diff options
Diffstat (limited to 'net/sunrpc/auth_gss/gss_krb5_test.c')
-rw-r--r-- | net/sunrpc/auth_gss/gss_krb5_test.c | 267 |
1 files changed, 265 insertions, 2 deletions
diff --git a/net/sunrpc/auth_gss/gss_krb5_test.c b/net/sunrpc/auth_gss/gss_krb5_test.c index 550f1b3a11a3..2f7e31b8004e 100644 --- a/net/sunrpc/auth_gss/gss_krb5_test.c +++ b/net/sunrpc/auth_gss/gss_krb5_test.c @@ -23,9 +23,11 @@ struct gss_krb5_test_param { u32 enctype; u32 nfold; const struct xdr_netobj *base_key; + const struct xdr_netobj *Ke; const struct xdr_netobj *usage; - const struct xdr_netobj *plaintext; + const struct xdr_netobj *plaintext; const struct xdr_netobj *expected_result; + const struct xdr_netobj *next_iv; }; static inline void gss_krb5_get_desc(const struct gss_krb5_test_param *param, @@ -465,7 +467,268 @@ static struct kunit_suite rfc3961_suite = { .test_cases = rfc3961_test_cases, }; -kunit_test_suites(&rfc3961_suite); +/* + * From RFC 3962 Appendix B: Sample Test Vectors + * + * Some test vectors for CBC with ciphertext stealing, using an + * initial vector of all-zero. + * + * This test material is copyright (C) The Internet Society (2005). + */ + +DEFINE_HEX_XDR_NETOBJ(rfc3962_encryption_key, + 0x63, 0x68, 0x69, 0x63, 0x6b, 0x65, 0x6e, 0x20, + 0x74, 0x65, 0x72, 0x69, 0x79, 0x61, 0x6b, 0x69 +); + +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test1_plaintext, + 0x49, 0x20, 0x77, 0x6f, 0x75, 0x6c, 0x64, 0x20, + 0x6c, 0x69, 0x6b, 0x65, 0x20, 0x74, 0x68, 0x65, + 0x20 +); +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test1_expected_result, + 0xc6, 0x35, 0x35, 0x68, 0xf2, 0xbf, 0x8c, 0xb4, + 0xd8, 0xa5, 0x80, 0x36, 0x2d, 0xa7, 0xff, 0x7f, + 0x97 +); +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test1_next_iv, + 0xc6, 0x35, 0x35, 0x68, 0xf2, 0xbf, 0x8c, 0xb4, + 0xd8, 0xa5, 0x80, 0x36, 0x2d, 0xa7, 0xff, 0x7f +); + +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test2_plaintext, + 0x49, 0x20, 0x77, 0x6f, 0x75, 0x6c, 0x64, 0x20, + 0x6c, 0x69, 0x6b, 0x65, 0x20, 0x74, 0x68, 0x65, + 0x20, 0x47, 0x65, 0x6e, 0x65, 0x72, 0x61, 0x6c, + 0x20, 0x47, 0x61, 0x75, 0x27, 0x73, 0x20 +); +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test2_expected_result, + 0xfc, 0x00, 0x78, 0x3e, 0x0e, 0xfd, 0xb2, 0xc1, + 0xd4, 0x45, 0xd4, 0xc8, 0xef, 0xf7, 0xed, 0x22, + 0x97, 0x68, 0x72, 0x68, 0xd6, 0xec, 0xcc, 0xc0, + 0xc0, 0x7b, 0x25, 0xe2, 0x5e, 0xcf, 0xe5 +); +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test2_next_iv, + 0xfc, 0x00, 0x78, 0x3e, 0x0e, 0xfd, 0xb2, 0xc1, + 0xd4, 0x45, 0xd4, 0xc8, 0xef, 0xf7, 0xed, 0x22 +); + +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test3_plaintext, + 0x49, 0x20, 0x77, 0x6f, 0x75, 