/*
 * Copyright (c) 2001 Kungliga Tekniska Högskolan
 * (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 KTH 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 KTH AND ITS 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 KTH OR ITS 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. */

#include "krb5_locl.h"
#include <err.h>

enum { MAXSIZE = 32 };

static struct testcase {
    krb5_enctype enctype;
    unsigned char constant[MAXSIZE];
    size_t constant_len;
    unsigned char key[MAXSIZE];
    unsigned char res[MAXSIZE];
} tests[] = {
    {ETYPE_DES3_CBC_SHA1, {0x00, 0x00, 0x00, 0x01, 0x55}, 5,
    {0xdc, 0xe0, 0x6b, 0x1f, 0x64, 0xc8, 0x57, 0xa1, 0x1c, 0x3d, 0xb5, 0x7c, 0x51, 0x89, 0x9b, 0x2c, 0xc1, 0x79, 0x10, 0x08, 0xce, 0x97, 0x3b, 0x92},
    {0x92, 0x51, 0x79, 0xd0, 0x45, 0x91, 0xa7, 0x9b, 0x5d, 0x31, 0x92, 0xc4, 0xa7, 0xe9, 0xc2, 0x89, 0xb0, 0x49, 0xc7, 0x1f, 0x6e, 0xe6, 0x04, 0xcd}},
    {ETYPE_DES3_CBC_SHA1, {0x00, 0x00, 0x00, 0x01, 0xaa}, 5,
     {0x5e, 0x13, 0xd3, 0x1c, 0x70, 0xef, 0x76, 0x57, 0x46, 0x57, 0x85, 0x31, 0xcb, 0x51, 0xc1, 0x5b, 0xf1, 0x1c, 0xa8, 0x2c, 0x97, 0xce, 0xe9, 0xf2},
     {0x9e, 0x58, 0xe5, 0xa1, 0x46, 0xd9, 0x94, 0x2a, 0x10, 0x1c, 0x46, 0x98, 0x45, 0xd6, 0x7a, 0x20, 0xe3, 0xc4, 0x25, 0x9e, 0xd9, 0x13, 0xf2, 0x07}},
    {ETYPE_DES3_CBC_SHA1, {0x00, 0x00, 0x00, 0x01, 0x55}, 5,
     {0x98, 0xe6, 0xfd, 0x8a, 0x04, 0xa4, 0xb6, 0x85, 0x9b, 0x75, 0xa1, 0x76, 0x54, 0x0b, 0x97, 0x52, 0xba, 0xd3, 0xec, 0xd6, 0x10, 0xa2, 0x52, 0xbc},
     {0x13, 0xfe, 0xf8, 0x0d, 0x76, 0x3e, 0x94, 0xec, 0x6d, 0x13, 0xfd, 0x2c, 0xa1, 0xd0, 0x85, 0x07, 0x02, 0x49, 0xda, 0xd3, 0x98, 0x08, 0xea, 0xbf}},
    {ETYPE_DES3_CBC_SHA1, {0x00, 0x00, 0x00, 0x01, 0xaa}, 5,
     {0x62, 0x2a, 0xec, 0x25, 0xa2, 0xfe, 0x2c, 0xad, 0x70, 0x94, 0x68, 0x0b, 0x7c, 0x64, 0x94, 0x02, 0x80, 0x08, 0x4c, 0x1a, 0x7c, 0xec, 0x92, 0xb5},
     {0xf8, 0xdf, 0xbf, 0x04, 0xb0, 0x97, 0xe6, 0xd9, 0xdc, 0x07, 0x02, 0x68, 0x6b, 0xcb, 0x34, 0x89, 0xd9, 0x1f, 0xd9, 0xa4, 0x51, 0x6b, 0x70, 0x3e}},
    {ETYPE_DES3_CBC_SHA1, {0x6b, 0x65, 0x72, 0x62, 0x65, 0x72, 0x6f, 0x73}, 8,
     {0xd3, 0xf8, 0x29, 0x8c, 0xcb, 0x16, 0x64, 0x38, 0xdc, 0xb9, 0xb9, 0x3e, 0xe5, 0xa7, 0x62, 0x92, 0x86, 0xa4, 0x91, 0xf8, 0x38, 0xf8, 0x02, 0xfb},
     {0x23, 0x70, 0xda, 0x57, 0x5d, 0x2a, 0x3d, 0xa8, 0x64, 0xce, 0xbf, 0xdc, 0x52, 0x04, 0xd5, 0x6d, 0xf7, 0x79, 0xa7, 0xdf, 0x43, 0xd9, 0xda, 0x43}},
    {ETYPE_DES3_CBC_SHA1, {0x63, 0x6f, 0x6d, 0x62, 0x69, 0x6e, 0x65}, 7,
     {0xb5, 0x5e, 0x98, 0x34, 0x67, 0xe5, 0x51, 0xb3, 0xe5, 0xd0, 0xe5, 0xb6, 0xc8, 0x0d, 0x45, 0x76, 0x94, 0x23, 0xa8, 0x73, 0xdc, 0x62, 0xb3, 0x0e},
     {0x01, 0x26, 0x38, 0x8a, 0xad, 0xc8, 0x1a, 0x1f, 0x2a, 0x62, 0xbc, 0x45, 0xf8, 0xd5, 0xc1, 0x91, 0x51, 0xba, 0xcd, 0xd5, 0xcb, 0x79, 0x8a, 0x3e}},
    {ETYPE_DES3_CBC_SHA1, {0x00, 0x00, 0x00, 0x01, 0x55}, 5,
     {0xc1, 0x08, 0x16, 0x49, 0xad, 0xa7, 0x43, 0x62, 0xe6, 0xa1, 0x45, 0x9d, 0x01, 0xdf, 0xd3, 0x0d, 0x67, 0xc2, 0x23, 0x4c, 0x94, 0x07, 0x04, 0xda},
     {0x34, 0x80, 0x57, 0xec, 0x98, 0xfd, 0xc4, 0x80, 0x16, 0x16, 0x1c, 0x2a, 0x4c, 0x7a, 0x94, 0x3e, 0x92, 0xae, 0x49, 0x2c, 0x98, 0x91, 0x75, 0xf7}},
    {ETYPE_DES3_CBC_SHA1, {0x00, 0x00, 0x00, 0x01, 0xaa}, 5,
