mirror of
https://github.com/lux-tel/libsession-util.git
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doylet
17026faf02
This is more accurate as we are returning just the 64 byte libsodium style private key, not the public and private key std::pair (32, 64b) respectively which is what other functions use the `keypair` nomenclamenture to denote.
140 lines
5.8 KiB
C++
140 lines
5.8 KiB
C++
#include <oxenc/hex.h>
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#include <catch2/catch_test_macros.hpp>
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#include <session/util.hpp>
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#include "session/ed25519.hpp"
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TEST_CASE("Ed25519 key pair generation", "[ed25519][keypair]") {
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// Generate two random key pairs and make sure they don't match
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auto [pk1, sk1] = session::ed25519::ed25519_key_pair();
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auto [pk2, sk2] = session::ed25519::ed25519_key_pair();
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CHECK(pk1.size() == 32);
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CHECK(sk1.size() == 64);
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CHECK(pk1 != pk2);
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CHECK(sk1 != sk2);
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}
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TEST_CASE("Ed25519 key pair generation seed", "[ed25519][keypair]") {
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using namespace session;
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constexpr auto ed_seed1 =
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"4cb76fdc6d32278e3f83dbf608360ecc6b65727934b85d2fb86862ff98c46ab7"_hex_u;
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constexpr auto ed_seed2 =
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"5ea34e72bb044654a6a23675690ef5ffaaf1656b02f93fb76655f9cbdbe89876"_hex_u;
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constexpr auto ed_seed_invalid = "010203040506070809"_hex_u;
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auto [pk1, sk1] = session::ed25519::ed25519_key_pair(ed_seed1);
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auto [pk2, sk2] = session::ed25519::ed25519_key_pair(ed_seed2);
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CHECK_THROWS(session::ed25519::ed25519_key_pair(ed_seed_invalid));
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CHECK(pk1.size() == 32);
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CHECK(sk1.size() == 64);
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CHECK(pk1 != pk2);
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CHECK(sk1 != sk2);
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CHECK(oxenc::to_hex(pk1) == "8862834829a87e0afadfed763fa8785e893dbde7f2c001ff1071aa55005c347f");
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CHECK(oxenc::to_hex(pk2) == "cd83ca3d13ad8a954d5011aa7861abe3a29ac25b70c4ed5234aff74d34ef5786");
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auto kp_sk1 =
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"4cb76fdc6d32278e3f83dbf608360ecc6b65727934b85d2fb86862ff98c46ab78862834829a"
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"87e0afadfed763fa8785e893dbde7f2c001ff1071aa55005c347f";
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auto kp_sk2 =
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"5ea34e72bb044654a6a23675690ef5ffaaf1656b02f93fb76655f9cbdbe89876cd83ca3d13a"
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"d8a954d5011aa7861abe3a29ac25b70c4ed5234aff74d34ef5786";
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CHECK(oxenc::to_hex(sk1) == kp_sk1);
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CHECK(oxenc::to_hex(sk2) == kp_sk2);
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}
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TEST_CASE("Ed25519 seed for private key", "[ed25519][seed]") {
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using namespace session;
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constexpr auto ed_sk1 =
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"4cb76fdc6d32278e3f83dbf608360ecc6b65727934b85d2fb86862ff98c46ab78862834829a"
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"87e0afadfed763fa8785e893dbde7f2c001ff1071aa55005c347f"_hex_u;
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constexpr auto ed_sk2 =
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"5ea34e72bb044654a6a23675690ef5ffaaf1656b02f93fb76655f9cbdbe89876"_hex_u;
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constexpr auto ed_sk_invalid = "010203040506070809"_hex_u;
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auto seed1 = session::ed25519::seed_for_ed_privkey(ed_sk1);
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auto seed2 = session::ed25519::seed_for_ed_privkey(ed_sk2);
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CHECK_THROWS(session::ed25519::seed_for_ed_privkey(ed_sk_invalid));
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CHECK(oxenc::to_hex(seed1) ==
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"4cb76fdc6d32278e3f83dbf608360ecc6b65727934b85d2fb86862ff98c46ab7");
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CHECK(oxenc::to_hex(seed2) ==
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"5ea34e72bb044654a6a23675690ef5ffaaf1656b02f93fb76655f9cbdbe89876");
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}
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TEST_CASE("Ed25519 pro key pair generation seed", "[ed25519][keypair]") {
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using namespace session;
