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SUNRPC: Add RFC 8009 checksum KUnit tests

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RFC 8009 provides sample checksum results. Add KUnit tests to ensure
our implementation derives the expected results for the provided
sample input.

Tested-by: Scott Mayhew <smayhew@redhat.com>
Reviewed-by: Simo Sorce <simo@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2023-01-15 12:24:25 -05:00
parent fcbad14b58
commit 003caf4f8c
1 changed files with 53 additions and 0 deletions
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53
net/sunrpc/auth_gss/gss_krb5_test.c
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@ -1514,12 +1514,65 @@ static const struct gss_krb5_test_param rfc8009_kdf_test_params[] = {
/* Creates the function rfc8009_kdf_gen_params */
KUNIT_ARRAY_PARAM(rfc8009_kdf, rfc8009_kdf_test_params, gss_krb5_get_desc);
/*
* From RFC 8009 Appendix A. Test Vectors
*
* These sample checksums use the above sample key derivation results,
* including use of the same base-key and key usage values.
*
* This test material is copyright (c) 2016 IETF Trust and the
* persons identified as the document authors. All rights reserved.
*/
DEFINE_HEX_XDR_NETOBJ(rfc8009_checksum_plaintext,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14
);
DEFINE_HEX_XDR_NETOBJ(rfc8009_checksum_test1_expected_result,
0xd7, 0x83, 0x67, 0x18, 0x66, 0x43, 0xd6, 0x7b,
0x41, 0x1c, 0xba, 0x91, 0x39, 0xfc, 0x1d, 0xee
);
DEFINE_HEX_XDR_NETOBJ(rfc8009_checksum_test2_expected_result,
0x45, 0xee, 0x79, 0x15, 0x67, 0xee, 0xfc, 0xa3,
0x7f, 0x4a, 0xc1, 0xe0, 0x22, 0x2d, 0xe8, 0x0d,
0x43, 0xc3, 0xbf, 0xa0, 0x66, 0x99, 0x67, 0x2a
);
static const struct gss_krb5_test_param rfc8009_checksum_test_params[] = {
{
.desc = "Checksum with aes128-cts-hmac-sha256-128",
.enctype = ENCTYPE_AES128_CTS_HMAC_SHA256_128,
.base_key = &aes128_cts_hmac_sha256_128_basekey,
.usage = &usage_checksum,
.plaintext = &rfc8009_checksum_plaintext,
.expected_result = &rfc8009_checksum_test1_expected_result,
},
{
.desc = "Checksum with aes256-cts-hmac-sha384-192",
.enctype = ENCTYPE_AES256_CTS_HMAC_SHA384_192,
.base_key = &aes256_cts_hmac_sha384_192_basekey,
.usage = &usage_checksum,
.plaintext = &rfc8009_checksum_plaintext,
.expected_result = &rfc8009_checksum_test2_expected_result,
},
};
/* Creates the function rfc8009_checksum_gen_params */
KUNIT_ARRAY_PARAM(rfc8009_checksum, rfc8009_checksum_test_params,
gss_krb5_get_desc);
static struct kunit_case rfc8009_test_cases[] = {
{
.name = "RFC 8009 key derivation",
.run_case = kdf_case,
.generate_params = rfc8009_kdf_gen_params,
},
{
.name = "RFC 8009 checksum",
.run_case = checksum_case,
.generate_params = rfc8009_checksum_gen_params,
},
};
static struct kunit_suite rfc8009_suite = {