/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* lib/crypto/crypto_tests/vectors.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.
*/
/*
* Test vectors for crypto code, matching data submitted for inclusion
* with RFC1510bis.
*
* N.B.: Doesn't compile -- this file uses some routines internal to our
* crypto library which are declared "static" and thus aren't accessible
* without modifying the other sources. Additionally, some ciphers have been
* removed.
*/
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "crypto_int.h"
#define ASIZE(ARRAY) (sizeof(ARRAY)/sizeof(ARRAY[0]))
const char *whoami;
static void printhex (size_t len, const char *p)
{
while (len--)
printf ("%02x", 0xff & *p++);
}
static void printstringhex (const char *p) { printhex (strlen (p), p); }
static void printdata (krb5_data *d) { printhex (d->length, d->data); }
static void printkey (krb5_keyblock *k) { printhex (k->length, k->contents); }
static void test_nfold ()
{
int i;
static const struct {
char *input;
int n;
} tests[] = {
{ "012345", 64, },
{ "password", 56, },
{ "Rough Consensus, and Running Code", 64, },
{ "password", 168, },
{ "MASSACHVSETTS INSTITVTE OF TECHNOLOGY", 192 },
{ "Q", 168 },
{ "ba", 168 },
};
unsigned char outbuf[192/8];
for (i = 0; i < ASIZE (tests); i++) {
char *p = tests[i].input;
assert (tests[i].n / 8 <= sizeof (outbuf));
printf ("%d-fold(\"%s\") =\n", tests[i].n, p);
printf ("%d-fold(", tests[i].n);
printstringhex (p);
printf (") =\n\t");
krb5int_nfold (8 * strlen (p), p, tests[i].n, outbuf);
printhex (tests[i].n / 8U, outbuf);
printf ("\n\n");
}
}
#define JURISIC "Juri\305\241i\304\207" /* hi Miro */
#define ESZETT "\303\237"
#define GCLEF "\360\235\204\236" /* outside BMP, woo hoo! */
/* Some weak keys:
{0x1f,0x1f,0x1f,0x1f,0x0e,0x0e,0x0e,0x0e},
{0xe0,0xe0,0xe0,0xe0,0xf1,0xf1,0xf1,0xf1},
so try to generate them. */
static void
test_mit_des_s2k ()
{
static const struct {
const char *pass;
const char *salt;
} pairs[] = {
{ "password", "ATHENA.MIT.EDUraeburn" },
{ "potatoe", "WHITEHOUSE.GOVdanny" },
{ "penny", "EXAMPLE.COMbuckaroo", },
{ GCLEF, "EXAMPLE.COMpianist" },
{ ESZETT, "ATHENA.MIT.EDU" JURISIC },
/* These two trigger weak-key fixups. */
{ "11119999", "AAAAAAAA" },
{ "NNNN6666", "FFFFAAAA" },
};
int i;
for (i = 0; i < ASIZE (pairs); i++) {
const char *p = pairs[i].pass;
const char *s = pairs[i].salt;
krb5_data pd;
krb5_data sd;
unsigned char key_contents[60];
krb5_keyblock key;
krb5_error_code r;
char buf[80];
key.contents = key_contents;
pd.length = strlen (p);
pd.data = (char *) p;
sd.length = strlen (s);
sd.data = (char *) s;
assert (strlen (s) + 4 < sizeof (buf));
snprintf (buf, sizeof (buf), "\"%s\"", s);
printf ( "salt: %-25s", buf);
printhex (strlen(s), s);
snprintf (buf, sizeof (buf), "\"%s\"", p);
printf ("\npassword: %-25s", buf);
printhex (strlen(p), p);
printf ("\n");
r = krb5int_des_string_to_key (0, &pd, &sd, 0, &key);
printf ( "DES key: %-25s", "");
printhex (key.length, key.contents);
printf ("\n\n");
}
}
static void
test_s2k (krb5_enctype enctype)
{
static const struct {
const char *pass;
const char *salt;
} pairs[] = {
{ "password", "ATHENA.MIT.EDUraeburn" },
{ "potatoe", "WHITEHOUSE.GOVdanny" },
{ "penny", "EXAMPLE.COMbuckaroo", },
{ ESZETT, "ATHENA.MIT.EDU" JURISIC },
{ GCLEF, "EXAMPLE.COMpianist" },
};
int i;