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// Test vectors generated from Python
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//
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// clang-format off
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//
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// import nacl.bindings
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// import hashlib
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// import os
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//
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// seed0 = os.urandom(32)
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// seed1 = hashlib.blake2b(seed0, key=b'SessionProRandom', digest_size=32).digest()
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// (pkey, skey) = nacl.bindings.crypto_sign_seed_keypair(seed=seed0)
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// (pro_pkey, pro_skey) = nacl.bindings.crypto_sign_seed_keypair(seed=seed1)
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//
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// print(f'Seed0: {seed0.hex()}')
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// print(f'Pro: {bytes(pro_skey)[:32].hex()} / {bytes(pro_pkey).hex()}')
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//
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// Output
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//
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// Seed0: e5481635020d6f7b327e94e6d63e33a431fccabc4d2775845c43a8486a9f2884
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// Pro: a4ec87e2346b25ee6394211cb682640a09dd8d297016fe241fe5b06fefef416c / b6d20c075eddd2edb69d4d7da9b7e580f187ce0537585da2b5e454b77980d0c8
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//
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// Seed0: 743d646706b6b04b97b752036dd6cf5f2adc4b339fcfdfb4b496f0764bb93a84
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// Pro: 7da256ba427cf5419cefea81f8ebb3395c261e4dfc2c91ee4d3ce9def67aa21c / 539d0a3be9658ebb6ba3ce97b25d4f6b716f7ef6d6ae6343bd0733519f5a51e8
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//
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// clang-format on
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constexpr auto seed1 = "e5481635020d6f7b327e94e6d63e33a431fccabc4d2775845c43a8486a9f2884"_hex_u;
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constexpr auto seed2 = "743d646706b6b04b97b752036dd6cf5f2adc4b339fcfdfb4b496f0764bb93a84"_hex_u;
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constexpr auto seed_invalid = "010203040506070809"_hex_u;
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auto sk1 = session::ed25519::ed25519_pro_privkey_for_ed25519_seed(seed1);
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auto sk2 = session::ed25519::ed25519_pro_privkey_for_ed25519_seed(seed2);
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CHECK_THROWS(session::ed25519::ed25519_pro_privkey_for_ed25519_seed(seed_invalid));
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CHECK(sk1.size() == 64);
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CHECK(sk1 != sk2);
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auto kp_sk1 =
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"a4ec87e2346b25ee6394211cb682640a09dd8d297016fe241fe5b06fefef416c"
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"b6d20c075eddd2edb69d4d7da9b7e580f187ce0537585da2b5e454b77980d0c8";
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auto kp_sk2 =
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"7da256ba427cf5419cefea81f8ebb3395c261e4dfc2c91ee4d3ce9def67aa21c"
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"539d0a3be9658ebb6ba3ce97b25d4f6b716f7ef6d6ae6343bd0733519f5a51e8";
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CHECK(oxenc::to_hex(sk1) == kp_sk1);
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CHECK(oxenc::to_hex(sk2) == kp_sk2);
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}
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TEST_CASE("Ed25519", "[ed25519][signature]") {
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using namespace session;
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constexpr auto ed_seed =
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"4cb76fdc6d32278e3f83dbf608360ecc6b65727934b85d2fb86862ff98c46ab7"_hex_u;
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constexpr auto ed_pk = "8862834829a87e0afadfed763fa8785e893dbde7f2c001ff1071aa55005c347f"_hex_u;
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constexpr auto ed_invalid = "010203040506070809"_hex_u;
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auto sig1 = session::ed25519::sign(ed_seed, to_span("hello"));
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CHECK_THROWS(session::ed25519::sign(ed_invalid, to_span("hello")));
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auto expected_sig_hex =
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"e03b6e87a53d83f202f2501e9b52193dbe4a64c6503f88244948dee53271"
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"85011574589aa7b59bc9757f9b9c31b7be9c9212b92ac7c81e029ee21c338ee12405";
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CHECK(oxenc::to_hex(sig1) == expected_sig_hex);
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CHECK(session::ed25519::verify(sig1, ed_pk, to_span("hello")));
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CHECK_THROWS(session::ed25519::verify(ed_invalid, ed_pk, to_span("hello")));
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CHECK_THROWS(session::ed25519::verify(ed_pk, ed_invalid, to_span("hello")));
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}
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