@@ -20,7 +20,10 @@ MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING);
struct gss_krb5_test_param {
const char *desc;
+ u32 enctype;
u32 nfold;
+ const struct xdr_netobj *base_key;
+ const struct xdr_netobj *usage;
const struct xdr_netobj *plaintext;
const struct xdr_netobj *expected_result;
};
@@ -31,6 +34,34 @@ static inline void gss_krb5_get_desc(const struct gss_krb5_test_param *param,
strscpy(desc, param->desc, KUNIT_PARAM_DESC_SIZE);
}
+static void kdf_case(struct kunit *test)
+{
+ const struct gss_krb5_test_param *param = test->param_value;
+ const struct gss_krb5_enctype *gk5e;
+ struct xdr_netobj derivedkey;
+ int err;
+
+ /* Arrange */
+ gk5e = gss_krb5_lookup_enctype(param->enctype);
+ KUNIT_ASSERT_NOT_NULL(test, gk5e);
+
+ derivedkey.data = kunit_kzalloc(test, param->expected_result->len,
+ GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, derivedkey.data);
+ derivedkey.len = param->expected_result->len;
+
+ /* Act */
+ err = gk5e->derive_key(gk5e, param->base_key, &derivedkey,
+ param->usage, GFP_KERNEL);
+ KUNIT_ASSERT_EQ(test, err, 0);
+
+ /* Assert */
+ KUNIT_EXPECT_EQ_MSG(test,
+ memcmp(param->expected_result->data,
+ derivedkey.data, derivedkey.len), 0,
+ "key mismatch");
+}
+
#define DEFINE_HEX_XDR_NETOBJ(name, hex_array...) \
static const u8 name ## _data[] = { hex_array }; \
static const struct xdr_netobj name = { \
@@ -225,12 +256,208 @@ static void rfc3961_nfold_case(struct kunit *test)
"result mismatch");
}
+/*
+ * RFC 3961 Appendix A.3. DES3 DR and DK
+ *
+ * These tests show the derived-random and derived-key values for the
+ * des3-hmac-sha1-kd encryption scheme, using the DR and DK functions
+ * defined in section 6.3.1. The input keys were randomly generated;
+ * the usage values are from this specification.
+ *
+ * This test material is copyright (C) The Internet Society (2005).
+ */
+
+DEFINE_HEX_XDR_NETOBJ(des3_dk_usage_155,
+ 0x00, 0x00, 0x00, 0x01, 0x55
+);
+
+DEFINE_HEX_XDR_NETOBJ(des3_dk_usage_1aa,
+ 0x00, 0x00, 0x00, 0x01, 0xaa
+);
+
+DEFINE_HEX_XDR_NETOBJ(des3_dk_usage_kerberos,
+ 0x6b, 0x65, 0x72, 0x62, 0x65, 0x72, 0x6f, 0x73
+);
+
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test1_base_key,
+ 0xdc, 0xe0, 0x6b, 0x1f, 0x64, 0xc8, 0x57, 0xa1,
+ 0x1c, 0x3d, 0xb5, 0x7c, 0x51, 0x89, 0x9b, 0x2c,
+ 0xc1, 0x79, 0x10, 0x08, 0xce, 0x97, 0x3b, 0x92
+);
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test1_derived_key,
+ 0x92, 0x51, 0x79, 0xd0, 0x45, 0x91, 0xa7, 0x9b,
+ 0x5d, 0x31, 0x92, 0xc4, 0xa7, 0xe9, 0xc2, 0x89,
+ 0xb0, 0x49, 0xc7, 0x1f, 0x6e, 0xe6, 0x04, 0xcd
+);
+
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test2_base_key,
+ 0x5e, 0x13, 0xd3, 0x1c, 0x70, 0xef, 0x76, 0x57,
+ 0x46, 0x57, 0x85, 0x31, 0xcb, 0x51, 0xc1, 0x5b,
+ 0xf1, 0x1c, 0xa8, 0x2c, 0x97, 0xce, 0xe9, 0xf2
+);
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test2_derived_key,