for (i = 0; i < ASIZE (pairs); i++) {
const char *p = pairs[i].pass;
const char *s = pairs[i].salt;
krb5_data pd, sd;
unsigned char key_contents[60];
krb5_keyblock key;
krb5_error_code r;
char buf[80];
pd.length = strlen (p);
pd.data = (char *) p;
sd.length = strlen (s);
sd.data = (char *) s;
key.contents = key_contents;
assert (strlen (s) + 4 < sizeof (buf));
snprintf (buf, sizeof(buf), "\"%s\"", s);
printf ( "salt:\t%s\n\t", buf);
printhex (strlen(s), s);
snprintf (buf, sizeof(buf), "\"%s\"", p);
printf ("\npasswd:\t%s\n\t", buf);
printhex (strlen(p), p);
printf ("\n");
r = krb5_c_string_to_key (0, enctype, &pd, &sd, &key);
printf ( "key:\t");
printhex (key.length, key.contents);
printf ("\n\n");
}
}
static void test_des3_s2k () { test_s2k (ENCTYPE_DES3_CBC_SHA1); }
static void
keyToData (krb5_keyblock *k, krb5_data *d)
{
d->length = k->length;
d->data = k->contents;
}
void check_error (int r, int line) {
if (r != 0) {
fprintf (stderr, "%s:%d: %s\n", __FILE__, line,
error_message (r));
exit (1);
}
}
#define CHECK check_error(r, __LINE__)
extern struct krb5_enc_provider krb5int_enc_des3;
struct krb5_enc_provider *enc = &krb5int_enc_des3;
extern struct krb5_enc_provider krb5int_enc_aes128, krb5int_enc_aes256;
void DK (krb5_keyblock *out, krb5_keyblock *in, const krb5_data *usage) {
krb5_error_code r;
r = krb5int_derive_key (enc, in, out, usage, DERIVE_RFC3961);
CHECK;
}
void DR (krb5_data *out, krb5_keyblock *in, const krb5_data *usage) {
krb5_error_code r;
r = krb5int_derive_random (enc, in, out, usage, DERIVE_RFC3961);
CHECK;
}
#define KEYBYTES 21
#define KEYLENGTH 24
void test_dr_dk ()
{
static const struct {
unsigned char keydata[KEYLENGTH];
int usage_len;
unsigned char usage[8];
} derive_tests[] = {
{
{
0xdc, 0xe0, 0x6b, 0x1f, 0x64, 0xc8, 0x57, 0xa1,
0x1c, 0x3d, 0xb5, 0x7c, 0x51, 0x89, 0x9b, 0x2c,
0xc1, 0x79, 0x10, 0x08, 0xce, 0x97, 0x3b, 0x92,
},
5, { 0x00, 0x00, 0x00, 0x01, 0x55 },
},
{
{
0x5e, 0x13, 0xd3, 0x1c, 0x70, 0xef, 0x76, 0x57,
0x46, 0x57, 0x85, 0x31, 0xcb, 0x51, 0xc1, 0x5b,
0xf1, 0x1c, 0xa8, 0x2c, 0x97, 0xce, 0xe9, 0xf2,
},
5, { 0x00, 0x00, 0x00, 0x01, 0xaa },
},
{
{
0x98, 0xe6, 0xfd, 0x8a, 0x04, 0xa4, 0xb6, 0x85,
0x9b, 0x75, 0xa1, 0x76, 0x54, 0x0b, 0x97, 0x52,
0xba, 0xd3, 0xec, 0xd6, 0x10, 0xa2, 0x52, 0xbc,
},
5, { 0x00, 0x00, 0x00, 0x01, 0x55 },
},
{
{
0x62, 0x2a, 0xec, 0x25, 0xa2, 0xfe, 0x2c, 0xad,
0x70, 0x94, 0x68, 0x0b, 0x7c, 0x64, 0x94, 0x02,
0x80, 0x08, 0x4c, 0x1a, 0x7c, 0xec, 0x92, 0xb5,
},
5, { 0x00, 0x00, 0x00, 0x01, 0xaa },
},
{
{
0xd3, 0xf8, 0x29, 0x8c, 0xcb, 0x16, 0x64, 0x38,
0xdc, 0xb9, 0xb9, 0x3e, 0xe5, 0xa7, 0x62, 0x92,
0x86, 0xa4, 0x91, 0xf8, 0x38, 0xf8, 0x02, 0xfb,
},
8, { 'k', 'e', 'r', 'b', 'e', 'r', 'o', 's' },
},
{
{
0xb5, 0x5e, 0x98, 0x34, 0x67, 0xe5, 0x51, 0xb3,
0xe5, 0xd0, 0xe5, 0xb6, 0xc8, 0x0d, 0x45, 0x76,
0x94, 0x23, 0xa8, 0x73, 0xdc, 0x62, 0xb3, 0x0e,
},
7, { 'c', 'o', 'm', 'b', 'i', 'n', 'e', },
},
{
{
0xc1, 0x08, 0x16, 0x49, 0xad, 0xa7, 0x43, 0x62,
0xe6, 0xa1, 0x45, 0x9d, 0x01, 0xdf, 0xd3, 0x0d,
0x67, 0xc2, 0x23, 0x4c, 0x94, 0x07, 0x04, 0xda,
},
5, { 0x00, 0x00, 0x00, 0x01, 0x55 },
},
{
{
0x5d, 0x15, 0x4a, 0xf2, 0x38, 0xf4, 0x67, 0x13,
0x15, 0x57, 0x19, 0xd5, 0x5e, 0x2f, 0x1f, 0x79,
0x0d, 0xd6, 0x61, 0xf2, 0x79, 0xa7, 0x91, 0x7c,
},
5, { 0x00, 0x00, 0x00, 0x01, 0xaa },
},
{
{
0x79, 0x85, 0x62, 0xe0, 0x49, 0x85, 0x2f, 0x57,
