262 lines
8 KiB
C++
262 lines
8 KiB
C++
#include "olm/crypto.h"
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#include "olm/olm.h"
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#include "olm/pk.h"
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#include "testing.hh"
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#include "utils.hh"
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#include <iostream>
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#include <vector>
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/* Encryption Test Case 1 */
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TEST_CASE("Public Key Encryption/Decryption Test Case 1") {
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std::vector<std::uint8_t> decryption_buffer(olm_pk_decryption_size());
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OlmPkDecryption *decryption = olm_pk_decryption(decryption_buffer.data());
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std::uint8_t alice_private[32] = {
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0x77, 0x07, 0x6D, 0x0A, 0x73, 0x18, 0xA5, 0x7D,
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0x3C, 0x16, 0xC1, 0x72, 0x51, 0xB2, 0x66, 0x45,
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0xDF, 0x4C, 0x2F, 0x87, 0xEB, 0xC0, 0x99, 0x2A,
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0xB1, 0x77, 0xFB, 0xA5, 0x1D, 0xB9, 0x2C, 0x2A
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};
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const std::uint8_t *alice_public = (std::uint8_t *) "hSDwCYkwp1R0i33ctD73Wg2/Og0mOBr066SpjqqbTmo";
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std::uint8_t bob_private[32] = {
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0x5D, 0xAB, 0x08, 0x7E, 0x62, 0x4A, 0x8A, 0x4B,
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0x79, 0xE1, 0x7F, 0x8B, 0x83, 0x80, 0x0E, 0xE6,
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0x6F, 0x3B, 0xB1, 0x29, 0x26, 0x18, 0xB6, 0xFD,
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0x1C, 0x2F, 0x8B, 0x27, 0xFF, 0x88, 0xE0, 0xEB
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};
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const std::uint8_t *bob_public = (std::uint8_t *) "3p7bfXt9wbTTW2HC7OQ1Nz+DQ8hbeGdNrfx+FG+IK08";
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std::vector<std::uint8_t> pubkey(::olm_pk_key_length());
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olm_pk_key_from_private(
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decryption,
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pubkey.data(), pubkey.size(),
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alice_private, sizeof(alice_private)
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);
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CHECK_EQ_SIZE(alice_public, (const std::uint8_t*)pubkey.data(), olm_pk_key_length());
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uint8_t *alice_private_back_out = (uint8_t *)malloc(olm_pk_private_key_length());
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olm_pk_get_private_key(decryption, alice_private_back_out, olm_pk_private_key_length());
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CHECK_EQ_SIZE(alice_private, alice_private_back_out, olm_pk_private_key_length());
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free(alice_private_back_out);
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std::vector<std::uint8_t> encryption_buffer(olm_pk_encryption_size());
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OlmPkEncryption *encryption = olm_pk_encryption(encryption_buffer.data());
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olm_pk_encryption_set_recipient_key(encryption, pubkey.data(), pubkey.size());
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const size_t plaintext_length = 14;
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const std::uint8_t *plaintext = (std::uint8_t *) "This is a test";
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size_t ciphertext_length = olm_pk_ciphertext_length(encryption, plaintext_length);
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std::uint8_t *ciphertext_buffer = (std::uint8_t *) malloc(ciphertext_length);
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std::vector<std::uint8_t> output_buffer(olm_pk_mac_length(encryption));
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std::vector<std::uint8_t> ephemeral_key(olm_pk_key_length());
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olm_pk_encrypt(
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encryption,
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plaintext, plaintext_length,
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ciphertext_buffer, ciphertext_length,
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output_buffer.data(), output_buffer.size(),
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ephemeral_key.data(), ephemeral_key.size(),
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bob_private, sizeof(bob_private)
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);
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CHECK_EQ_SIZE(bob_public, (const std::uint8_t*)ephemeral_key.data(), olm_pk_key_length());
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size_t max_plaintext_length = olm_pk_max_plaintext_length(decryption, ciphertext_length);
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std::uint8_t *plaintext_buffer = (std::uint8_t *) malloc(max_plaintext_length);
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olm_pk_decrypt(
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decryption,
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ephemeral_key.data(), ephemeral_key.size(),
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output_buffer.data(), output_buffer.size(),
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ciphertext_buffer, ciphertext_length,
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plaintext_buffer, max_plaintext_length
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);
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CHECK_EQ_SIZE(plaintext, (const std::uint8_t*)plaintext_buffer, plaintext_length);
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free(ciphertext_buffer);
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free(plaintext_buffer);
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}
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/* Encryption Test Case 1 */
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TEST_CASE("Public Key Decryption pickling") {
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std::vector<std::uint8_t> decryption_buffer(olm_pk_decryption_size());
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OlmPkDecryption *decryption = olm_pk_decryption(decryption_buffer.data());
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std::uint8_t alice_private[32] = {
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0x77, 0x07, 0x6D, 0x0A, 0x73, 0x18, 0xA5, 0x7D,
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0x3C, 0x16, 0xC1, 0x72, 0x51, 0xB2, 0x66, 0x45,
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0xDF, 0x4C, 0x2F, 0x87, 0xEB, 0xC0, 0x99, 0x2A,
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0xB1, 0x77, 0xFB, 0xA5, 0x1D, 0xB9, 0x2C, 0x2A
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};
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const std::uint8_t *alice_public = (std::uint8_t *) "hSDwCYkwp1R0i33ctD73Wg2/Og0mOBr066SpjqqbTmoK";
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std::vector<std::uint8_t> pubkey(olm_pk_key_length());
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olm_pk_key_from_private(
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decryption,
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pubkey.data(), pubkey.size(),
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alice_private, sizeof(alice_private)
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);
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const uint8_t *PICKLE_KEY=(uint8_t *)"secret_key";
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std::vector<std::uint8_t> pickle_buffer(olm_pickle_pk_decryption_length(decryption));
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const uint8_t *expected_pickle = (uint8_t *) "qx37WTQrjZLz5tId/uBX9B3/okqAbV1ofl9UnHKno1eipByCpXleAAlAZoJgYnCDOQZDQWzo3luTSfkF9pU1mOILCbbouubs6TVeDyPfgGD9i86J8irHjA";
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olm_pickle_pk_decryption(
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decryption,
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PICKLE_KEY, strlen((char *)PICKLE_KEY),
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pickle_buffer.data(), pickle_buffer.size()
