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unit: make test-dpp key derivation test more extendable

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Use a new structure to hold key values so they can be changed for
different test vectors while using the same test function.
This commit is contained in:
James Prestwood 2023-10-26 13:26:50 -07:00 committed by Denis Kenzior
parent acb1abceae
commit 5b49ea4e2d
1 changed files with 68 additions and 36 deletions
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104
unit/test-dpp.c
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@ -158,29 +158,59 @@ static void test_bad_channels(const void *data)
test_uri_parse(&bad_channels[i]); test_uri_parse(&bad_channels[i]);
} }
struct dpp_test_vector {
/* Initiator values */
const char *i_proto_public;
const char *i_proto_private;
const char *i_boot_public;
const char *i_boot_private;
const char *i_nonce;
const char *i_auth;
const char *i_asn1;
/* Responder values */
const char *r_proto_public;
const char *r_proto_private;
const char *r_boot_public;
const char *r_boot_private;
const char *r_nonce;
const char *r_auth;
const char *r_asn1;
const char *k1;
const char *k2;
const char *ke;
const char *mx;
const char *nx;
};
/* /*
* B.2 Test Vectors for DPP Authentication Using P-256 for * B.2 Test Vectors for DPP Authentication Using P-256 for
* Responder-only Authentication * Responder-only Authentication
*/ */
const char *i_proto_public_bytes = "50a532ae2a07207276418d2fa630295d45569be425aa634f02014d00a7d1f61a" static struct dpp_test_vector responder_only_p256 = {
"e14f35a5a858bccad90d126c46594c49ef82655e78888e15a32d916ac2172491"; .i_proto_public = "50a532ae2a07207276418d2fa630295d45569be425aa634f02014d00a7d1f61a"
const char *r_boot_public_bytes = "09c585a91b4df9fd25a045201885c39cc5cfae397ddaeda957dec57fa0e3503f" "e14f35a5a858bccad90d126c46594c49ef82655e78888e15a32d916ac2172491",
"52bf05968198a2f92883e96a386d767579883302dbf292105c90a43694c2fd5c"; .i_nonce = "13f4602a16daeb69712263b9c46cba31",
const char *r_boot_private_bytes = "54ce181a98525f217216f59b245f60e9df30ac7f6b26c939418cfc3c42d1afa0"; .i_auth = "787d1189b526448d2901e7f6c22775ce514fce52fc886c1e924f2fbb8d97b210",
const char *r_proto_private_bytes = "f798ed2e19286f6a6efe210b1863badb99af2a14b497634dbfd2a97394fb5aa5";
const char *r_proto_public_bytes = "5e3fb3576884887f17c3203d8a3a6c2fac722ef0e2201b61ac73bc655c709a90" .r_proto_public = "5e3fb3576884887f17c3203d8a3a6c2fac722ef0e2201b61ac73bc655c709a90"
"2d4b030669fb9eff8b0a79fa7c1a172ac2a92c626256963f9274dc90682c81e5"; "2d4b030669fb9eff8b0a79fa7c1a172ac2a92c626256963f9274dc90682c81e5",
const char *k1_bytes = "3d832a02ed6d7fc1dc96d2eceab738cf01c0028eb256be33d5a21a720bfcf949"; .r_proto_private = "f798ed2e19286f6a6efe210b1863badb99af2a14b497634dbfd2a97394fb5aa5",
const char *k2_bytes = "ca08bdeeef838ddf897a5f01f20bb93dc5a895cb86788ca8c00a7664899bc310"; .r_boot_public = "09c585a91b4df9fd25a045201885c39cc5cfae397ddaeda957dec57fa0e3503f"
const char *ke_bytes = "c8882a8ab30c878467822534138c704ede0ab1e873fe03b601a7908463fec87a"; "52bf05968198a2f92883e96a386d767579883302dbf292105c90a43694c2fd5c",
