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ECKey: allow unit tests to disable signature creation/verification.

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This commit is contained in:
Mike Hearn 2013-11-21 13:24:05 +01:00
parent 857b34fcee
commit a9469758fd
1 changed files with 16 additions and 0 deletions
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16
core/src/main/java/com/google/bitcoin/core/ECKey.java
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@ -19,6 +19,8 @@ package com.google.bitcoin.core;
import com.google.bitcoin.crypto.EncryptedPrivateKey;
import com.google.bitcoin.crypto.KeyCrypter;
import com.google.bitcoin.crypto.KeyCrypterException;
import com.google.bitcoin.crypto.TransactionSignature;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
import org.bitcoin.NativeSecp256k1;
import org.slf4j.Logger;
@ -409,6 +411,14 @@ public class ECKey implements Serializable {
return sign(input, null);
}
/**
* If this global variable is set to true, sign() creates a dummy signature and verify() always returns true.
* This is intended to help accelerate unit tests that do a lot of signing/verifying, which in the debugger
* can be painfully slow.
*/
@VisibleForTesting
public static boolean FAKE_SIGNATURES = false;
/**
* Signs the given hash and returns the R and S components as BigIntegers. In the Bitcoin protocol, they are
* usually encoded using DER format, so you want {@link com.google.bitcoin.core.ECKey.ECDSASignature#encodeToDER()}
@ -419,6 +429,9 @@ public class ECKey implements Serializable {
* @throws KeyCrypterException if this ECKey doesn't have a private part.
*/
public ECDSASignature sign(Sha256Hash input, KeyParameter aesKey) throws KeyCrypterException {
if (FAKE_SIGNATURES)
return TransactionSignature.dummy();
// The private key bytes to use for signing.
BigInteger privateKeyForSigning;
@ -465,6 +478,9 @@ public class ECKey implements Serializable {
* @param pub The public key bytes to use.
*/
public static boolean verify(byte[] data, ECDSASignature signature, byte[] pub) {
if (FAKE_SIGNATURES)
return true;
if (NativeSecp256k1.enabled)
return NativeSecp256k1.verify(data, signature.encodeToDER(), pub);