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adjust the signature #4

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adjust the signature #4

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5e56d52
adjust the signature
Jan 22, 2019
418aed2
adjust signature algorithm
Jan 22, 2019
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31 changes: 10 additions & 21 deletions app/src/main/java/com/bitshares/bitshareswallet/wallet/private_key.java
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Original file line number Diff line number Diff line change
Expand Up @@ -110,30 +110,19 @@ private private_key(KeyPair ecKey){

public compact_signature sign_compact(sha256_object digest, boolean require_canonical ) {
compact_signature signature = null;
try {
final HmacPRNG prng = new HmacPRNG(key_data);
RandomSource randomSource = new RandomSource() {
@Override
public void nextBytes(byte[] bytes) {
prng.nextBytes(bytes);
}
};

while (true) {
InMemoryPrivateKey inMemoryPrivateKey = new InMemoryPrivateKey(key_data);
SignedMessage signedMessage = inMemoryPrivateKey.signHash(new Sha256Hash(digest.hash), randomSource);
byte[] byteCompact = signedMessage.bitcoinEncodingOfSignature();
signature = new compact_signature(byteCompact);

boolean bResult = public_key.is_canonical(signature);
if (bResult == true) {
break;
}
while (true) {
InMemoryPrivateKey inMemoryPrivateKey = new InMemoryPrivateKey(key_data);
SignedMessage signedMessage = inMemoryPrivateKey.signHash(new Sha256Hash(digest.hash));
byte[] byteCompact = signedMessage.bitcoinEncodingOfSignature();
signature = new compact_signature(byteCompact);

boolean bResult = public_key.is_canonical(signature);
if (bResult == true) {
break;
}
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}


return signature;
}

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