const char *mx_bytes = "dde2878117d69745be4f916a2dd14269d783d1d788c603bb8746beabbd1dbbbc"; .r_boot_private = "54ce181a98525f217216f59b245f60e9df30ac7f6b26c939418cfc3c42d1afa0",
const char *nx_bytes = "92118478b75c21c2c59340c842b5bce560a535f60bc37a75fe390d738c58d8e8"; .r_nonce = "3d0cfb011ca916d796f7029ff0b43393",
const char *i_nonce_bytes = "13f4602a16daeb69712263b9c46cba31"; .r_auth = "43509ef7137d8c2fbe66d802ae09dedd94d41b8cbfafb4954782014ff4a3f91c",
const char *r_nonce_bytes = "3d0cfb011ca916d796f7029ff0b43393"; .r_asn1 = "3039301306072a8648ce3d020106082a8648ce3d0301070322000209c585a91b"
const char *i_auth_bytes = "787d1189b526448d2901e7f6c22775ce514fce52fc886c1e924f2fbb8d97b210"; "4df9fd25a045201885c39cc5cfae397ddaeda957dec57fa0e3503f",
const char *r_auth_bytes = "43509ef7137d8c2fbe66d802ae09dedd94d41b8cbfafb4954782014ff4a3f91c";
const char *r_asn1 = "3039301306072a8648ce3d020106082a8648ce3d0301070322000209c585a91b" .k1 = "3d832a02ed6d7fc1dc96d2eceab738cf01c0028eb256be33d5a21a720bfcf949",
"4df9fd25a045201885c39cc5cfae397ddaeda957dec57fa0e3503f"; .k2 = "ca08bdeeef838ddf897a5f01f20bb93dc5a895cb86788ca8c00a7664899bc310",
.ke = "c8882a8ab30c878467822534138c704ede0ab1e873fe03b601a7908463fec87a",
.mx = "dde2878117d69745be4f916a2dd14269d783d1d788c603bb8746beabbd1dbbbc",
.nx = "92118478b75c21c2c59340c842b5bce560a535f60bc37a75fe390d738c58d8e8",
};
#define HEX2BUF(s, buf, _len) { \ #define HEX2BUF(s, buf, _len) { \
size_t _len_out; \ size_t _len_out; \
@ -198,6 +228,8 @@ const char *r_asn1 = "3039301306072a8648ce3d020106082a8648ce3d0301070322000209c5
static void test_key_derivation(const void *data) static void test_key_derivation(const void *data)
{ {
const struct dpp_test_vector *vector = data;
uint64_t tmp[L_ECC_MAX_DIGITS * 2]; uint64_t tmp[L_ECC_MAX_DIGITS * 2];
const struct l_ecc_curve *curve = l_ecc_curve_from_ike_group(19); const struct l_ecc_curve *curve = l_ecc_curve_from_ike_group(19);
_auto_(l_ecc_point_free) struct l_ecc_point *i_proto_public = NULL; _auto_(l_ecc_point_free) struct l_ecc_point *i_proto_public = NULL;
@ -218,19 +250,19 @@ static void test_key_derivation(const void *data)
_auto_(l_free) uint8_t *asn1 = NULL; _auto_(l_free) uint8_t *asn1 = NULL;
size_t asn1_len; size_t asn1_len;
HEX2BUF(i_proto_public_bytes, tmp, 64); HEX2BUF(vector->i_proto_public, tmp, 64);
i_proto_public = l_ecc_point_from_data(curve, i_proto_public = l_ecc_point_from_data(curve,
L_ECC_POINT_TYPE_FULL, L_ECC_POINT_TYPE_FULL,
tmp, 64); tmp, 64);
assert(i_proto_public); assert(i_proto_public);
HEX2BUF(r_boot_public_bytes, tmp, 64); HEX2BUF(vector->r_boot_public, tmp, 64);
r_boot_public = l_ecc_point_from_data(curve, r_boot_public = l_ecc_point_from_data(curve,
L_ECC_POINT_TYPE_FULL, L_ECC_POINT_TYPE_FULL,
tmp, 64); tmp, 64);
assert(r_boot_public); assert(r_boot_public);
HEX2BUF(r_asn1, tmp, sizeof(tmp)); HEX2BUF(vector->r_asn1, tmp, sizeof(tmp));
asn1 = dpp_point_to_asn1(r_boot_public, &asn1_len); asn1 = dpp_point_to_asn1(r_boot_public, &asn1_len);
from_asn1 = dpp_point_from_asn1(asn1, asn1_len); from_asn1 = dpp_point_from_asn1(asn1, asn1_len);
@ -240,47 +272,47 @@ static void test_key_derivation(const void *data)