     {0x5d, 0x15, 0x4a, 0xf2, 0x38, 0xf4, 0x67, 0x13, 0x15, 0x57, 0x19, 0xd5, 0x5e, 0x2f, 0x1f, 0x79, 0x0d, 0xd6, 0x61, 0xf2, 0x79, 0xa7, 0x91, 0x7c},
     {0xa8, 0x80, 0x8a, 0xc2, 0x67, 0xda, 0xda, 0x3d, 0xcb, 0xe9, 0xa7, 0xc8, 0x46, 0x26, 0xfb, 0xc7, 0x61, 0xc2, 0x94, 0xb0, 0x13, 0x15, 0xe5, 0xc1}},
    {ETYPE_DES3_CBC_SHA1, {0x00, 0x00, 0x00, 0x01, 0x55}, 5,
     {0x79, 0x85, 0x62, 0xe0, 0x49, 0x85, 0x2f, 0x57, 0xdc, 0x8c, 0x34, 0x3b, 0xa1, 0x7f, 0x2c, 0xa1, 0xd9, 0x73, 0x94, 0xef, 0xc8, 0xad, 0xc4, 0x43},
     {0xc8, 0x13, 0xf8, 0x8a, 0x3b, 0xe3, 0xb3, 0x34, 0xf7, 0x54, 0x25, 0xce, 0x91, 0x75, 0xfb, 0xe3, 0xc8, 0x49, 0x3b, 0x89, 0xc8, 0x70, 0x3b, 0x49}},
    {ETYPE_DES3_CBC_SHA1, {0x00, 0x00, 0x00, 0x01, 0xaa}, 5,
     {0x26, 0xdc, 0xe3, 0x34, 0xb5, 0x45, 0x29, 0x2f, 0x2f, 0xea, 0xb9, 0xa8, 0x70, 0x1a, 0x89, 0xa4, 0xb9, 0x9e, 0xb9, 0x94, 0x2c, 0xec, 0xd0, 0x16},
     {0xf4, 0x8f, 0xfd, 0x6e, 0x83, 0xf8, 0x3e, 0x73, 0x54, 0xe6, 0x94, 0xfd, 0x25, 0x2c, 0xf8, 0x3b, 0xfe, 0x58, 0xf7, 0xd5, 0xba, 0x37, 0xec, 0x5d}},
    {ETYPE_AES128_CTS_HMAC_SHA256_128, {0x00, 0x00, 0x00, 0x02, 0x99}, 5,
     {0x37, 0x05, 0xD9, 0x60, 0x80, 0xC1, 0x77, 0x28, 0xA0, 0xE8, 0x00, 0xEA, 0xB6, 0xE0, 0xD2, 0x3C},
     {0xB3, 0x1A, 0x01, 0x8A, 0x48, 0xF5, 0x47, 0x76, 0xF4, 0x03, 0xE9, 0xA3, 0x96, 0x32, 0x5D, 0xC3}},
    {ETYPE_AES128_CTS_HMAC_SHA256_128, {0x00, 0x00, 0x00, 0x02, 0xAA}, 5,
     {0x37, 0x05, 0xD9, 0x60, 0x80, 0xC1, 0x77, 0x28, 0xA0, 0xE8, 0x00, 0xEA, 0xB6, 0xE0, 0xD2, 0x3C},
     {0x9B, 0x19, 0x7D, 0xD1, 0xE8, 0xC5, 0x60, 0x9D, 0x6E, 0x67, 0xC3, 0xE3, 0x7C, 0x62, 0xC7, 0x2E}},
    {ETYPE_AES128_CTS_HMAC_SHA256_128, {0x00, 0x00, 0x00, 0x02, 0x55}, 5,
     {0x37, 0x05, 0xD9, 0x60, 0x80, 0xC1, 0x77, 0x28, 0xA0, 0xE8, 0x00, 0xEA, 0xB6, 0xE0, 0xD2, 0x3C},
     {0x9F, 0xDA, 0x0E, 0x56, 0xAB, 0x2D, 0x85, 0xE1, 0x56, 0x9A, 0x68, 0x86, 0x96, 0xC2, 0x6A, 0x6C}},
    {ETYPE_AES256_CTS_HMAC_SHA384_192, {0x00, 0x00, 0x00, 0x02, 0x99}, 5,
     {0x6D, 0x40, 0x4D, 0x37, 0xFA, 0xF7, 0x9F, 0x9D, 0xF0, 0xD3, 0x35, 0x68, 0xD3, 0x20, 0x66, 0x98,
      0x00, 0xEB, 0x48, 0x36, 0x47, 0x2E, 0xA8, 0xA0, 0x26, 0xD1, 0x6B, 0x71, 0x82, 0x46, 0x0C, 0x52},
     {0xEF, 0x57, 0x18, 0xBE, 0x86, 0xCC, 0x84, 0x96, 0x3D, 0x8B, 0xBB, 0x50, 0x31, 0xE9, 0xF5, 0xC4,
      0xBA, 0x41, 0xF2, 0x8F, 0xAF, 0x69, 0xE7, 0x3D }},
    {ETYPE_AES256_CTS_HMAC_SHA384_192, {0x00, 0x00, 0x00, 0x02, 0xAA}, 5,
     {0x6D, 0x40, 0x4D, 0x37, 0xFA, 0xF7, 0x9F, 0x9D, 0xF0, 0xD3, 0x35, 0x68, 0xD3, 0x20, 0x66, 0x98,
      0x00, 0xEB, 0x48, 0x36, 0x47, 0x2E, 0xA8, 0xA0, 0x26, 0xD1, 0x6B, 0x71, 0x82, 0x46, 0x0C, 0x52},
     {0x56, 0xAB, 0x22, 0xBE, 0xE6, 0x3D, 0x82, 0xD7, 0xBC, 0x52, 0x27, 0xF6, 0x77, 0x3F, 0x8E, 0xA7,
      0xA5, 0xEB, 0x1C, 0x82, 0x51, 0x60, 0xC3, 0x83, 0x12, 0x98, 0x0C, 0x44, 0x2E, 0x5C, 0x7E, 0x49}},
    {ETYPE_AES256_CTS_HMAC_SHA384_192, {0x00, 0x00, 0x00, 0x02, 0x55}, 5,
     {0x6D, 0x40, 0x4D, 0x37, 0xFA, 0xF7, 0x9F, 0x9D, 0xF0, 0xD3, 0x35, 0x68, 0xD3, 0x20, 0x66, 0x98,
      0x00, 0xEB, 0x48, 0x36, 0x47, 0x2E, 0xA8, 0xA0, 0x26, 0xD1, 0x6B, 0x71, 0x82, 0x46, 0x0C, 0x52},
     {0x69, 0xB1, 0x65, 0x14, 0xE3, 0xCD, 0x8E, 0x56, 0xB8, 0x20, 0x10, 0xD5, 0xC7, 0x30, 0x12, 0xB6,
      0x22, 0xC4, 0xD0, 0x0F, 0xFC, 0x23, 0xED, 0x1F}},
    {0, {0}, 0, {0}, {0}}
};