0xdc, 0x8c, 0x34, 0x3b, 0xa1, 0x7f, 0x2c, 0xa1,
0xd9, 0x73, 0x94, 0xef, 0xc8, 0xad, 0xc4, 0x43,
},
5, { 0x00, 0x00, 0x00, 0x01, 0x55 },
},
{
{
0x26, 0xdc, 0xe3, 0x34, 0xb5, 0x45, 0x29, 0x2f,
0x2f, 0xea, 0xb9, 0xa8, 0x70, 0x1a, 0x89, 0xa4,
0xb9, 0x9e, 0xb9, 0x94, 0x2c, 0xec, 0xd0, 0x16,
},
5, { 0x00, 0x00, 0x00, 0x01, 0xaa },
},
};
int i;
for (i = 0; i < ASIZE(derive_tests); i++) {
#define D (derive_tests[i])
krb5_keyblock key;
krb5_data usage;
unsigned char drData[KEYBYTES];
krb5_data dr;
unsigned char dkData[KEYLENGTH];
krb5_keyblock dk;
key.length = KEYLENGTH, key.contents = D.keydata;
usage.length = D.usage_len, usage.data = D.usage;
dr.length = KEYBYTES, dr.data = drData;
dk.length = KEYLENGTH, dk.contents = dkData;
printf ("key:\t"); printkey (&key); printf ("\n");
printf ("usage:\t"); printdata (&usage); printf ("\n");
DR (&dr, &key, &usage);
printf ("DR:\t"); printdata (&dr); printf ("\n");
DK (&dk, &key, &usage);
printf ("DK:\t"); printkey (&dk); printf ("\n\n");
}
}
static void printd (const char *descr, krb5_data *d) {
int i, j;
const int r = 16;
printf("%s:", descr);
for (i = 0; i < d->length; i += r) {
printf("\n %04x: ", i);
for (j = i; j < i + r && j < d->length; j++)
printf(" %02x", 0xff & d->data[j]);
for (; j < i + r; j++)
printf(" ");
printf(" ");
for (j = i; j < i + r && j < d->length; j++) {
int c = 0xff & d->data[j];
printf("%c", isprint(c) ? c : '.');
}
}
printf("\n");
}
static void printk(const char *descr, krb5_keyblock *k) {
krb5_data d;
d.data = k->contents;
d.length = k->length;
printd(descr, &d);
}
static void
test_pbkdf2()
{
static struct {
int count;
char *pass;
char *salt;
} test[] = {
{ 1, "password", "ATHENA.MIT.EDUraeburn" },
{ 2, "password", "ATHENA.MIT.EDUraeburn" },
{ 1200, "password", "ATHENA.MIT.EDUraeburn" },
{ 5, "password", "\x12\x34\x56\x78\x78\x56\x34\x12" },
{ 1200,
"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
"pass phrase equals block size" },
{ 1200,
"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
"pass phrase exceeds block size" },
{ 50, "\xf0\x9d\x84\x9e", "EXAMPLE.COMpianist" },
};
unsigned char x[100];
unsigned char x2[100];
int j;
krb5_error_code err;
krb5_data d;
krb5_keyblock k, dk;
krb5_data usage, pass, salt;
d.data = x;
dk.contents = x2;
usage.data = "kerberos";
usage.length = 8;
for (j = 0; j < sizeof(test)/sizeof(test[0]); j++) {
printf("pkbdf2(count=%d, pass=\"%s\", salt=",
test[j].count, test[j].pass);
if (isprint(test[j].salt[0]))
printf("\"%s\")\n", test[j].salt);
else {
char *s = test[j].salt;
printf("0x");
while (*s)
printf("%02X", 0xff & *s++);
printf(")\n");
}
d.length = 16;
pass.data = test[j].pass;
pass.length = strlen(pass.data);
salt.data = test[j].salt;
salt.length = strlen(salt.data);
err = krb5int_pbkdf2_hmac_sha1 (&d, test[j].count, &pass, &salt);
printd("128-bit PBKDF2 output", &d);
enc = &krb5int_enc_aes128;
k.contents = d.data;
k.length = d.length;
dk.length = d.length;
DK (&dk, &k, &usage);
printk("128-bit AES key",&dk);
d.length = 32;
err = krb5int_pbkdf2_hmac_sha1 (&d, test[j].count, &pass, &salt);
printd("256-bit PBKDF2 output", &d);
enc = &krb5int_enc_aes256;
k.contents = d.data;
k.length = d.length;
dk.length = d.length;
DK (&dk, &k, &usage);
printk("256-bit AES key", &dk);
printf("\n");
}
}
int main (int argc, char **argv)
{
whoami = argv[0];
test_nfold ();
test_pbkdf2();
return 0;
}