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);
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CHECK_EQ_SIZE(expected_pickle, (const std::uint8_t*)pickle_buffer.data(), olm_pickle_pk_decryption_length(decryption));
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olm_clear_pk_decryption(decryption);
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memset(pubkey.data(), 0, olm_pk_key_length());
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olm_unpickle_pk_decryption(
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decryption,
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PICKLE_KEY, strlen((char *)PICKLE_KEY),
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pickle_buffer.data(), pickle_buffer.size(),
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pubkey.data(), pubkey.size()
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);
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CHECK_EQ_SIZE(alice_public, (const std::uint8_t*)pubkey.data(), olm_pk_key_length());
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/* Deliberately corrupt the pickled session by supplying a junk suffix and
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* ensure this is caught as an error. */
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const size_t junk_length = 1;
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std::size_t pickle_length = olm_pickle_pk_decryption_length(decryption);
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std::vector<std::uint8_t> junk_pickle(pickle_length + _olm_enc_output_length(junk_length));
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olm_pickle_pk_decryption(
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decryption,
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PICKLE_KEY, strlen((char *)PICKLE_KEY),
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junk_pickle.data(), pickle_length
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);
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const size_t junk_pickle_length = add_junk_suffix_to_pickle(
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PICKLE_KEY, strlen((char *)PICKLE_KEY),
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junk_pickle.data(),
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pickle_length,
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junk_length);
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CHECK_EQ(std::size_t(-1),
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olm_unpickle_pk_decryption(
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decryption,
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PICKLE_KEY, strlen((char *)PICKLE_KEY),
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junk_pickle.data(), junk_pickle_length,
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pubkey.data(), pubkey.size()
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));
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CHECK_EQ(OLM_PICKLE_EXTRA_DATA, olm_pk_decryption_last_error_code(decryption));
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/***/
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char *ciphertext = strdup("ntk49j/KozVFtSqJXhCejg");
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const char *mac = "zpzU6BkZcNI";
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const char *ephemeral_key = "3p7bfXt9wbTTW2HC7OQ1Nz+DQ8hbeGdNrfx+FG+IK08";
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size_t max_plaintext_length = olm_pk_max_plaintext_length(decryption, strlen(ciphertext));
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std::uint8_t *plaintext_buffer = (std::uint8_t *) malloc(max_plaintext_length);
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olm_pk_decrypt(
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decryption,
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ephemeral_key, strlen(ephemeral_key),
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mac, strlen(mac),
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ciphertext, strlen(ciphertext),
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plaintext_buffer, max_plaintext_length
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);
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const std::uint8_t *plaintext = (std::uint8_t *) "This is a test";
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CHECK_EQ_SIZE(plaintext, (const std::uint8_t*)plaintext_buffer, strlen((const char *)plaintext));
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free(ciphertext);
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free(plaintext_buffer);
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}
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/* Signing Test Case 1 */
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TEST_CASE("Public Key Signing") {
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std::vector<std::uint8_t> signing_buffer(olm_pk_signing_size());
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OlmPkSigning *signing = olm_pk_signing(signing_buffer.data());
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std::uint8_t seed[32] = {
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0x77, 0x07, 0x6D, 0x0A, 0x73, 0x18, 0xA5, 0x7D,
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0x3C, 0x16, 0xC1, 0x72, 0x51, 0xB2, 0x66, 0x45,
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0xDF, 0x4C, 0x2F, 0x87, 0xEB, 0xC0, 0x99, 0x2A,
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0xB1, 0x77, 0xFB, 0xA5, 0x1D, 0xB9, 0x2C, 0x2A
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};
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//const std::uint8_t *pub_key = (std::uint8_t *) "hSDwCYkwp1R0i33ctD73Wg2/Og0mOBr066SpjqqbTmoK";
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std::vector<char> pubkey(olm_pk_signing_public_key_length() + 1);
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olm_pk_signing_key_from_seed(
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signing,
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pubkey.data(), pubkey.size() - 1,
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seed, sizeof(seed)
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);
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char *message = strdup("We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness.");
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std::uint8_t *sig_buffer = (std::uint8_t *) malloc(olm_pk_signature_length() + 1);
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olm_pk_sign(
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signing,
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(const uint8_t *)message, strlen(message),
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sig_buffer, olm_pk_signature_length()
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);
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void * utility_buffer = malloc(::olm_utility_size());
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::OlmUtility * utility = ::olm_utility(utility_buffer);
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size_t result;
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result = ::olm_ed25519_verify(
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utility,
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pubkey.data(), olm_pk_signing_public_key_length(),
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message, strlen(message),
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sig_buffer, olm_pk_signature_length()
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);
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CHECK_EQ((size_t)0, result);
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sig_buffer[5] = 'm';
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result = ::olm_ed25519_verify(
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utility,
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pubkey.data(), olm_pk_signing_public_key_length(),
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message, strlen(message),
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sig_buffer, olm_pk_signature_length()
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);
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CHECK_EQ((size_t)-1, result);
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olm_clear_utility(utility);
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free(utility_buffer);
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free(message);
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free(sig_buffer);
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olm_clear_pk_signing(signing);
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}
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