int
main(int argc, char **argv)
{
    struct testcase *t;
    krb5_context context;
    krb5_error_code ret;
    int val = 0;

    ret = krb5_init_context (&context);
    if (ret)
	errx (1, "krb5_init_context failed: %d", ret);

    for (t = tests; t->enctype != 0; ++t) {
	krb5_keyblock key;
	krb5_keyblock *dkey;

	key.keytype = t->enctype;
	krb5_enctype_keysize(context, t->enctype, &key.keyvalue.length);
	key.keyvalue.data   = t->key;

	ret = krb5_derive_key(context, &key, t->enctype, t->constant,
			      t->constant_len, &dkey);
	if (ret)
	    krb5_err (context, 1, ret, "krb5_derive_key");
	if (memcmp (dkey->keyvalue.data, t->res, dkey->keyvalue.length) != 0) {
	    const unsigned char *p = dkey->keyvalue.data;
	    int i;

	    printf ("derive_key failed (enctype %d)\n", t->enctype);
	    printf ("should be: ");
	    for (i = 0; i < dkey->keyvalue.length; ++i)
		printf ("%02x", t->res[i]);
	    printf ("\nresult was: ");
	    for (i = 0; i < dkey->keyvalue.length; ++i)
		printf ("%02x", p[i]);
	    printf ("\n");
	    val = 1;
	}
	krb5_free_keyblock(context, dkey);
    }
    krb5_free_context(context);

    return val;
}