Unit tests for EC key routines

This tests:
* creation of keys from base58-encoded strings
* extracting public keys and addresses
* compressed public keys
* compact signatures and key recovery
This commit is contained in:
Pieter Wuille 2012-01-08 16:59:34 +01:00
parent d4d9c734c3
commit b3974ec9d4

138
src/test/key_tests.cpp Normal file
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#include <boost/test/unit_test.hpp>
#include <string>
#include <vector>
#include "key.h"
#include "base58.h"
#include "uint256.h"
#include "util.h"
using namespace std;
static const string strSecret1 ("5HxWvvfubhXpYYpS3tJkw6fq9jE9j18THftkZjHHfmFiWtmAbrj");
static const string strSecret2 ("5KC4ejrDjv152FGwP386VD1i2NYc5KkfSMyv1nGy1VGDxGHqVY3");
static const string strSecret1C("Kwr371tjA9u2rFSMZjTNun2PXXP3WPZu2afRHTcta6KxEUdm1vEw");
static const string strSecret2C("L3Hq7a8FEQwJkW1M2GNKDW28546Vp5miewcCzSqUD9kCAXrJdS3g");
#ifdef KEY_TESTS_DUMPINFO
void dumpKeyInfo(uint256 privkey)
{
CSecret secret;
secret.resize(32);
memcpy(&secret[0], &privkey, 32);
vector<unsigned char> sec;
sec.resize(32);
memcpy(&sec[0], &secret[0], 32);
printf(" * secret (hex): %s\n", HexStr(sec).c_str());
for (int nCompressed=0; nCompressed<2; nCompressed++)
{
bool fCompressed = nCompressed == 1;
printf(" * %s:\n", fCompressed ? "compressed" : "uncompressed");
CBitcoinSecret bsecret;
bsecret.SetSecret(secret, fCompressed);
printf(" * secret (base58): %s\n", bsecret.ToString().c_str());
CKey key;
key.SetSecret(secret, fCompressed);
vector<unsigned char> vchPubKey = key.GetPubKey();
printf(" * pubkey (hex): %s\n", HexStr(vchPubKey).c_str());
printf(" * address (base58): %s\n", CBitcoinAddress(vchPubKey).ToString().c_str());
}
}
#endif
BOOST_AUTO_TEST_SUITE(key_tests)
BOOST_AUTO_TEST_CASE(key_test1)
{
CBitcoinSecret bsecret1, bsecret2, bsecret1C, bsecret2C;
bsecret1.SetString (strSecret1);
bsecret2.SetString (strSecret2);
bsecret1C.SetString(strSecret1C);
bsecret2C.SetString(strSecret2C);
bool fCompressed;
CSecret secret1 = bsecret1.GetSecret (fCompressed);
BOOST_CHECK(fCompressed == false);
CSecret secret2 = bsecret2.GetSecret (fCompressed);
BOOST_CHECK(fCompressed == false);
CSecret secret1C = bsecret1C.GetSecret(fCompressed);
BOOST_CHECK(fCompressed == true);
CSecret secret2C = bsecret2C.GetSecret(fCompressed);
BOOST_CHECK(fCompressed == true);
BOOST_CHECK(secret1 == secret1C);
BOOST_CHECK(secret2 == secret2C);
CKey key1, key2, key1C, key2C;
key1.SetSecret(secret1, false);
key2.SetSecret(secret2, false);
key1C.SetSecret(secret1, true);
key2C.SetSecret(secret2, true);
BOOST_CHECK(CBitcoinAddress(key1.GetPubKey ()).ToString() == "1QFqqMUD55ZV3PJEJZtaKCsQmjLT6JkjvJ");
BOOST_CHECK(CBitcoinAddress(key2.GetPubKey ()).ToString() == "1F5y5E5FMc5YzdJtB9hLaUe43GDxEKXENJ");
BOOST_CHECK(CBitcoinAddress(key1C.GetPubKey()).ToString() == "1NoJrossxPBKfCHuJXT4HadJrXRE9Fxiqs");
BOOST_CHECK(CBitcoinAddress(key2C.GetPubKey()).ToString() == "1CRj2HyM1CXWzHAXLQtiGLyggNT9WQqsDs");
for (int n=0; n<16; n++)
{
string strMsg = strprintf("Very secret message %i: 11", n);
uint256 hashMsg = Hash(strMsg.begin(), strMsg.end());
// normal signatures
vector<unsigned char> sign1, sign2, sign1C, sign2C;
BOOST_CHECK(key1.Sign (hashMsg, sign1));
BOOST_CHECK(key2.Sign (hashMsg, sign2));
BOOST_CHECK(key1C.Sign(hashMsg, sign1C));
BOOST_CHECK(key2C.Sign(hashMsg, sign2C));
BOOST_CHECK( key1.Verify(hashMsg, sign1));
BOOST_CHECK(!key1.Verify(hashMsg, sign2));
BOOST_CHECK( key1.Verify(hashMsg, sign1C));
BOOST_CHECK(!key1.Verify(hashMsg, sign2C));
BOOST_CHECK(!key2.Verify(hashMsg, sign1));
BOOST_CHECK( key2.Verify(hashMsg, sign2));
BOOST_CHECK(!key2.Verify(hashMsg, sign1C));
BOOST_CHECK( key2.Verify(hashMsg, sign2C));
BOOST_CHECK( key1C.Verify(hashMsg, sign1));
BOOST_CHECK(!key1C.Verify(hashMsg, sign2));
BOOST_CHECK( key1C.Verify(hashMsg, sign1C));
BOOST_CHECK(!key1C.Verify(hashMsg, sign2C));
BOOST_CHECK(!key2C.Verify(hashMsg, sign1));
BOOST_CHECK( key2C.Verify(hashMsg, sign2));
BOOST_CHECK(!key2C.Verify(hashMsg, sign1C));
BOOST_CHECK( key2C.Verify(hashMsg, sign2C));
// compact signatures (with key recovery)
vector<unsigned char> csign1, csign2, csign1C, csign2C;
BOOST_CHECK(key1.SignCompact (hashMsg, csign1));
BOOST_CHECK(key2.SignCompact (hashMsg, csign2));
BOOST_CHECK(key1C.SignCompact(hashMsg, csign1C));
BOOST_CHECK(key2C.SignCompact(hashMsg, csign2C));
CKey rkey1, rkey2, rkey1C, rkey2C;
BOOST_CHECK(rkey1.SetCompactSignature (hashMsg, csign1));
BOOST_CHECK(rkey2.SetCompactSignature (hashMsg, csign2));
BOOST_CHECK(rkey1C.SetCompactSignature(hashMsg, csign1C));
BOOST_CHECK(rkey2C.SetCompactSignature(hashMsg, csign2C));
BOOST_CHECK(rkey1.GetPubKey() == key1.GetPubKey());
BOOST_CHECK(rkey2.GetPubKey() == key2.GetPubKey());
BOOST_CHECK(rkey1C.GetPubKey() == key1C.GetPubKey());
BOOST_CHECK(rkey2C.GetPubKey() == key2C.GetPubKey());
}
}
BOOST_AUTO_TEST_SUITE_END()