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/*
AES-CMAC-128 tests
Copyright (C) Stefan Metzmacher 2012
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "replace.h"
#include "../lib/util/samba_util.h"
#include "lib/crypto/aes.h"
#include "lib/crypto/aes_cmac_128.h"
struct torture_context;
bool torture_local_crypto_aes_cmac_128(struct torture_context *torture);
/*
This uses the test values from rfc 4493
*/
bool torture_local_crypto_aes_cmac_128(struct torture_context *torture)
{
bool ret = true;
uint32_t i;
DATA_BLOB key;
struct {
DATA_BLOB data;
DATA_BLOB cmac;
} testarray[5];
TALLOC_CTX *tctx = talloc_new(torture);
if (!tctx) { return false; };
key = strhex_to_data_blob(tctx, "2b7e151628aed2a6abf7158809cf4f3c");
testarray[0].data = data_blob_null;
testarray[0].cmac = strhex_to_data_blob(tctx,
"bb1d6929e95937287fa37d129b756746");
testarray[1].data = strhex_to_data_blob(tctx,
"6bc1bee22e409f96e93d7e117393172a");
testarray[1].cmac = strhex_to_data_blob(tctx,
"070a16b46b4d4144f79bdd9dd04a287c");
testarray[2].data = strhex_to_data_blob(tctx,
"6bc1bee22e409f96e93d7e117393172a"
"ae2d8a571e03ac9c9eb76fac45af8e51"
"30c81c46a35ce411");
testarray[2].cmac = strhex_to_data_blob(tctx,
"dfa66747de9ae63030ca32611497c827");
testarray[3].data = strhex_to_data_blob(tctx,
"6bc1bee22e409f96e93d7e117393172a"
"ae2d8a571e03ac9c9eb76fac45af8e51"
"30c81c46a35ce411e5fbc1191a0a52ef"
"f69f2445df4f9b17ad2b417be66c3710");
testarray[3].cmac = strhex_to_data_blob(tctx,
"51f0bebf7e3b9d92fc49741779363cfe");
ZERO_STRUCT(testarray[4]);
for (i=0; testarray[i].cmac.length != 0; i++) {
struct aes_cmac_128_context ctx;
uint8_t cmac[AES_BLOCK_SIZE];
int e;
aes_cmac_128_init(&ctx, key.data);
aes_cmac_128_update(&ctx,
testarray[i].data.data,
testarray[i].data.length);
aes_cmac_128_final(&ctx, cmac);
e = memcmp(testarray[i].cmac.data, cmac, sizeof(cmac));
if (e != 0) {
printf("aes_cmac_128 test[%u]: failed\n", i);
dump_data(0, key.data, key.length);
dump_data(0, testarray[i].data.data, testarray[i].data.length);
dump_data(0, testarray[i].cmac.data, testarray[i].cmac.length);
dump_data(0, cmac, sizeof(cmac));
ret = false;
}
}
for (i=0; testarray[i].cmac.length != 0; i++) {
struct aes_cmac_128_context ctx;
uint8_t cmac[AES_BLOCK_SIZE];
int e;
size_t j;
aes_cmac_128_init(&ctx, key.data);
for (j=0; j < testarray[i].data.length; j++) {
aes_cmac_128_update(&ctx, NULL, 0);
aes_cmac_128_update(&ctx,
&testarray[i].data.data[j],
1);
aes_cmac_128_update(&ctx, NULL, 0);
}
aes_cmac_128_final(&ctx, cmac);
e = memcmp(testarray[i].cmac.data, cmac, sizeof(cmac));
if (e != 0) {
printf("aes_cmac_128 chunked test[%u]: failed\n", i);
dump_data(0, key.data, key.length);
dump_data(0, testarray[i].data.data, testarray[i].data.length);
dump_data(0, testarray[i].cmac.data, testarray[i].cmac.length);
dump_data(0, cmac, sizeof(cmac));
ret = false;
}
}
talloc_free(tctx);
return ret;
}
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