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/*
* Copyright (c) 2017-2019 [Ribose Inc](https://www.ribose.com).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <rnp/rnp.h>
#include <librekey/key_store_kbx.h>
#include <librekey/kbx_blob.hpp>
#include "rnp_tests.h"
#define BLOB_HEADER_SIZE 0x5
#define BLOB_FIRST_SIZE 0x20
static uint8_t
ru8(uint8_t *p)
{
return (uint8_t) p[0];
}
static uint32_t
ru32(uint8_t *p)
{
return (uint32_t)(((uint8_t) p[0] << 24) | ((uint8_t) p[1] << 16) | ((uint8_t) p[2] << 8) |
(uint8_t) p[3]);
}
// This is rnp_key_store_kbx_parse_header_blob() adjusted for test
static void
test_parse_header_blob(kbx_header_blob_t &first_blob)
{
assert_int_equal(first_blob.length(), BLOB_FIRST_SIZE);
assert_true(first_blob.parse());
}
// This is rnp_key_store_kbx_parse_pgp_blob() adjusted for test
static void
test_parse_pgp_blob(kbx_pgp_blob_t &pgp_blob)
{
assert_true(pgp_blob.parse());
assert_false(pgp_blob.keyblock_offset() > pgp_blob.length() ||
pgp_blob.length() <
(pgp_blob.keyblock_offset() + pgp_blob.keyblock_length()));
}
// This test ensures that NSIGS field of keybox PGP blob contains the total number of
// signatures, including subkey's
TEST_F(rnp_tests, test_kbx_nsigs)
{
rnp_ffi_t ffi = NULL;
size_t pubring_bufsize = 4096; // buffer size, large enough to hold public keyring
// init ffi
assert_rnp_success(rnp_ffi_create(&ffi, "GPG", "GPG"));
// 1. Generate key and subkey
// generate RSA key
rnp_op_generate_t keygen = NULL;
assert_rnp_success(rnp_op_generate_create(&keygen, ffi, "RSA"));
assert_rnp_success(rnp_op_generate_set_bits(keygen, 1024));
// user id
assert_rnp_success(rnp_op_generate_set_userid(keygen, "userid"));
// now execute keygen operation
assert_rnp_success(rnp_op_generate_execute(keygen));
rnp_key_handle_t key = NULL;
assert_rnp_success(rnp_op_generate_get_key(keygen, &key));
assert_non_null(key);
assert_rnp_success(rnp_op_generate_destroy(keygen));
keygen = NULL;
// generate DSA subkey
assert_rnp_success(rnp_op_generate_subkey_create(&keygen, ffi, key, "DSA"));
assert_rnp_success(rnp_op_generate_set_bits(keygen, 1536));
assert_rnp_success(rnp_op_generate_set_dsa_qbits(keygen, 224));
// now generate the subkey
assert_rnp_success(rnp_op_generate_execute(keygen));
assert_rnp_success(rnp_op_generate_destroy(keygen));
keygen = NULL;
assert_rnp_success(rnp_key_handle_destroy(key));
key = NULL;
// 2. Save the public keys to memory
rnp_output_t output = NULL;
assert_rnp_success(rnp_output_to_memory(&output, pubring_bufsize));
assert_rnp_success(
rnp_save_keys(ffi, RNP_KEYSTORE_KBX, output, RNP_LOAD_SAVE_PUBLIC_KEYS));
// 3. Read and test the keybox blobs
uint8_t *buf = NULL;
size_t has_bytes = 0;
assert_rnp_success(rnp_output_memory_get_buf(output, &buf, &has_bytes, false));
{ // header blob
assert_true(has_bytes >= BLOB_HEADER_SIZE);
uint32_t blob_length = ru32(buf);
assert_true(has_bytes >= blob_length);
kbx_blob_type_t type = (kbx_blob_type_t) ru8(buf + 4);
assert_int_equal(type, KBX_HEADER_BLOB);
std::vector<uint8_t> data(buf, buf + blob_length);
kbx_header_blob_t header_blob(data);
test_parse_header_blob(header_blob);
has_bytes -= blob_length;
buf += blob_length;
}
{ // PGP blob
assert_true(has_bytes >= BLOB_HEADER_SIZE);
uint32_t blob_length = ru32(buf);
assert_true(has_bytes >= blob_length);
kbx_blob_type_t type = (kbx_blob_type_t) ru8(buf + 4);
assert_int_equal(type, KBX_PGP_BLOB);
std::vector<uint8_t> data(buf, buf + blob_length);
kbx_pgp_blob_t pgp_blob(data);
test_parse_pgp_blob(pgp_blob);
assert_int_equal(pgp_blob.nkeys(), 2); // key and subkey
assert_int_equal(pgp_blob.nsigs(), 2); // key and subkey signatures
has_bytes -= blob_length;
buf += blob_length;
}
assert_int_equal(has_bytes, 0); // end of keybox
// cleanup
assert_rnp_success(rnp_output_destroy(output));
assert_rnp_success(rnp_ffi_destroy(ffi));
}
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