assert(asn1_len == 59); assert(asn1_len == 59);
assert(memcmp(tmp, asn1, asn1_len) == 0); assert(memcmp(tmp, asn1, asn1_len) == 0);
HEX2BUF(r_proto_public_bytes, tmp, 64); HEX2BUF(vector->r_proto_public, tmp, 64);
r_proto_public = l_ecc_point_from_data(curve, r_proto_public = l_ecc_point_from_data(curve,
L_ECC_POINT_TYPE_FULL, L_ECC_POINT_TYPE_FULL,
tmp, 64); tmp, 64);
assert(r_proto_public); assert(r_proto_public);
HEX2BUF(r_boot_private_bytes, tmp, 32); HEX2BUF(vector->r_boot_private, tmp, 32);
r_boot_private = l_ecc_scalar_new(curve, tmp, 32); r_boot_private = l_ecc_scalar_new(curve, tmp, 32);
assert(r_boot_private); assert(r_boot_private);
HEX2BUF(r_proto_private_bytes, tmp, 32); HEX2BUF(vector->r_proto_private, tmp, 32);
r_proto_private = l_ecc_scalar_new(curve, tmp, 32); r_proto_private = l_ecc_scalar_new(curve, tmp, 32);
assert(r_proto_private); assert(r_proto_private);
m = dpp_derive_k1(i_proto_public, r_boot_private, k1); m = dpp_derive_k1(i_proto_public, r_boot_private, k1);
assert(m); assert(m);
CHECK_FROM_STR(k1_bytes, k1, 32); CHECK_FROM_STR(vector->k1, k1, 32);
l_ecc_scalar_get_data(m, tmp, sizeof(tmp)); l_ecc_scalar_get_data(m, tmp, sizeof(tmp));
CHECK_FROM_STR(mx_bytes, tmp, 32); CHECK_FROM_STR(vector->mx, tmp, 32);
n = dpp_derive_k2(i_proto_public, r_proto_private, k2); n = dpp_derive_k2(i_proto_public, r_proto_private, k2);
assert(n); assert(n);
CHECK_FROM_STR(k2_bytes, k2, 32); CHECK_FROM_STR(vector->k2, k2, 32);
l_ecc_scalar_get_data(n, tmp, sizeof(tmp)); l_ecc_scalar_get_data(n, tmp, sizeof(tmp));
CHECK_FROM_STR(nx_bytes, tmp, 32); CHECK_FROM_STR(vector->nx, tmp, 32);
HEX2BUF(i_nonce_bytes, i_nonce, 16); HEX2BUF(vector->i_nonce, i_nonce, 16);
HEX2BUF(r_nonce_bytes, r_nonce, 16); HEX2BUF(vector->r_nonce, r_nonce, 16);
dpp_derive_ke(i_nonce, r_nonce, m, n, NULL, ke); dpp_derive_ke(i_nonce, r_nonce, m, n, NULL, ke);
CHECK_FROM_STR(ke_bytes, ke, 32); CHECK_FROM_STR(vector->ke, ke, 32);
dpp_derive_r_auth(i_nonce, r_nonce, 16, i_proto_public, r_proto_public, dpp_derive_r_auth(i_nonce, r_nonce, 16, i_proto_public, r_proto_public,
NULL, r_boot_public, r_auth); NULL, r_boot_public, r_auth);
CHECK_FROM_STR(r_auth_bytes, r_auth, 32); CHECK_FROM_STR(vector->r_auth, r_auth, 32);
dpp_derive_i_auth(r_nonce, i_nonce, 16, r_proto_public, i_proto_public, dpp_derive_i_auth(r_nonce, i_nonce, 16, r_proto_public, i_proto_public,
r_boot_public, NULL, i_auth); r_boot_public, NULL, i_auth);
CHECK_FROM_STR(i_auth_bytes, i_auth, 32); CHECK_FROM_STR(vector->i_auth, i_auth, 32);
} }
int main(int argc, char *argv[]) int main(int argc, char *argv[])
@ -289,8 +321,8 @@ int main(int argc, char *argv[])
if (l_checksum_is_supported(L_CHECKSUM_SHA256, true) && if (l_checksum_is_supported(L_CHECKSUM_SHA256, true) &&
l_getrandom_is_supported()) l_getrandom_is_supported())
l_test_add("DPP test key derivation", l_test_add("DPP test key derivation", test_key_derivation,
test_key_derivation, NULL); &responder_only_p256);
l_test_add("DPP URI parse", test_uri_parse, &all_values); l_test_add("DPP URI parse", test_uri_parse, &all_values);
l_test_add("DPP URI no type", test_uri_parse, &no_type); l_test_add("DPP URI no type", test_uri_parse, &no_type);