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prop224 tests: test_gen_establish_intro_cell() check cell contents.

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This commit is contained in:
George Kadianakis 2017-08-04 22:53:53 +03:00 committed by Nick Mathewson
parent c62da5cf95
commit a464d49aeb
1 changed files with 11 additions and 5 deletions
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16
src/test/test_hs_cell.c
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@ -30,7 +30,6 @@ test_gen_establish_intro_cell(void *arg)
ssize_t ret;
char circ_nonce[DIGEST_LEN] = {0};
uint8_t buf[RELAY_PAYLOAD_SIZE];
trn_cell_establish_intro_t *cell_out = NULL;
trn_cell_establish_intro_t *cell_in = NULL;
crypto_rand(circ_nonce, sizeof(circ_nonce));
@ -38,7 +37,6 @@ test_gen_establish_intro_cell(void *arg)
/* Create outgoing ESTABLISH_INTRO cell and extract its payload so that we
attempt to parse it. */
{
cell_out = trn_cell_establish_intro_new();
/* We only need the auth key pair here. */
hs_service_intro_point_t *ip = service_intro_point_new(NULL, 0);
/* Auth key pair is generated in the constructor so we are all set for
@ -46,9 +44,18 @@ test_gen_establish_intro_cell(void *arg)
ret = hs_cell_build_establish_intro(circ_nonce, ip, buf);
service_intro_point_free(ip);
tt_u64_op(ret, OP_GT, 0);
}
ret = trn_cell_establish_intro_encode(buf, sizeof(buf), cell_out);
tt_u64_op(ret, OP_GT, 0);
/* Check the contents of the cell */
{
/* First byte is the auth key type: make sure its correct */
tt_int_op(buf[0], OP_EQ, HS_INTRO_AUTH_KEY_TYPE_ED25519);
/* Next two bytes is auth key len */
tt_int_op(ntohs(get_uint16(buf+1)), OP_EQ, ED25519_PUBKEY_LEN);
/* Skip to the number of extensions: no extensions */
tt_int_op(buf[35], OP_EQ, 0);
/* Skip to the sig len. Make sure it's the size of an ed25519 sig */
tt_int_op(ntohs(get_uint16(buf+35+1+32)), OP_EQ, ED25519_SIG_LEN);
}
/* Parse it as the receiver */
@ -64,7 +71,6 @@ test_gen_establish_intro_cell(void *arg)
done:
trn_cell_establish_intro_free(cell_in);
trn_cell_establish_intro_free(cell_out);
}
/* Mocked ed25519_sign_prefixed() function that always fails :) */