Charon/blockchain
1
0
Fork 0
forked from lthn/blockchain
Code Pull requests Activity

bitcoin-secp256k1 submodule added + native crypto test

Browse source
This commit is contained in:
sowle 2024-06-26 21:15:44 +02:00
parent 7ff58b6b18
commit 8f25f0d460
No known key found for this signature in database
GPG key ID: C07A24B2D89D49FC
4 changed files with 76 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
.gitmodules vendored
View file

@ -12,3 +12,6 @@
[submodule "contrib/jwt-cpp"]
path = contrib/jwt-cpp
url = https://github.com/Thalhammer/jwt-cpp.git
[submodule "contrib/bitcoin-secp256k1"]
path = contrib/bitcoin-secp256k1
url = https://github.com/bitcoin-core/secp256k1.git

11
contrib/CMakeLists.txt
View file

@ -5,6 +5,14 @@ add_subdirectory(zlib)
add_subdirectory(db)
add_subdirectory(ethereum)
option(SECP256K1_BUILD_BENCHMARK "Build benchmarks." OFF)
option(SECP256K1_BUILD_TESTS "Build tests." OFF)
option(SECP256K1_BUILD_EXHAUSTIVE_TESTS "Build exhaustive tests." OFF)
option(SECP256K1_BUILD_CTIME_TESTS "Build constant-time tests." OFF)
option(SECP256K1_BUILD_EXAMPLES "Build examples." OFF)
set_property(GLOBAL PROPERTY CTEST_TARGETS_ADDED 1)
add_subdirectory(bitcoin-secp256k1)
if( NOT DISABLE_TOR)
add_subdirectory(tor-connect)
endif()
@ -23,6 +31,9 @@ set_property(TARGET libminiupnpc-static PROPERTY FOLDER "contrib")
set_property(TARGET zlibstatic PROPERTY FOLDER "contrib")
set_property(TARGET mdbx PROPERTY FOLDER "contrib")
set_property(TARGET lmdb PROPERTY FOLDER "contrib")
set_property(TARGET secp256k1 PROPERTY FOLDER "contrib")
set_property(TARGET secp256k1_precomputed PROPERTY FOLDER "contrib")
if( NOT DISABLE_TOR)
set_property(TARGET tor-connect PROPERTY FOLDER "contrib")
endif()

2
src/CMakeLists.txt
View file

@ -116,6 +116,8 @@ else()
endif()
add_library(crypto ${CRYPTO})
add_dependencies(crypto secp256k1)
target_link_libraries(crypto secp256k1)
add_library(currency_core ${CURRENCY_CORE})
add_dependencies(currency_core version ${PCH_LIB_NAME})

60
tests/functional_tests/crypto_tests.cpp
View file

@ -1896,6 +1896,66 @@ TEST(crypto, generators_precomp)
#undef CHECK_PRECOMP
}
#include "bitcoin-secp256k1/include/secp256k1.h"
TEST(crypto, secp256k1_ecdsa_native)
{
bool r = false;
secp256k1_context* ctx = secp256k1_context_create(SECP256K1_CONTEXT_NONE);
uint8_t randomness[32];
crypto::generate_random_bytes(sizeof randomness, randomness);
secp256k1_context_randomize(ctx, randomness);
uint8_t seckey[32] = {};
while(true)
{
crypto::generate_random_bytes(sizeof seckey, seckey);
if (secp256k1_ec_seckey_verify(ctx, seckey))
break;
}
secp256k1_pubkey pubkey{};
ASSERT_TRUE(secp256k1_ec_pubkey_create(ctx, &pubkey, seckey));
uint8_t compressed_pubkey[33] = {};
size_t output_len = sizeof compressed_pubkey;
ASSERT_TRUE(secp256k1_ec_pubkey_serialize(ctx, compressed_pubkey, &output_len, &pubkey, SECP256K1_EC_COMPRESSED));
ASSERT_TRUE(output_len == sizeof compressed_pubkey);
secp256k1_ecdsa_signature secp256k1_ecdsa_sig{};
hash msg_hash = hash_helper_t::h("message");
ASSERT_TRUE(secp256k1_ecdsa_sign(ctx, &secp256k1_ecdsa_sig, (const unsigned char*)&msg_hash, seckey, NULL, NULL));
// Serialize the signature in a compact form.
unsigned char secp256k1_ecdsa_sig_serialized[64] = {};
ASSERT_TRUE(secp256k1_ecdsa_signature_serialize_compact(ctx, secp256k1_ecdsa_sig_serialized, &secp256k1_ecdsa_sig));
//
// Verification
//
secp256k1_ecdsa_sig = secp256k1_ecdsa_signature{};
pubkey = secp256k1_pubkey{};
// Deserialize the signature.
ASSERT_TRUE(secp256k1_ecdsa_signature_parse_compact(ctx, &secp256k1_ecdsa_sig, secp256k1_ecdsa_sig_serialized));
// Deserialize the public key. This will return 0 if the public key can't be parsed correctly. */
ASSERT_TRUE(secp256k1_ec_pubkey_parse(ctx, &pubkey, compressed_pubkey, sizeof(compressed_pubkey)));
// verify a signature
ASSERT_TRUE(secp256k1_ecdsa_verify(ctx, &secp256k1_ecdsa_sig, (const unsigned char*)&msg_hash, &pubkey));
// verify using a static context
ASSERT_TRUE(secp256k1_ecdsa_verify(secp256k1_context_static, &secp256k1_ecdsa_sig, (const unsigned char*)&msg_hash, &pubkey));
// Epilogue
secp256k1_context_destroy(ctx);
return true;
}
//