diff options
Diffstat (limited to 'src/test/test_hs_service.c')
| -rw-r--r-- | src/test/test_hs_service.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/test/test_hs_service.c b/src/test/test_hs_service.c index ae9c0a0300..d575e2b773 100644 --- a/src/test/test_hs_service.c +++ b/src/test/test_hs_service.c @@ -17,6 +17,8 @@ #include "hs_service.h" #include "hs_intropoint.h" +#include "hs_ntor.h" + /** We simulate the creation of an outgoing ESTABLISH_INTRO cell, and then we * parse it from the receiver side. */ static void @@ -100,11 +102,106 @@ test_gen_establish_intro_cell_bad(void *arg) UNMOCK(ed25519_sign_prefixed); } +/** Test the HS ntor handshake. Simulate the sending of an encrypted INTRODUCE1 + * cell, and verify the proper derivation of decryption keys on the other end. + * Then simulate the sending of an authenticated RENDEZVOUS1 cell and verify + * the proper verification on the other end. */ +static void +test_hs_ntor(void *arg) +{ + int retval; + + uint8_t subcredential[DIGEST256_LEN]; + + ed25519_keypair_t service_intro_auth_keypair; + curve25519_keypair_t service_intro_enc_keypair; + curve25519_keypair_t service_ephemeral_rend_keypair; + + curve25519_keypair_t client_ephemeral_enc_keypair; + + hs_ntor_intro_cell_keys_t client_hs_ntor_intro_cell_keys; + hs_ntor_intro_cell_keys_t service_hs_ntor_intro_cell_keys; + + hs_ntor_rend_cell_keys_t service_hs_ntor_rend_cell_keys; + hs_ntor_rend_cell_keys_t client_hs_ntor_rend_cell_keys; + + (void) arg; + + /* Generate fake data for this unittest */ + { + /* Generate fake subcredential */ + memset(subcredential, 'Z', DIGEST256_LEN); + + /* service */ + curve25519_keypair_generate(&service_intro_enc_keypair, 0); + ed25519_keypair_generate(&service_intro_auth_keypair, 0); + curve25519_keypair_generate(&service_ephemeral_rend_keypair, 0); + /* client */ + curve25519_keypair_generate(&client_ephemeral_enc_keypair, 0); + } + + /* Client: Simulate the sending of an encrypted INTRODUCE1 cell */ + retval = + hs_ntor_client_get_introduce1_keys(&service_intro_auth_keypair.pubkey, + &service_intro_enc_keypair.pubkey, + &client_ephemeral_enc_keypair, + subcredential, + &client_hs_ntor_intro_cell_keys); + tt_int_op(retval, ==, 0); + + /* Service: Simulate the decryption of the received INTRODUCE1 */ + retval = + hs_ntor_service_get_introduce1_keys(&service_intro_auth_keypair.pubkey, + &service_intro_enc_keypair, + &client_ephemeral_enc_keypair.pubkey, + subcredential, + &service_hs_ntor_intro_cell_keys); + tt_int_op(retval, ==, 0); + + /* Test that the INTRODUCE1 encryption/mac keys match! */ + tt_mem_op(client_hs_ntor_intro_cell_keys.enc_key, OP_EQ, + service_hs_ntor_intro_cell_keys.enc_key, + CIPHER256_KEY_LEN); + tt_mem_op(client_hs_ntor_intro_cell_keys.mac_key, OP_EQ, + service_hs_ntor_intro_cell_keys.mac_key, + DIGEST256_LEN); + + /* Service: Simulate creation of RENDEZVOUS1 key material. */ + retval = + hs_ntor_service_get_rendezvous1_keys(&service_intro_auth_keypair.pubkey, + &service_intro_enc_keypair, + &service_ephemeral_rend_keypair, + &client_ephemeral_enc_keypair.pubkey, + &service_hs_ntor_rend_cell_keys); + tt_int_op(retval, ==, 0); + + /* Client: Simulate the verification of a received RENDEZVOUS1 cell */ + retval = + hs_ntor_client_get_rendezvous1_keys(&service_intro_auth_keypair.pubkey, + &client_ephemeral_enc_keypair, + &service_intro_enc_keypair.pubkey, + &service_ephemeral_rend_keypair.pubkey, + &client_hs_ntor_rend_cell_keys); + tt_int_op(retval, ==, 0); + + /* Test that the RENDEZVOUS1 key material match! */ + tt_mem_op(client_hs_ntor_rend_cell_keys.rend_cell_auth_mac, OP_EQ, + service_hs_ntor_rend_cell_keys.rend_cell_auth_mac, + DIGEST256_LEN); + tt_mem_op(client_hs_ntor_rend_cell_keys.ntor_key_seed, OP_EQ, + service_hs_ntor_rend_cell_keys.ntor_key_seed, + DIGEST256_LEN); + + done: + ; +} + struct testcase_t hs_service_tests[] = { { "gen_establish_intro_cell", test_gen_establish_intro_cell, TT_FORK, NULL, NULL }, { "gen_establish_intro_cell_bad", test_gen_establish_intro_cell_bad, TT_FORK, NULL, NULL }, + { "hs_ntor", test_hs_ntor, TT_FORK, NULL, NULL }, END_OF_TESTCASES }; |