+ 0x9e, 0x58, 0xe5, 0xa1, 0x46, 0xd9, 0x94, 0x2a,
+ 0x10, 0x1c, 0x46, 0x98, 0x45, 0xd6, 0x7a, 0x20,
+ 0xe3, 0xc4, 0x25, 0x9e, 0xd9, 0x13, 0xf2, 0x07
+);
+
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test3_base_key,
+ 0x98, 0xe6, 0xfd, 0x8a, 0x04, 0xa4, 0xb6, 0x85,
+ 0x9b, 0x75, 0xa1, 0x76, 0x54, 0x0b, 0x97, 0x52,
+ 0xba, 0xd3, 0xec, 0xd6, 0x10, 0xa2, 0x52, 0xbc
+);
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test3_derived_key,
+ 0x13, 0xfe, 0xf8, 0x0d, 0x76, 0x3e, 0x94, 0xec,
+ 0x6d, 0x13, 0xfd, 0x2c, 0xa1, 0xd0, 0x85, 0x07,
+ 0x02, 0x49, 0xda, 0xd3, 0x98, 0x08, 0xea, 0xbf
+);
+
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test4_base_key,
+ 0x62, 0x2a, 0xec, 0x25, 0xa2, 0xfe, 0x2c, 0xad,
+ 0x70, 0x94, 0x68, 0x0b, 0x7c, 0x64, 0x94, 0x02,
+ 0x80, 0x08, 0x4c, 0x1a, 0x7c, 0xec, 0x92, 0xb5
+);
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test4_derived_key,
+ 0xf8, 0xdf, 0xbf, 0x04, 0xb0, 0x97, 0xe6, 0xd9,
+ 0xdc, 0x07, 0x02, 0x68, 0x6b, 0xcb, 0x34, 0x89,
+ 0xd9, 0x1f, 0xd9, 0xa4, 0x51, 0x6b, 0x70, 0x3e
+);
+
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test5_base_key,
+ 0xd3, 0xf8, 0x29, 0x8c, 0xcb, 0x16, 0x64, 0x38,
+ 0xdc, 0xb9, 0xb9, 0x3e, 0xe5, 0xa7, 0x62, 0x92,
+ 0x86, 0xa4, 0x91, 0xf8, 0x38, 0xf8, 0x02, 0xfb
+);
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test5_derived_key,
+ 0x23, 0x70, 0xda, 0x57, 0x5d, 0x2a, 0x3d, 0xa8,
+ 0x64, 0xce, 0xbf, 0xdc, 0x52, 0x04, 0xd5, 0x6d,
+ 0xf7, 0x79, 0xa7, 0xdf, 0x43, 0xd9, 0xda, 0x43
+);
+
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test6_base_key,
+ 0xc1, 0x08, 0x16, 0x49, 0xad, 0xa7, 0x43, 0x62,
+ 0xe6, 0xa1, 0x45, 0x9d, 0x01, 0xdf, 0xd3, 0x0d,
+ 0x67, 0xc2, 0x23, 0x4c, 0x94, 0x07, 0x04, 0xda
+);
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test6_derived_key,
+ 0x34, 0x80, 0x57, 0xec, 0x98, 0xfd, 0xc4, 0x80,
+ 0x16, 0x16, 0x1c, 0x2a, 0x4c, 0x7a, 0x94, 0x3e,
+ 0x92, 0xae, 0x49, 0x2c, 0x98, 0x91, 0x75, 0xf7
+);
+
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test7_base_key,
+ 0x5d, 0x15, 0x4a, 0xf2, 0x38, 0xf4, 0x67, 0x13,
+ 0x15, 0x57, 0x19, 0xd5, 0x5e, 0x2f, 0x1f, 0x79,
+ 0x0d, 0xd6, 0x61, 0xf2, 0x79, 0xa7, 0x91, 0x7c
+);
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test7_derived_key,
+ 0xa8, 0x80, 0x8a, 0xc2, 0x67, 0xda, 0xda, 0x3d,
+ 0xcb, 0xe9, 0xa7, 0xc8, 0x46, 0x26, 0xfb, 0xc7,
+ 0x61, 0xc2, 0x94, 0xb0, 0x13, 0x15, 0xe5, 0xc1
+);
+
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test8_base_key,
+ 0x79, 0x85, 0x62, 0xe0, 0x49, 0x85, 0x2f, 0x57,
+ 0xdc, 0x8c, 0x34, 0x3b, 0xa1, 0x7f, 0x2c, 0xa1,
+ 0xd9, 0x73, 0x94, 0xef, 0xc8, 0xad, 0xc4, 0x43
+);
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test8_derived_key,
+ 0xc8, 0x13, 0xf8, 0x8a, 0x3b, 0xe3, 0xb3, 0x34,
+ 0xf7, 0x54, 0x25, 0xce, 0x91, 0x75, 0xfb, 0xe3,
+ 0xc8, 0x49, 0x3b, 0x89, 0xc8, 0x70, 0x3b, 0x49
+);
+
