/src/lib/des425/t_pcbc.c
new file mode 100644 (file)
index 0000000..c6b63d4
--- /dev/null
+++ b/src/lib/des425/t_pcbc.c
@@ -0,0 +1,125 @@
+/*
+ * lib/des425/t_quad.c
+ *
+ * Copyright 2001 by the Massachusetts Institute of Technology.
+ * All Rights Reserved.
+ *
+ * Export of this software from the United States of America may
+ *   require a specific license from the United States Government.
+ *   It is the responsibility of any person or organization contemplating
+ *   export to obtain such a license before exporting.
+ * 
+ * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
+ * distribute this software and its documentation for any purpose and
+ * without fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright notice and
+ * this permission notice appear in supporting documentation, and that
+ * the name of M.I.T. not be used in advertising or publicity pertaining
+ * to distribution of the software without specific, written prior
+ * permission.  Furthermore if you modify this software you must label
+ * your software as modified software and not distribute it in such a
+ * fashion that it might be confused with the original M.I.T. software.
+ * M.I.T. makes no representations about the suitability of
+ * this software for any purpose.  It is provided "as is" without express
+ * or implied warranty.
+ */
+
+
+#include <stdio.h>
+#include <errno.h>
+#include "des_int.h"
+#include "des.h"
+
+extern char *errmsg();
+extern int errno;
+char *progname;
+int des_debug;
+
+/* These test values were constructed by experimentation, because I
+   couldn't be bothered to look up the spec for the encryption mode
+   and see if any test vector is defined.  But really, the thing we
+   need to test is that the operation we use doesn't changed.  Like
+   with quad_cksum, compatibility is more important than strict
+   adherence to the spec, if we have to choose.  In any case, if you
+   have a useful test vector, send it in....  */
+struct {
+    unsigned char text[32];
+    des_cblock out[4];
+} tests[] = {
+    {
+       "Now is the time for all ",
+       {
+           {  0x7f, 0x81, 0x65, 0x41, 0x21, 0xdb, 0xd4, 0xcf, },
+           {  0xf8, 0xaa, 0x09, 0x90, 0xeb, 0xc7, 0x60, 0x2b, },
+           {  0x45, 0x3e, 0x4e, 0x65, 0x83, 0x6c, 0xf1, 0x98, },
+           {  0x4c, 0xfc, 0x69, 0x72, 0x23, 0xdb, 0x48, 0x78, }
+       }
+    }, {
+       "7654321 Now is the time for ",
+       {
+           {  0xcc, 0xd1, 0x73, 0xff, 0xab, 0x20, 0x39, 0xf4, },
+           {  0x6d, 0xec, 0xb4, 0x70, 0xa0, 0xe5, 0x6b, 0x15, },
+           {  0xae, 0xa6, 0xbf, 0x61, 0xed, 0x7d, 0x9c, 0x9f, },
+           {  0xf7, 0x17, 0x46, 0x3b, 0x8a, 0xb3, 0xcc, 0x88, }
+       }
+    }, {
+       "hi",
+        { {  0x76, 0x61, 0x0e, 0x8b, 0x23, 0xa4, 0x5f, 0x34, } }
+    },
+};
+
+/* 0x0123456789abcdef */
+unsigned char default_key[8] = {
+    0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef
+};
+des_cblock ivec = {
+    0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10
+};
+
+int
+main(argc,argv)
+    int argc;
+    char *argv[];
+{
+    int i;
+    int fail=0;
+    des_cblock out[32/8];
+    des_cblock out2[32/8];
+    des_key_schedule sked;
+
+    progname=argv[0];          /* salt away invoking program */
+
+    /* use known input and key */
+
+    for (i = 0; i < 3; i++) {
+       int wrong = 0, j, jmax;
+       des_key_sched (default_key, sked);
+       /* This could lose on alignment... */
+       des_pcbc_encrypt ((des_cblock *)&tests[i].text, out,
+                         strlen(tests[i].text) + 1, sked, ivec, 1);
+       printf ("pcbc_encrypt(\"%s\") = {", tests[i].text);
+       jmax = (strlen (tests[i].text) + 8) & ~7U;
+       for (j = 0; j < jmax; j++) {
+           if (j % 8 == 0)
+               printf ("\n\t");
+           printf (" 0x%02x,", out[j/8][j%8]);
+           if (out[j/8][j%8] != tests[i].out[j/8][j%8])
+               wrong = 1;
+       }
+       printf ("\n}\n");
+
+       /* reverse it */
+       des_pcbc_encrypt (out, out2, jmax, sked, ivec, 0);
+       if (strcmp ((char *)out2, tests[i].text)) {
+           printf ("decrypt failed\n");
+           wrong = 1;
+       } else
+           printf ("decrypt worked\n");
+
+       if (wrong) {
+           printf ("wrong result!\n");
+           fail = 1;
+       }
+    }
+    return fail;
+}