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ECKey: add throwing variants of the verify methods. Can help avoid mistakes when ignoring the result of verify.

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This commit is contained in:
Mike Hearn 2014-12-19 02:29:23 +01:00
parent b00930efcd
commit 211966b17b
1 changed files with 20 additions and 0 deletions
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20
core/src/main/java/org/bitcoinj/core/ECKey.java
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@ -695,6 +695,26 @@ public class ECKey implements EncryptableItem, Serializable {
return ECKey.verify(sigHash.getBytes(), signature, getPubKey());
}
/**
* Verifies the given ASN.1 encoded ECDSA signature against a hash using the public key, and throws an exception
* if the signature doesn't match
* @throws java.security.SignatureException if the signature does not match.
*/
public void verifyOrThrow(byte[] hash, byte[] signature) throws SignatureException {
if (!verify(hash, signature))
throw new SignatureException();
}
/**
* Verifies the given R/S pair (signature) against a hash using the public key, and throws an exception
* if the signature doesn't match
* @throws java.security.SignatureException if the signature does not match.
*/
public void verifyOrThrow(Sha256Hash sigHash, ECDSASignature signature) throws SignatureException {
if (!ECKey.verify(sigHash.getBytes(), signature, getPubKey()))
throw new SignatureException();
}
/**
* Returns true if the given pubkey is canonical, i.e. the correct length taking into account compression.
*/