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https://git.kernel.org/pub/scm/network/wireless/iwd.git
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unit: make test-dpp key derivation test more extendable
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
Denis Kenzior
parent
acb1abceae
commit
5b49ea4e2d
104
unit/test-dpp.c
104
unit/test-dpp.c
@ -158,29 +158,59 @@ static void test_bad_channels(const void *data)
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test_uri_parse(&bad_channels[i]);
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}
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struct dpp_test_vector {
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/* Initiator values */
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const char *i_proto_public;
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const char *i_proto_private;
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const char *i_boot_public;
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const char *i_boot_private;
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const char *i_nonce;
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const char *i_auth;
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const char *i_asn1;
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/* Responder values */
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const char *r_proto_public;
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const char *r_proto_private;
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const char *r_boot_public;
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const char *r_boot_private;
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const char *r_nonce;
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const char *r_auth;
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const char *r_asn1;
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const char *k1;
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const char *k2;
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const char *ke;
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const char *mx;
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const char *nx;
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};
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/*
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* B.2 Test Vectors for DPP Authentication Using P-256 for
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* Responder-only Authentication
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*/
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const char *i_proto_public_bytes = "50a532ae2a07207276418d2fa630295d45569be425aa634f02014d00a7d1f61a"
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"e14f35a5a858bccad90d126c46594c49ef82655e78888e15a32d916ac2172491";
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const char *r_boot_public_bytes = "09c585a91b4df9fd25a045201885c39cc5cfae397ddaeda957dec57fa0e3503f"
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"52bf05968198a2f92883e96a386d767579883302dbf292105c90a43694c2fd5c";
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const char *r_boot_private_bytes = "54ce181a98525f217216f59b245f60e9df30ac7f6b26c939418cfc3c42d1afa0";
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const char *r_proto_private_bytes = "f798ed2e19286f6a6efe210b1863badb99af2a14b497634dbfd2a97394fb5aa5";
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const char *r_proto_public_bytes = "5e3fb3576884887f17c3203d8a3a6c2fac722ef0e2201b61ac73bc655c709a90"
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"2d4b030669fb9eff8b0a79fa7c1a172ac2a92c626256963f9274dc90682c81e5";
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const char *k1_bytes = "3d832a02ed6d7fc1dc96d2eceab738cf01c0028eb256be33d5a21a720bfcf949";
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const char *k2_bytes = "ca08bdeeef838ddf897a5f01f20bb93dc5a895cb86788ca8c00a7664899bc310";
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const char *ke_bytes = "c8882a8ab30c878467822534138c704ede0ab1e873fe03b601a7908463fec87a";
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const char *mx_bytes = "dde2878117d69745be4f916a2dd14269d783d1d788c603bb8746beabbd1dbbbc";
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const char *nx_bytes = "92118478b75c21c2c59340c842b5bce560a535f60bc37a75fe390d738c58d8e8";
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const char *i_nonce_bytes = "13f4602a16daeb69712263b9c46cba31";
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const char *r_nonce_bytes = "3d0cfb011ca916d796f7029ff0b43393";
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const char *i_auth_bytes = "787d1189b526448d2901e7f6c22775ce514fce52fc886c1e924f2fbb8d97b210";
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const char *r_auth_bytes = "43509ef7137d8c2fbe66d802ae09dedd94d41b8cbfafb4954782014ff4a3f91c";
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const char *r_asn1 = "3039301306072a8648ce3d020106082a8648ce3d0301070322000209c585a91b"
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"4df9fd25a045201885c39cc5cfae397ddaeda957dec57fa0e3503f";
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static struct dpp_test_vector responder_only_p256 = {
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.i_proto_public = "50a532ae2a07207276418d2fa630295d45569be425aa634f02014d00a7d1f61a"
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"e14f35a5a858bccad90d126c46594c49ef82655e78888e15a32d916ac2172491",
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.i_nonce = "13f4602a16daeb69712263b9c46cba31",
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.i_auth = "787d1189b526448d2901e7f6c22775ce514fce52fc886c1e924f2fbb8d97b210",
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.r_proto_public = "5e3fb3576884887f17c3203d8a3a6c2fac722ef0e2201b61ac73bc655c709a90"
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"2d4b030669fb9eff8b0a79fa7c1a172ac2a92c626256963f9274dc90682c81e5",
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.r_proto_private = "f798ed2e19286f6a6efe210b1863badb99af2a14b497634dbfd2a97394fb5aa5",
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.r_boot_public = "09c585a91b4df9fd25a045201885c39cc5cfae397ddaeda957dec57fa0e3503f"
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"52bf05968198a2f92883e96a386d767579883302dbf292105c90a43694c2fd5c",
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.r_boot_private = "54ce181a98525f217216f59b245f60e9df30ac7f6b26c939418cfc3c42d1afa0",
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.r_nonce = "3d0cfb011ca916d796f7029ff0b43393",
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.r_auth = "43509ef7137d8c2fbe66d802ae09dedd94d41b8cbfafb4954782014ff4a3f91c",
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.r_asn1 = "3039301306072a8648ce3d020106082a8648ce3d0301070322000209c585a91b"
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"4df9fd25a045201885c39cc5cfae397ddaeda957dec57fa0e3503f",
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.k1 = "3d832a02ed6d7fc1dc96d2eceab738cf01c0028eb256be33d5a21a720bfcf949",
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.k2 = "ca08bdeeef838ddf897a5f01f20bb93dc5a895cb86788ca8c00a7664899bc310",
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.ke = "c8882a8ab30c878467822534138c704ede0ab1e873fe03b601a7908463fec87a",
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.mx = "dde2878117d69745be4f916a2dd14269d783d1d788c603bb8746beabbd1dbbbc",
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.nx = "92118478b75c21c2c59340c842b5bce560a535f60bc37a75fe390d738c58d8e8",
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};
