| package org.bouncycastle.crypto.tls; |
| |
| import org.bouncycastle.crypto.DSA; |
| import org.bouncycastle.crypto.params.AsymmetricKeyParameter; |
| import org.bouncycastle.crypto.params.DSAPublicKeyParameters; |
| import org.bouncycastle.crypto.signers.DSASigner; |
| import org.bouncycastle.crypto.signers.HMacDSAKCalculator; |
| |
| public class TlsDSSSigner |
| extends TlsDSASigner |
| { |
| public boolean isValidPublicKey(AsymmetricKeyParameter publicKey) |
| { |
| return publicKey instanceof DSAPublicKeyParameters; |
| } |
| |
| protected DSA createDSAImpl(short hashAlgorithm) |
| { |
| return new DSASigner(new HMacDSAKCalculator(TlsUtils.createHash(hashAlgorithm))); |
| } |
| |
| protected short getSignatureAlgorithm() |
| { |
| return SignatureAlgorithm.dsa; |
| } |
| } |