0x6c, 0x64, 0x20, + 0x6c, 0x69, 0x6b, 0x65, 0x20, 0x74, 0x68, 0x65, + 0x20, 0x47, 0x65, 0x6e, 0x65, 0x72, 0x61, 0x6c, + 0x20, 0x47, 0x61, 0x75, 0x27, 0x73, 0x20, 0x43 +); +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test3_expected_result, + 0x39, 0x31, 0x25, 0x23, 0xa7, 0x86, 0x62, 0xd5, + 0xbe, 0x7f, 0xcb, 0xcc, 0x98, 0xeb, 0xf5, 0xa8, + 0x97, 0x68, 0x72, 0x68, 0xd6, 0xec, 0xcc, 0xc0, + 0xc0, 0x7b, 0x25, 0xe2, 0x5e, 0xcf, 0xe5, 0x84 +); +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test3_next_iv, + 0x39, 0x31, 0x25, 0x23, 0xa7, 0x86, 0x62, 0xd5, + 0xbe, 0x7f, 0xcb, 0xcc, 0x98, 0xeb, 0xf5, 0xa8 +); + +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test4_plaintext, + 0x49, 0x20, 0x77, 0x6f, 0x75, 0x6c, 0x64, 0x20, + 0x6c, 0x69, 0x6b, 0x65, 0x20, 0x74, 0x68, 0x65, + 0x20, 0x47, 0x65, 0x6e, 0x65, 0x72, 0x61, 0x6c, + 0x20, 0x47, 0x61, 0x75, 0x27, 0x73, 0x20, 0x43, + 0x68, 0x69, 0x63, 0x6b, 0x65, 0x6e, 0x2c, 0x20, + 0x70, 0x6c, 0x65, 0x61, 0x73, 0x65, 0x2c +); +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test4_expected_result, + 0x97, 0x68, 0x72, 0x68, 0xd6, 0xec, 0xcc, 0xc0, + 0xc0, 0x7b, 0x25, 0xe2, 0x5e, 0xcf, 0xe5, 0x84, + 0xb3, 0xff, 0xfd, 0x94, 0x0c, 0x16, 0xa1, 0x8c, + 0x1b, 0x55, 0x49, 0xd2, 0xf8, 0x38, 0x02, 0x9e, + 0x39, 0x31, 0x25, 0x23, 0xa7, 0x86, 0x62, 0xd5, + 0xbe, 0x7f, 0xcb, 0xcc, 0x98, 0xeb, 0xf5 +); +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test4_next_iv, + 0xb3, 0xff, 0xfd, 0x94, 0x0c, 0x16, 0xa1, 0x8c, + 0x1b, 0x55, 0x49, 0xd2, 0xf8, 0x38, 0x02, 0x9e +); + +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test5_plaintext, + 0x49, 0x20, 0x77, 0x6f, 0x75, 0x6c, 0x64, 0x20, + 0x6c, 0x69, 0x6b, 0x65, 0x20, 0x74, 0x68, 0x65, + 0x20, 0x47, 0x65, 0x6e, 0x65, 0x72, 0x61, 0x6c, + 0x20, 0x47, 0x61, 0x75, 0x27, 0x73, 0x20, 0x43, + 0x68, 0x69, 0x63, 0x6b, 0x65, 0x6e, 0x2c, 0x20, + 0x70, 0x6c, 0x65, 0x61, 0x73, 0x65, 0x2c, 0x20 +); +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test5_expected_result, + 0x97, 0x68, 0x72, 0x68, 0xd6, 0xec, 0xcc, 0xc0, + 0xc0, 0x7b, 0x25, 0xe2, 0x5e, 0xcf, 0xe5, 0x84, + 0x9d, 0xad, 0x8b, 0xbb, 0x96, 0xc4, 0xcd, 0xc0, + 0x3b, 0xc1, 0x03, 0xe1, 0xa1, 0x94, 0xbb, 0xd8, + 0x39, 0x31, 0x25, 0x23, 0xa7, 0x86, 0x62, 0xd5, + 0xbe, 0x7f, 0xcb, 0xcc, 0x98, 0xeb, 0xf5, 0xa8 +); +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test5_next_iv, + 0x9d, 0xad, 0x8b, 0xbb, 0x96, 0xc4, 0xcd, 0xc0, + 0x3b, 0xc1, 0x03, 0xe1, 0xa1, 0x94, 0xbb, 0xd8 +); + +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test6_plaintext, + 0x49, 0x20, 0x77, 0x6f, 0x75, 0x6c, 0x64, 0x20, + 0x6c, 0x69, 0x6b, 0x65, 0x20, 0x74, 0x68, 0x65, + 0x20, 0x47, 0x65, 0x6e, 0x65, 0x72, 