diff options
author | Jonas Schnelli <dev@jonasschnelli.ch> | 2019-03-01 17:03:58 +0100 |
---|---|---|
committer | Jonas Schnelli <dev@jonasschnelli.ch> | 2019-05-03 20:31:18 +0200 |
commit | 2bc2b8b49ad87376d98591b14403dc3b46e3166b (patch) | |
tree | 48125d1bf8a013325c48cc079d211a5a915ae726 /src/test/crypto_tests.cpp | |
parent | a6d7026a45c915794338c178b7f95d5c1f8e977f (diff) | |
download | bitcoin-2bc2b8b49ad87376d98591b14403dc3b46e3166b.tar.xz |
Add ChaCha20 encryption option (XOR)
Diffstat (limited to 'src/test/crypto_tests.cpp')
-rw-r--r-- | src/test/crypto_tests.cpp | 47 |
1 files changed, 39 insertions, 8 deletions
diff --git a/src/test/crypto_tests.cpp b/src/test/crypto_tests.cpp index 86cb00a78f..2d6e532203 100644 --- a/src/test/crypto_tests.cpp +++ b/src/test/crypto_tests.cpp @@ -187,17 +187,36 @@ static void TestAES256CBC(const std::string &hexkey, const std::string &hexiv, b } } -static void TestChaCha20(const std::string &hexkey, uint64_t nonce, uint64_t seek, const std::string& hexout) +static void TestChaCha20(const std::string &hex_message, const std::string &hexkey, uint64_t nonce, uint64_t seek, const std::string& hexout) { std::vector<unsigned char> key = ParseHex(hexkey); + std::vector<unsigned char> m = ParseHex(hex_message); ChaCha20 rng(key.data(), key.size()); rng.SetIV(nonce); rng.Seek(seek); std::vector<unsigned char> out = ParseHex(hexout); std::vector<unsigned char> outres; outres.resize(out.size()); - rng.Output(outres.data(), outres.size()); + assert(hex_message.empty() || m.size() == out.size()); + + // perform the ChaCha20 round(s), if message is provided it will output the encrypted ciphertext otherwise the keystream + if (!hex_message.empty()) { + rng.Crypt(m.data(), outres.data(), outres.size()); + } else { + rng.Keystream(outres.data(), outres.size()); + } BOOST_CHECK(out == outres); + if (!hex_message.empty()) { + // Manually XOR with the keystream and compare the output + rng.SetIV(nonce); + rng.Seek(seek); + std::vector<unsigned char> only_keystream(outres.size()); + rng.Keystream(only_keystream.data(), only_keystream.size()); + for (size_t i = 0; i != m.size(); i++) { + outres[i] = m[i] ^ only_keystream[i]; + } + BOOST_CHECK(out == outres); + } } static std::string LongTestString() { @@ -497,25 +516,37 @@ BOOST_AUTO_TEST_CASE(aes_cbc_testvectors) { BOOST_AUTO_TEST_CASE(chacha20_testvector) { // Test vector from RFC 7539 - TestChaCha20("000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f", 0x4a000000UL, 1, + + // test encryption + TestChaCha20("4c616469657320616e642047656e746c656d656e206f662074686520636c617373206f66202739393a204966204920636f756" + "c64206f6666657220796f75206f6e6c79206f6e652074697020666f7220746865206675747572652c2073756e73637265656e" + "20776f756c642062652069742e", + "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f", 0x4a000000UL, 1, + "6e2e359a2568f98041ba0728dd0d6981e97e7aec1d4360c20a27afccfd9fae0bf91b65c5524733ab8f593dabcd62b3571639d" + "624e65152ab8f530c359f0861d807ca0dbf500d6a6156a38e088a22b65e52bc514d16ccf806818ce91ab77937365af90bbf74" + "a35be6b40b8eedf2785e42874d" + ); + + // test keystream output + TestChaCha20("", "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f", 0x4a000000UL, 1, "224f51f3401bd9e12fde276fb8631ded8c131f823d2c06e27e4fcaec9ef3cf788a3b0aa372600a92b57974cded2b9334794cb" "a40c63e34cdea212c4cf07d41b769a6749f3f630f4122cafe28ec4dc47e26d4346d70b98c73f3e9c53ac40c5945398b6eda1a" "832c89c167eacd901d7e2bf363"); // Test vectors from https://tools.ietf.org/html/draft-agl-tls-chacha20poly1305-04#section-7 - TestChaCha20("0000000000000000000000000000000000000000000000000000000000000000", 0, 0, + TestChaCha20("", "0000000000000000000000000000000000000000000000000000000000000000", 0, 0, "76b8e0ada0f13d90405d6ae55386bd28bdd219b8a08ded1aa836efcc8b770dc7da41597c5157488d7724e03fb8d84a376a43b" "8f41518a11cc387b669b2ee6586"); - TestChaCha20("0000000000000000000000000000000000000000000000000000000000000001", 0, 0, + TestChaCha20("", "0000000000000000000000000000000000000000000000000000000000000001", 0, 0, "4540f05a9f1fb296d7736e7b208e3c96eb4fe1834688d2604f450952ed432d41bbe2a0b6ea7566d2a5d1e7e20d42af2c53d79" "2b1c43fea817e9ad275ae546963"); - TestChaCha20("0000000000000000000000000000000000000000000000000000000000000000", 0x0100000000000000ULL, 0, + TestChaCha20("", "0000000000000000000000000000000000000000000000000000000000000000", 0x0100000000000000ULL, 0, "de9cba7bf3d69ef5e786dc63973f653a0b49e015adbff7134fcb7df137821031e85a050278a7084527214f73efc7fa5b52770" "62eb7a0433e445f41e3"); - TestChaCha20("0000000000000000000000000000000000000000000000000000000000000000", 1, 0, + TestChaCha20("", "0000000000000000000000000000000000000000000000000000000000000000", 1, 0, "ef3fdfd6c61578fbf5cf35bd3dd33b8009631634d21e42ac33960bd138e50d32111e4caf237ee53ca8ad6426194a88545ddc4" "97a0b466e7d6bbdb0041b2f586b"); - TestChaCha20("000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f", 0x0706050403020100ULL, 0, + TestChaCha20("", "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f", 0x0706050403020100ULL, 0, "f798a189f195e66982105ffb640bb7757f579da31602fc93ec01ac56f85ac3c134a4547b733b46413042c9440049176905d3b" "e59ea1c53f15916155c2be8241a38008b9a26bc35941e2444177c8ade6689de95264986d95889fb60e84629c9bd9a5acb1cc1" "18be563eb9b3a4a472f82e09a7e778492b562ef7130e88dfe031c79db9d4f7c7a899151b9a475032b63fc385245fe054e3dd5" |