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prop224 tests: test_gen_establish_intro_cell() check cell contents.
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@ -30,7 +30,6 @@ test_gen_establish_intro_cell(void *arg)
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ssize_t ret;
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char circ_nonce[DIGEST_LEN] = {0};
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uint8_t buf[RELAY_PAYLOAD_SIZE];
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trn_cell_establish_intro_t *cell_out = NULL;
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trn_cell_establish_intro_t *cell_in = NULL;
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crypto_rand(circ_nonce, sizeof(circ_nonce));
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@ -38,7 +37,6 @@ test_gen_establish_intro_cell(void *arg)
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/* Create outgoing ESTABLISH_INTRO cell and extract its payload so that we
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attempt to parse it. */
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{
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cell_out = trn_cell_establish_intro_new();
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/* We only need the auth key pair here. */
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hs_service_intro_point_t *ip = service_intro_point_new(NULL, 0);
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/* Auth key pair is generated in the constructor so we are all set for
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@ -46,9 +44,18 @@ test_gen_establish_intro_cell(void *arg)
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ret = hs_cell_build_establish_intro(circ_nonce, ip, buf);
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service_intro_point_free(ip);
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tt_u64_op(ret, OP_GT, 0);
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}
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ret = trn_cell_establish_intro_encode(buf, sizeof(buf), cell_out);
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tt_u64_op(ret, OP_GT, 0);
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/* Check the contents of the cell */
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{
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/* First byte is the auth key type: make sure its correct */
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tt_int_op(buf[0], OP_EQ, HS_INTRO_AUTH_KEY_TYPE_ED25519);
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/* Next two bytes is auth key len */
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tt_int_op(ntohs(get_uint16(buf+1)), OP_EQ, ED25519_PUBKEY_LEN);
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/* Skip to the number of extensions: no extensions */
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tt_int_op(buf[35], OP_EQ, 0);
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/* Skip to the sig len. Make sure it's the size of an ed25519 sig */
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tt_int_op(ntohs(get_uint16(buf+35+1+32)), OP_EQ, ED25519_SIG_LEN);
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}
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/* Parse it as the receiver */
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@ -64,7 +71,6 @@ test_gen_establish_intro_cell(void *arg)
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done:
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trn_cell_establish_intro_free(cell_in);
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trn_cell_establish_intro_free(cell_out);
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}
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/* Mocked ed25519_sign_prefixed() function that always fails :) */
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