0x61, 0x6c, + 0x20, 0x47, 0x61, 0x75, 0x27, 0x73, 0x20, 0x43, + 0x68, 0x69, 0x63, 0x6b, 0x65, 0x6e, 0x2c, 0x20, + 0x70, 0x6c, 0x65, 0x61, 0x73, 0x65, 0x2c, 0x20, + 0x61, 0x6e, 0x64, 0x20, 0x77, 0x6f, 0x6e, 0x74, + 0x6f, 0x6e, 0x20, 0x73, 0x6f, 0x75, 0x70, 0x2e +); +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test6_expected_result, + 0x97, 0x68, 0x72, 0x68, 0xd6, 0xec, 0xcc, 0xc0, + 0xc0, 0x7b, 0x25, 0xe2, 0x5e, 0xcf, 0xe5, 0x84, + 0x39, 0x31, 0x25, 0x23, 0xa7, 0x86, 0x62, 0xd5, + 0xbe, 0x7f, 0xcb, 0xcc, 0x98, 0xeb, 0xf5, 0xa8, + 0x48, 0x07, 0xef, 0xe8, 0x36, 0xee, 0x89, 0xa5, + 0x26, 0x73, 0x0d, 0xbc, 0x2f, 0x7b, 0xc8, 0x40, + 0x9d, 0xad, 0x8b, 0xbb, 0x96, 0xc4, 0xcd, 0xc0, + 0x3b, 0xc1, 0x03, 0xe1, 0xa1, 0x94, 0xbb, 0xd8 +); +DEFINE_HEX_XDR_NETOBJ(rfc3962_enc_test6_next_iv, + 0x48, 0x07, 0xef, 0xe8, 0x36, 0xee, 0x89, 0xa5, + 0x26, 0x73, 0x0d, 0xbc, 0x2f, 0x7b, 0xc8, 0x40 +); + +static const struct gss_krb5_test_param rfc3962_encrypt_test_params[] = { + { + .desc = "Encrypt with aes128-cts-hmac-sha1-96 case 1", + .enctype = ENCTYPE_AES128_CTS_HMAC_SHA1_96, + .Ke = &rfc3962_encryption_key, + .plaintext = &rfc3962_enc_test1_plaintext, + .expected_result = &rfc3962_enc_test1_expected_result, + .next_iv = &rfc3962_enc_test1_next_iv, + }, + { + .desc = "Encrypt with aes128-cts-hmac-sha1-96 case 2", + .enctype = ENCTYPE_AES128_CTS_HMAC_SHA1_96, + .Ke = &rfc3962_encryption_key, + .plaintext = &rfc3962_enc_test2_plaintext, + .expected_result = &rfc3962_enc_test2_expected_result, + .next_iv = &rfc3962_enc_test2_next_iv, + }, + { + .desc = "Encrypt with aes128-cts-hmac-sha1-96 case 3", + .enctype = ENCTYPE_AES128_CTS_HMAC_SHA1_96, + .Ke = &rfc3962_encryption_key, + .plaintext = &rfc3962_enc_test3_plaintext, + .expected_result = &rfc3962_enc_test3_expected_result, + .next_iv = &rfc3962_enc_test3_next_iv, + }, + { + .desc = "Encrypt with aes128-cts-hmac-sha1-96 case 4", + .enctype = ENCTYPE_AES128_CTS_HMAC_SHA1_96, + .Ke = &rfc3962_encryption_key, + .plaintext = &rfc3962_enc_test4_plaintext, + .expected_result = &rfc3962_enc_test4_expected_result, + .next_iv = &rfc3962_enc_test4_next_iv, + }, + { + .desc = "Encrypt with aes128-cts-hmac-sha1-96 case 5", + .enctype = ENCTYPE_AES128_CTS_HMAC_SHA1_96, + .Ke = &rfc3962_encryption_key, + .plaintext = &rfc3962_enc_test5_plaintext, + .expected_result = &rfc3962_enc_test5_expected_result, + .next_iv = &rfc3962_enc_test5_next_iv, + }, + { + .desc = "Encrypt with aes128-cts-hmac-sha1-96 case 6", + .enctype = ENCTYPE_AES128_CTS_HMAC_SHA1_96, + .Ke = &rfc3962_encryption_key, + .plaintext = &rfc3962_enc_test6_plaintext, + .expected_result = &rfc3962_enc_test6_expected_result, + .next_iv = &rfc3962_enc_test6_next_iv, + }, +}; + +/* Creates the function rfc3962_encrypt_gen_params */ +KUNIT_ARRAY_PARAM(rfc3962_encrypt, rfc3962_encrypt_test_params, + gss_krb5_get_desc); + +/* + * This tests the implementation of the encryption part of the mechanism. + * It does not apply a confounder or test the result of HMAC over the + * plaintext. + */ +static void rfc3962_encrypt_case(struct kunit *test) +{ + const struct gss_krb5_test_param *param = test->param_value; + struct crypto_sync_skcipher *cts_tfm, *cbc_tfm; + const struct gss_krb5_enctype *gk5e; + struct xdr_buf buf; + void *iv, *text; + u32 err; + + /* Arrange */ + gk5e = gss_krb5_lookup_enctype(param->enctype); + KUNIT_ASSERT_NOT_NULL(test, gk5e); + + cbc_tfm = crypto_alloc_sync_skcipher(gk5e->aux_cipher, 0, 0); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cbc_tfm); + err = crypto_sync_skcipher_setkey(cbc_tfm, param->Ke->data, param->Ke->len); + KUNIT_ASSERT_EQ(test, err, 0); + + cts_tfm = crypto_alloc_sync_skcipher(gk5e->encrypt_name, 0, 0); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cts_tfm); + err = crypto_sync_skcipher_setkey(cts_tfm, param->Ke->data, param->Ke->len); + KUNIT_ASSERT_EQ(test, err, 0); + + iv = kunit_kzalloc(test, crypto_sync_skcipher_ivsize(cts_tfm), GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, iv); + + text = kunit_kzalloc(test, param->plaintext->len, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, text); + + memcpy(text, param->plaintext->data, param->plaintext->len); + memset(&buf, 0, sizeof(buf)); + buf.head[0].iov_base = text; + buf.head[0].iov_len = param->plaintext->len; + buf.len = buf.head[0].iov_len; + + /* Act */ + err = krb5_cbc_cts_encrypt(cts_tfm, cbc_tfm, 0, &buf, NULL, + iv, crypto_sync_skcipher_ivsize(cts_tfm)); + KUNIT_ASSERT_EQ(test, err, 0); + + /* Assert */ + KUNIT_EXPECT_EQ_MSG(test, + param->expected_result->len, buf.len, + "ciphertext length mismatch"); + KUNIT_EXPECT_EQ_MSG(test, + memcmp(param->expected_result->data, + text, param->expected_result->len), 0, + "ciphertext mismatch"); + KUNIT_EXPECT_EQ_MSG(test, + memcmp(param->next_iv->data, iv, + param->next_iv->len), 0, + "IV mismatch"); + + crypto_free_sync_skcipher(cts_tfm); + crypto_free_sync_skcipher(cbc_tfm); +} + +static struct kunit_case rfc3962_test_cases[] = { + { + .name = "RFC 3962 encryption", + .run_case = rfc3962_encrypt_case, + .generate_params = rfc3962_encrypt_gen_params, + }, +}; + +static struct kunit_suite rfc3962_suite = { + .name = "RFC 3962 suite", + .test_cases = rfc3962_test_cases, +}; + +kunit_test_suites(&rfc3961_suite, + &rfc3962_suite); MODULE_DESCRIPTION("Test RPCSEC GSS Kerberos 5 functions"); MODULE_LICENSE("GPL"); |