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#define HEX2BUF(s, buf, _len) { \
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size_t _len_out; \
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@ -198,6 +228,8 @@ const char *r_asn1 = "3039301306072a8648ce3d020106082a8648ce3d0301070322000209c5
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static void test_key_derivation(const void *data)
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{
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const struct dpp_test_vector *vector = data;
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uint64_t tmp[L_ECC_MAX_DIGITS * 2];
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const struct l_ecc_curve *curve = l_ecc_curve_from_ike_group(19);
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_auto_(l_ecc_point_free) struct l_ecc_point *i_proto_public = NULL;
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@ -218,19 +250,19 @@ static void test_key_derivation(const void *data)
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_auto_(l_free) uint8_t *asn1 = NULL;
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size_t asn1_len;
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HEX2BUF(i_proto_public_bytes, tmp, 64);
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HEX2BUF(vector->i_proto_public, tmp, 64);
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i_proto_public = l_ecc_point_from_data(curve,
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L_ECC_POINT_TYPE_FULL,
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tmp, 64);
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assert(i_proto_public);
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HEX2BUF(r_boot_public_bytes, tmp, 64);
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HEX2BUF(vector->r_boot_public, tmp, 64);
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r_boot_public = l_ecc_point_from_data(curve,
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L_ECC_POINT_TYPE_FULL,
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tmp, 64);
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assert(r_boot_public);
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HEX2BUF(r_asn1, tmp, sizeof(tmp));
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HEX2BUF(vector->r_asn1, tmp, sizeof(tmp));
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asn1 = dpp_point_to_asn1(r_boot_public, &asn1_len);
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from_asn1 = dpp_point_from_asn1(asn1, asn1_len);
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@ -240,47 +272,47 @@ static void test_key_derivation(const void *data)
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assert(asn1_len == 59);
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assert(memcmp(tmp, asn1, asn1_len) == 0);
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HEX2BUF(r_proto_public_bytes, tmp, 64);
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HEX2BUF(vector->r_proto_public, tmp, 64);
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r_proto_public = l_ecc_point_from_data(curve,
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L_ECC_POINT_TYPE_FULL,
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tmp, 64);
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assert(r_proto_public);
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HEX2BUF(r_boot_private_bytes, tmp, 32);
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HEX2BUF(vector->r_boot_private, tmp, 32);
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r_boot_private = l_ecc_scalar_new(curve, tmp, 32);
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assert(r_boot_private);
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HEX2BUF(r_proto_private_bytes, tmp, 32);
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HEX2BUF(vector->r_proto_private, tmp, 32);
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r_proto_private = l_ecc_scalar_new(curve, tmp, 32);
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assert(r_proto_private);
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m = dpp_derive_k1(i_proto_public, r_boot_private, k1);
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assert(m);
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CHECK_FROM_STR(k1_bytes, k1, 32);
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CHECK_FROM_STR(vector->k1, k1, 32);
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l_ecc_scalar_get_data(m, tmp, sizeof(tmp));
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CHECK_FROM_STR(mx_bytes, tmp, 32);
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CHECK_FROM_STR(vector->mx, tmp, 32);
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n = dpp_derive_k2(i_proto_public, r_proto_private, k2);
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assert(n);
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CHECK_FROM_STR(k2_bytes, k2, 32);
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CHECK_FROM_STR(vector->k2, k2, 32);
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l_ecc_scalar_get_data(n, tmp, sizeof(tmp));
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CHECK_FROM_STR(nx_bytes, tmp, 32);
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CHECK_FROM_STR(vector->nx, tmp, 32);
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HEX2BUF(i_nonce_bytes, i_nonce, 16);
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HEX2BUF(r_nonce_bytes, r_nonce, 16);
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HEX2BUF(vector->i_nonce, i_nonce, 16);
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HEX2BUF(vector->r_nonce, r_nonce, 16);
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dpp_derive_ke(i_nonce, r_nonce, m, n, NULL, ke);
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CHECK_FROM_STR(ke_bytes, ke, 32);
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CHECK_FROM_STR(vector->ke, ke, 32);
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dpp_derive_r_auth(i_nonce, r_nonce, 16, i_proto_public, r_proto_public,
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NULL, r_boot_public, r_auth);
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CHECK_FROM_STR(r_auth_bytes, r_auth, 32);
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CHECK_FROM_STR(vector->r_auth, r_auth, 32);
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dpp_derive_i_auth(r_nonce, i_nonce, 16, r_proto_public, i_proto_public,
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r_boot_public, NULL, i_auth);
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CHECK_FROM_STR(i_auth_bytes, i_auth, 32);
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CHECK_FROM_STR(vector->i_auth, i_auth, 32);
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}
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int main(int argc, char *argv[])
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@ -289,8 +321,8 @@ int main(int argc, char *argv[])
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if (l_checksum_is_supported(L_CHECKSUM_SHA256, true) &&
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l_getrandom_is_supported())
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l_test_add("DPP test key derivation",
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test_key_derivation, NULL);
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l_test_add("DPP test key derivation", test_key_derivation,
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&responder_only_p256);
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l_test_add("DPP URI parse", test_uri_parse, &all_values);
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l_test_add("DPP URI no type", test_uri_parse, &no_type);
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