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test9_base_key,
+ 0x26, 0xdc, 0xe3, 0x34, 0xb5, 0x45, 0x29, 0x2f,
+ 0x2f, 0xea, 0xb9, 0xa8, 0x70, 0x1a, 0x89, 0xa4,
+ 0xb9, 0x9e, 0xb9, 0x94, 0x2c, 0xec, 0xd0, 0x16
+);
+DEFINE_HEX_XDR_NETOBJ(des3_dk_test9_derived_key,
+ 0xf4, 0x8f, 0xfd, 0x6e, 0x83, 0xf8, 0x3e, 0x73,
+ 0x54, 0xe6, 0x94, 0xfd, 0x25, 0x2c, 0xf8, 0x3b,
+ 0xfe, 0x58, 0xf7, 0xd5, 0xba, 0x37, 0xec, 0x5d
+);
+
+static const struct gss_krb5_test_param rfc3961_kdf_test_params[] = {
+ {
+ .desc = "des3-hmac-sha1 key derivation case 1",
+ .enctype = ENCTYPE_DES3_CBC_RAW,
+ .base_key = &des3_dk_test1_base_key,
+ .usage = &des3_dk_usage_155,
+ .expected_result = &des3_dk_test1_derived_key,
+ },
+ {
+ .desc = "des3-hmac-sha1 key derivation case 2",
+ .enctype = ENCTYPE_DES3_CBC_RAW,
+ .base_key = &des3_dk_test2_base_key,
+ .usage = &des3_dk_usage_1aa,
+ .expected_result = &des3_dk_test2_derived_key,
+ },
+ {
+ .desc = "des3-hmac-sha1 key derivation case 3",
+ .enctype = ENCTYPE_DES3_CBC_RAW,
+ .base_key = &des3_dk_test3_base_key,
+ .usage = &des3_dk_usage_155,
+ .expected_result = &des3_dk_test3_derived_key,
+ },
+ {
+ .desc = "des3-hmac-sha1 key derivation case 4",
+ .enctype = ENCTYPE_DES3_CBC_RAW,
+ .base_key = &des3_dk_test4_base_key,
+ .usage = &des3_dk_usage_1aa,
+ .expected_result = &des3_dk_test4_derived_key,
+ },
+ {
+ .desc = "des3-hmac-sha1 key derivation case 5",
+ .enctype = ENCTYPE_DES3_CBC_RAW,
+ .base_key = &des3_dk_test5_base_key,
+ .usage = &des3_dk_usage_kerberos,
+ .expected_result = &des3_dk_test5_derived_key,
+ },
+ {
+ .desc = "des3-hmac-sha1 key derivation case 6",
+ .enctype = ENCTYPE_DES3_CBC_RAW,
+ .base_key = &des3_dk_test6_base_key,
+ .usage = &des3_dk_usage_155,
+ .expected_result = &des3_dk_test6_derived_key,
+ },
+ {
+ .desc = "des3-hmac-sha1 key derivation case 7",
+ .enctype = ENCTYPE_DES3_CBC_RAW,
+ .base_key = &des3_dk_test7_base_key,
+ .usage = &des3_dk_usage_1aa,
+ .expected_result = &des3_dk_test7_derived_key,
+ },
+ {
+ .desc = "des3-hmac-sha1 key derivation case 8",
+ .enctype = ENCTYPE_DES3_CBC_RAW,
+ .base_key = &des3_dk_test8_base_key,
+ .usage = &des3_dk_usage_155,
+ .expected_result = &des3_dk_test8_derived_key,
+ },
+ {
+ .desc = "des3-hmac-sha1 key derivation case 9",
+ .enctype = ENCTYPE_DES3_CBC_RAW,
+ .base_key = &des3_dk_test9_base_key,
+ .usage = &des3_dk_usage_1aa,
+ .expected_result = &des3_dk_test9_derived_key,
+ },
+};
+
+/* Creates the function rfc3961_kdf_gen_params */
+KUNIT_ARRAY_PARAM(rfc3961_kdf, rfc3961_kdf_test_params, gss_krb5_get_desc);
+
static struct kunit_case rfc3961_test_cases[] = {
{
.name = "RFC 3961 n-fold",
.run_case = rfc3961_nfold_case,
.generate_params = rfc3961_nfold_gen_params,
},
+ {
+ .name = "RFC 3961 key derivation",
+ .run_case = kdf_case,
+ .generate_params = rfc3961_kdf_gen_params,
+ },
};
static struct kunit_suite rfc3961_suite = {