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src/WIF.cpp: use signature encoder/decoder.

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This commit is contained in:
Henrik Hautakoski 2023-03-25 18:16:32 +01:00
parent be6c98f1bd
commit 9819b2b94d
1 changed files with 3 additions and 30 deletions
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33
src/WIF.cpp
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@ -30,20 +30,6 @@
namespace libeosio {
// Just to make it "harder" the calculated checksum for a signature (k1) and pub/priv keys in k1/r1 format.
// has a suffix that is not present in the WIF encoded string.
// So this function is a quick hack to calculate it.
//
// Should implement and use Init/Update/Finalize hash functions to do it inplace.
checksum_t _checksum_suffix(const unsigned char *in, size_t size, const char *suffix) {
unsigned char buf[size + 2];
memcpy(buf, in, size);
memcpy(buf + size, suffix, 2);
return checksum_ripemd160(buf, size + 2);
}
std::string wif_priv_encode(const ec_privkey_t& priv, const std::string& prefix) {
checksum_t check;
@ -148,28 +134,15 @@ bool wif_sig_decode(ec_signature_t& sig, const std::string& data) {
return false;
}
// Calculate checksum
checksum = _checksum_suffix(buf.data(), EC_SIGNATURE_SIZE, "K1");
// And validate
if (memcmp(buf.data() + EC_SIGNATURE_SIZE, checksum.data(), CHECKSUM_SIZE)) {
return false;
}
// Copy data to output
memcpy(sig.data(), buf.data(), sig.size());
return true;
return internal::sig_decoder_k1(buf, sig);
}
std::string wif_sig_encode(const ec_signature_t& sig) {
unsigned char buf[EC_SIGNATURE_SIZE + CHECKSUM_SIZE];
checksum_t check = _checksum_suffix(sig.data(), EC_SIGNATURE_SIZE, "K1");
internal::sig_encoder_k1(sig, buf);
memcpy(buf, sig.data(), sig.size());
memcpy(buf + EC_SIGNATURE_SIZE, check.data(), check.size());
return WIF_SIG_K1_" + base58_encode(buf, buf + sizeof(buf));
return WIF_SIG_K1 + base58_encode(buf, buf + sizeof(buf));
}
} // namespace libeosio