isc_result_t
dns_ds_buildrdata(dns_name_t *owner, dns_rdata_t *key,
unsigned int digest_type, unsigned char *buffer,
dns_rdata_t *rdata)
{
dns_fixedname_t fname;
dns_name_t *name;
unsigned char digest[ISC_SHA384_DIGESTLENGTH];
isc_region_t r;
isc_buffer_t b;
dns_rdata_ds_t ds;
isc_sha1_t sha1;
isc_sha256_t sha256;
isc_sha384_t sha384;
#if defined(HAVE_OPENSSL_GOST) || defined(HAVE_PKCS11_GOST)
isc_gost_t gost;
#endif
REQUIRE(key != NULL);
REQUIRE(key->type == dns_rdatatype_dnskey);
if (!dst_ds_digest_supported(digest_type))
return (ISC_R_NOTIMPLEMENTED);
dns_fixedname_init(&fname);
name = dns_fixedname_name(&fname);
(void)dns_name_downcase(owner, name, NULL);
memset(buffer, 0, DNS_DS_BUFFERSIZE);
isc_buffer_init(&b, buffer, DNS_DS_BUFFERSIZE);
switch (digest_type) {
case DNS_DSDIGEST_SHA1:
isc_sha1_init(&sha1);
dns_name_toregion(name, &r);
isc_sha1_update(&sha1, r.base, r.length);
dns_rdata_toregion(key, &r);
INSIST(r.length >= 4);
isc_sha1_update(&sha1, r.base, r.length);
isc_sha1_final(&sha1, digest);
break;
#if defined(HAVE_OPENSSL_GOST) || defined(HAVE_PKCS11_GOST)
#define RETERR(x) do { \
isc_result_t ret = (x); \
if (ret != ISC_R_SUCCESS) { \
isc_gost_invalidate(&gost); \
return (ret); \
} \
} while (/*CONSTCOND*/0)
case DNS_DSDIGEST_GOST:
RETERR(isc_gost_init(&gost));
dns_name_toregion(name, &r);
RETERR(isc_gost_update(&gost, r.base, r.length));
dns_rdata_toregion(key, &r);
INSIST(r.length >= 4);
RETERR(isc_gost_update(&gost, r.base, r.length));
RETERR(isc_gost_final(&gost, digest));
break;
#endif
case DNS_DSDIGEST_SHA384:
isc_sha384_init(&sha384);
dns_name_toregion(name, &r);
isc_sha384_update(&sha384, r.base, r.length);
dns_rdata_toregion(key, &r);
INSIST(r.length >= 4);
isc_sha384_update(&sha384, r.base, r.length);
isc_sha384_final(digest, &sha384);
break;
case DNS_DSDIGEST_SHA256:
default:
isc_sha256_init(&sha256);
dns_name_toregion(name, &r);
isc_sha256_update(&sha256, r.base, r.length);
dns_rdata_toregion(key, &r);
INSIST(r.length >= 4);
isc_sha256_update(&sha256, r.base, r.length);
isc_sha256_final(digest, &sha256);
break;
}
ds.mctx = NULL;
ds.common.rdclass = key->rdclass;
ds.common.rdtype = dns_rdatatype_ds;
ds.algorithm = r.base[3];
ds.key_tag = dst_region_computeid(&r, ds.algorithm);
ds.digest_type = digest_type;
switch (digest_type) {
case DNS_DSDIGEST_SHA1:
ds.length = ISC_SHA1_DIGESTLENGTH;
break;
#if defined(HAVE_OPENSSL_GOST) || defined(HAVE_PKCS11_GOST)
case DNS_DSDIGEST_GOST:
ds.length = ISC_GOST_DIGESTLENGTH;
break;
#endif
case DNS_DSDIGEST_SHA384:
ds.length = ISC_SHA384_DIGESTLENGTH;
break;
case DNS_DSDIGEST_SHA256:
default:
ds.length = ISC_SHA256_DIGESTLENGTH;
break;
}
ds.digest = digest;
return (dns_rdata_fromstruct(rdata, key->rdclass, dns_rdatatype_ds,
&ds, &b));
}
ATF_TC_BODY(isc_gost_md, tc) {
isc_gost_t gost;
isc_result_t result;
UNUSED(tc);
/*
* These are the various test vectors. All of these are passed
* through the hash function and the results are compared to the
* result specified here.
