org.xipki.security.util

Class AlgorithmUtil

java.lang.Object

org.xipki.security.util.AlgorithmUtil

public class AlgorithmUtil
extends Object

Algorithm utility class.

Since:

2.0.0

Author:

Lijun Liao

Method Summary

Modifier and Type	Method and Description
static String	canonicalizeSignatureAlgo(String algoName)
static boolean	equalsAlgoName(String algoNameA, String algoNameB)
static org.bouncycastle.asn1.x509.AlgorithmIdentifier	extractDigesetAlgFromSigAlg(org.bouncycastle.asn1.x509.AlgorithmIdentifier sigAlgId)
static HashAlgo	extractHashAlgoFromMacAlg(org.bouncycastle.asn1.x509.AlgorithmIdentifier macAlg)
static String	getCurveName(org.bouncycastle.asn1.ASN1ObjectIdentifier curveOid)
static org.bouncycastle.asn1.ASN1ObjectIdentifier	getCurveOidForCurveNameOrOid(String curveNameOrOid)
static List<String>	getECCurveNames()
static org.bouncycastle.asn1.ASN1ObjectIdentifier	getHashAlg(String hashAlgName)
static int	getHashOutputSizeInOctets(org.bouncycastle.asn1.ASN1ObjectIdentifier hashAlgo)
static org.bouncycastle.asn1.x509.AlgorithmIdentifier	getMacAlgId(String macAlgName)
static org.bouncycastle.asn1.x509.AlgorithmIdentifier	getSigAlgId(PublicKey pubKey, HashAlgo hashAlgo, SignatureAlgoControl algoControl)
static org.bouncycastle.asn1.x509.AlgorithmIdentifier	getSigAlgId(PublicKey pubKey, SignerConf signerConf)
static org.bouncycastle.asn1.x509.AlgorithmIdentifier	getSigAlgId(String sigAlgName)
static String	getSignatureAlgoName(org.bouncycastle.asn1.x509.AlgorithmIdentifier sigAlgId)
static AlgorithmCode	getSigOrMacAlgoCode(org.bouncycastle.asn1.x509.AlgorithmIdentifier algId)
static String	getSigOrMacAlgoName(org.bouncycastle.asn1.x509.AlgorithmIdentifier sigAlgId)
static boolean	isDSAPlainSigAlg(org.bouncycastle.asn1.x509.AlgorithmIdentifier algId)
static boolean	isDSASigAlg(org.bouncycastle.asn1.x509.AlgorithmIdentifier algId)
static boolean	isECSigAlg(org.bouncycastle.asn1.x509.AlgorithmIdentifier algId)
static boolean	isPlainECDSASigAlg(org.bouncycastle.asn1.x509.AlgorithmIdentifier algId)
static boolean	isRSASigAlgId(org.bouncycastle.asn1.x509.AlgorithmIdentifier algId)
static boolean	isSM2SigAlg(org.bouncycastle.asn1.x509.AlgorithmIdentifier algId)

Methods inherited from class java.lang.Object

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

Method Detail

getHashAlg

public static org.bouncycastle.asn1.ASN1ObjectIdentifier getHashAlg(String hashAlgName)
                                                             throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

getHashOutputSizeInOctets

public static int getHashOutputSizeInOctets(org.bouncycastle.asn1.ASN1ObjectIdentifier hashAlgo)
                                     throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

getSigOrMacAlgoCode

public static AlgorithmCode getSigOrMacAlgoCode(org.bouncycastle.asn1.x509.AlgorithmIdentifier algId)
                                         throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

getSigOrMacAlgoName

public static String getSigOrMacAlgoName(org.bouncycastle.asn1.x509.AlgorithmIdentifier sigAlgId)
                                  throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

getSignatureAlgoName

public static String getSignatureAlgoName(org.bouncycastle.asn1.x509.AlgorithmIdentifier sigAlgId)
                                   throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

isDSAPlainSigAlg

public static boolean isDSAPlainSigAlg(org.bouncycastle.asn1.x509.AlgorithmIdentifier algId)

canonicalizeSignatureAlgo

public static String canonicalizeSignatureAlgo(String algoName)
                                        throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

getMacAlgId

public static org.bouncycastle.asn1.x509.AlgorithmIdentifier getMacAlgId(String macAlgName)
                                                                  throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

getSigAlgId

public static org.bouncycastle.asn1.x509.AlgorithmIdentifier getSigAlgId(String sigAlgName)
                                                                  throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

getSigAlgId

public static org.bouncycastle.asn1.x509.AlgorithmIdentifier getSigAlgId(PublicKey pubKey,
                                                                         SignerConf signerConf)
                                                                  throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

getSigAlgId

public static org.bouncycastle.asn1.x509.AlgorithmIdentifier getSigAlgId(PublicKey pubKey,
                                                                         HashAlgo hashAlgo,
                                                                         SignatureAlgoControl algoControl)
                                                                  throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

isRSASigAlgId

public static boolean isRSASigAlgId(org.bouncycastle.asn1.x509.AlgorithmIdentifier algId)

isECSigAlg

public static boolean isECSigAlg(org.bouncycastle.asn1.x509.AlgorithmIdentifier algId)

isPlainECDSASigAlg

public static boolean isPlainECDSASigAlg(org.bouncycastle.asn1.x509.AlgorithmIdentifier algId)

isSM2SigAlg

public static boolean isSM2SigAlg(org.bouncycastle.asn1.x509.AlgorithmIdentifier algId)

isDSASigAlg

public static boolean isDSASigAlg(org.bouncycastle.asn1.x509.AlgorithmIdentifier algId)

extractHashAlgoFromMacAlg

public static HashAlgo extractHashAlgoFromMacAlg(org.bouncycastle.asn1.x509.AlgorithmIdentifier macAlg)

extractDigesetAlgFromSigAlg

public static org.bouncycastle.asn1.x509.AlgorithmIdentifier extractDigesetAlgFromSigAlg(org.bouncycastle.asn1.x509.AlgorithmIdentifier sigAlgId)
                                                                                  throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

equalsAlgoName

public static boolean equalsAlgoName(String algoNameA,
                                     String algoNameB)

getECCurveNames

public static List<String> getECCurveNames()

getCurveName

public static String getCurveName(org.bouncycastle.asn1.ASN1ObjectIdentifier curveOid)

getCurveOidForCurveNameOrOid

public static org.bouncycastle.asn1.ASN1ObjectIdentifier getCurveOidForCurveNameOrOid(String curveNameOrOid)