org.xipki.security.util

Class SignerUtil

java.lang.Object

org.xipki.security.util.SignerUtil

public class SignerUtil
extends Object

utility class for converting java.security RSA objects into their org.bouncycastle.crypto counterparts.

Since:

2.0.0

Author:

Lijun Liao

Method Summary

Modifier and Type	Method and Description
static org.bouncycastle.crypto.Signer	createPSSRSASigner(SignAlgo sigAlgo)
static org.bouncycastle.crypto.Signer	createPSSRSASigner(SignAlgo sigAlgo, org.bouncycastle.crypto.AsymmetricBlockCipher cipher)
static byte[]	dsaSigPlainToX962(byte[] signature)
static byte[]	dsaSigToPlain(BigInteger sigR, BigInteger sigS, int keyBitLen)
static byte[]	dsaSigX962ToPlain(byte[] x962Signature, int keyBitLen)
static org.bouncycastle.crypto.params.RSAKeyParameters	generateRSAPrivateKeyParameter(RSAPrivateKey key)
static org.bouncycastle.operator.ContentVerifierProvider	getContentVerifierProvider(PublicKey publicKey, DHSigStaticKeyCertPair ownerKeyAndCert)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

generateRSAPrivateKeyParameter

public static org.bouncycastle.crypto.params.RSAKeyParameters generateRSAPrivateKeyParameter(RSAPrivateKey key)

createPSSRSASigner

public static org.bouncycastle.crypto.Signer createPSSRSASigner(SignAlgo sigAlgo)
                                                         throws XiSecurityException

Throws:

XiSecurityException

createPSSRSASigner

public static org.bouncycastle.crypto.Signer createPSSRSASigner(SignAlgo sigAlgo,
                                                                org.bouncycastle.crypto.AsymmetricBlockCipher cipher)
                                                         throws XiSecurityException

Throws:

XiSecurityException

dsaSigPlainToX962

public static byte[] dsaSigPlainToX962(byte[] signature)
                                throws XiSecurityException

Throws:

XiSecurityException

dsaSigX962ToPlain

public static byte[] dsaSigX962ToPlain(byte[] x962Signature,
                                       int keyBitLen)
                                throws XiSecurityException

Throws:

XiSecurityException

dsaSigToPlain

public static byte[] dsaSigToPlain(BigInteger sigR,
                                   BigInteger sigS,
                                   int keyBitLen)
                            throws XiSecurityException

Throws:

XiSecurityException

getContentVerifierProvider

public static org.bouncycastle.operator.ContentVerifierProvider getContentVerifierProvider(PublicKey publicKey,
                                                                                           DHSigStaticKeyCertPair ownerKeyAndCert)
                                                                                    throws InvalidKeyException

Throws:

InvalidKeyException