*/
hash_testcase_t testcases[] = {
/* Test 1 */
{
TEST_INPUT(""),
"0x981E5F3CA30C841487830F84FB433E1"
"3AC1101569B9C13584AC483234CD656C0",
1
},
/* Test 2 */
{
TEST_INPUT("a"),
"0xE74C52DD282183BF37AF0079C9F7805"
"5715A103F17E3133CEFF1AACF2F403011",
1
},
/* Test 3 */
{
TEST_INPUT("abc"),
"0xB285056DBF18D7392D7677369524DD1"
"4747459ED8143997E163B2986F92FD42C",
1
},
/* Test 4 */
{
TEST_INPUT("message digest"),
"0xBC6041DD2AA401EBFA6E9886734174F"
"EBDB4729AA972D60F549AC39B29721BA0",
1
},
/* Test 5 */
{
TEST_INPUT("The quick brown fox jumps "
"over the lazy dog"),
"0x9004294A361A508C586FE53D1F1B027"
"46765E71B765472786E4770D565830A76",
1
},
/* Test 6 */
{
TEST_INPUT("ABCDEFGHIJKLMNOPQRSTUVWXYZabcde"
"fghijklmnopqrstuvwxyz0123456789"),
"0x73B70A39497DE53A6E08C67B6D4DB85"
"3540F03E9389299D9B0156EF7E85D0F61",
1
},
/* Test 7 */
{
TEST_INPUT("1234567890123456789012345678901"
"2345678901234567890123456789012"
"345678901234567890"),
"0x6BC7B38989B28CF93AE8842BF9D7529"
"05910A7528A61E5BCE0782DE43E610C90",
1
},
/* Test 8 */
{
TEST_INPUT("This is message, length=32 bytes"),
"0x2CEFC2F7B7BDC514E18EA57FA74FF35"
"7E7FA17D652C75F69CB1BE7893EDE48EB",
1
},
/* Test 9 */
{
TEST_INPUT("Suppose the original message "
"has length = 50 bytes"),
"0xC3730C5CBCCACF915AC292676F21E8B"
"D4EF75331D9405E5F1A61DC3130A65011",
1
},
/* Test 10 */
{
TEST_INPUT("U") /* times 128 */,
"0x1C4AC7614691BBF427FA2316216BE8F"
"10D92EDFD37CD1027514C1008F649C4E8",
128
},
/* Test 11 */
{
TEST_INPUT("a") /* times 1000000 */,
"0x8693287AA62F9478F7CB312EC0866B6"
"C4E4A0F11160441E8F4FFCD2715DD554F",
1000000
},
{ NULL, 0, NULL, 1 }
};
result = dns_test_begin(NULL, ISC_FALSE);
ATF_REQUIRE(result == ISC_R_SUCCESS);
hash_testcase_t *testcase = testcases;
while (testcase->input != NULL && testcase->result != NULL) {
result = isc_gost_init(&gost);
ATF_REQUIRE(result == ISC_R_SUCCESS);
for(i = 0; i < testcase->repeats; i++) {
result = isc_gost_update(&gost,
(const isc_uint8_t *) testcase->input,
testcase->input_len);
ATF_REQUIRE(result == ISC_R_SUCCESS);
}
result = isc_gost_final(&gost, digest);
ATF_REQUIRE(result == ISC_R_SUCCESS);
tohexstr(digest, ISC_GOST_DIGESTLENGTH, str);
ATF_CHECK_STREQ(str, testcase->result);
testcase++;
}
dns_test_end();
}