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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
* Copyright 2014 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 "k5-int.h"
#include "common.h"
#include "mglueP.h"
#include "gssapiP_krb5.h"
static const char inputstr[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz123456789";
/* For each test, out1 corresponds to key1 with an empty input, and out2
* corresponds to key2 with the above 61-byte input string. */
static struct {
krb5_enctype enctype;
const char *key1;
const char *out1;
const char *key2;
const char *out2;
} tests[] = {
{ ENCTYPE_DES_CBC_CRC,
"E607FE9DABB57AE0",
"803C4121379FC4B87CE413B67707C4632EBED2C6D6B7"
"2A55E878836E35E21600D915D590DED5B6D77BB30A1F",
"54758316B6257A75",
"279E4105F7ADC9BD6EF28ABE31D89B442FE0058388BA"
"33264ACB5729562DC637950F6BD144B654BE7700B2D6" },
{ ENCTYPE_DES3_CBC_SHA1,
"70378A19CD64134580C27C0115D6B34A1CF2FEECEF9886A2",
"9F8D127C520BB826BFF3E0FE5EF352389C17E0C073D9"
"AC4A333D644D21BA3EF24F4A886D143F85AC9F6377FB",
"3452A167DF1094BA1089E0A20E9E51ABEF1525922558B69E",
"6BF24FABC858F8DD9752E4FCD331BB831F238B5BE190"
"4EEA42E38F7A60C588F075C5C96A67E7F8B7BD0AECF4" },
{ ENCTYPE_ARCFOUR_HMAC,
"3BB3AE288C12B3B9D06B208A4151B3B6",
"9AEA11A3BCF3C53F1F91F5A0BA2132E2501ADF5F3C28"
"3C8A983AB88757CE865A22132D6100EAD63E9E291AFA",
"6DB7B33A01BD2B72F7655CB7B3D5FA0B",
"CDA9A544869FC84873B692663A82AFDA101C8611498B"
"A46138B01E927C9B95EEC953B562807434037837DDDF" },
{ ENCTYPE_AES128_CTS_HMAC_SHA1_96,
"6C742096EB896230312B73972FA28B5D",
"94208D982FC1BB7778128BDD77904420B45C9DA699F3"
"117BCE66E39602128EF0296611A6D191A5828530F20F",
"FA61138C109D834A477D24C7311BE6DA",
"0FAEDF0F842CC834FEE750487E1B622739286B975FE5"
"B7F45AB053143C75CA0DF5D3D4BBB80F6A616C7C9027" },
{ ENCTYPE_AES256_CTS_HMAC_SHA1_96,
"08FCDAFD5832611B73BA7B497FEBFF8C954B4B58031CAD9B977C3B8C25192FD6",
"E627EFC14EF5B6D629F830C7109DEA0D3D7D36E8CD57"
"A1F301C5452494A1928F05AFFBEE3360232209D3BE0D",
"F5B68B7823D8944F33F41541B4E4D38C9B2934F8D16334A796645B066152B4BE",
"112F2B2D878590653CCC7DE278E9F0AA46FA5A380B62"
"59F774CB7C134FCD37F61A50FD0D9F89BF8FE1A6B593" },
{ ENCTYPE_CAMELLIA128_CTS_CMAC,
"866E0466A178279A32AC0BDA92B72AEB",
"97FBB354BF341C3A160DCC86A7A910FDA824601DF677"
"68797BACEEBF5D250AE929DEC9760772084267F50A54",
"D4893FD37DA1A211E12DD1E03E0F03B7",
"1DEE2FF126CA563A2A2326B9DD3F0095013257414C83"
"FAD4398901013D55F367C82681186B7B2FE62F746BA4" },
{ ENCTYPE_CAMELLIA256_CTS_CMAC,
"203071B1AE77BD3D6FCE70174AF95C225B1CED46B35CF52B6479EFEB47E6B063",
"9B30020634C10FDA28420CEE7B96B70A90A771CED43A"
"D8346554163E5949CBAE2FB8EF36AFB6B32CE75116A0",
"A171AD582C1AFBBAD52ABD622EE6B6A14D19BF95C6914B2BA40FFD99A88EC660",
"A47CBB6E104DCC77E4DB48A7A474B977F2FB6A7A1AB6"
"52317D50508AE72B7BE2E4E4BA24164E029CBACF786B" }
};
/* Decode hexstr into out. No length checking. */
static size_t
fromhex(const char *hexstr, unsigned char *out)
{
const char *p;
size_t count;
for (p = hexstr, count = 0; *p != '\0'; p += 2, count++)
sscanf(p, "%2hhx", &out[count]);
return count;
}
int
main(int argc, char *argv[])
{
OM_uint32 minor, major;
gss_ctx_id_t context;
gss_union_ctx_id_desc uctx;
krb5_gss_ctx_id_rec kgctx;
krb5_key k1, k2;
krb5_keyblock kb1, kb2;
gss_buffer_desc in, out;
unsigned char k1buf[32], k2buf[32], outbuf[44];
size_t i;
/*
* Fake up just enough of a krb5 GSS context to make gss_pseudo_random
* work, with chosen subkeys and acceptor subkeys. If we implement
* gss_import_lucid_sec_context, we can rewrite this to use public
* interfaces and stop using private headers and internal knowledge of the
* implementation.
*/
context = (gss_ctx_id_t)&uctx;
uctx.mech_type = &mech_krb5;
uctx.internal_ctx_id = (gss_ctx_id_t)&kgctx;
kgctx.k5_context = NULL;
kgctx.have_acceptor_subkey = 1;
kb1.contents = k1buf;
kb2.contents = k2buf;
for (i = 0; i < sizeof(tests) / sizeof(*tests); i++) {
/* Set up the keys for this test. */
kb1.enctype = tests[i].enctype;
kb1.length = fromhex(tests[i].key1, k1buf);
check_k5err(NULL, "create_key", krb5_k_create_key(NULL, &kb1, &k1));
kgctx.subkey = k1;
kb2.enctype = tests[i].enctype;
kb2.length = fromhex(tests[i].key2, k2buf);
check_k5err(NULL, "create_key", krb5_k_create_key(NULL, &kb2, &k2));
kgctx.acceptor_subkey = k2;
/* Generate a PRF value with the subkey and an empty input, and compare
* it to the first expected output. */
in.length = 0;
in.value = NULL;
major = gss_pseudo_random(&minor, context, GSS_C_PRF_KEY_PARTIAL, &in,
44, &out);
check_gsserr("gss_pseudo_random", major, minor);
(void)fromhex(tests[i].out1, outbuf);
assert(out.length == 44 && memcmp(out.value, outbuf, 44) == 0);
(void)gss_release_buffer(&minor, &out);
/* Generate a PRF value with the acceptor subkey and the 61-byte input
* string, and compare it to the second expected output. */
in.length = strlen(inputstr);
in.value = (char *)inputstr;
major = gss_pseudo_random(&minor, context, GSS_C_PRF_KEY_FULL, &in, 44,
&out);
check_gsserr("gss_pseudo_random", major, minor);
(void)fromhex(tests[i].out2, outbuf);
assert(out.length == 44 && memcmp(out.value, outbuf, 44) == 0);
(void)gss_release_buffer(&minor, &out);
/* Also check that generating zero bytes of output works. */
major = gss_pseudo_random(&minor, context, GSS_C_PRF_KEY_FULL, &in, 0,
&out);
check_gsserr("gss_pseudo_random", major, minor);
assert(out.length == 0);
(void)gss_release_buffer(&minor, &out);
krb5_k_free_key(NULL, k1);
krb5_k_free_key(NULL, k2);
}
return 0;
}
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