Top Description Fields Constructors Methods
org.bouncycastle.jcajce.provider.asymmetric.dsa

public Class DSAUtil

extends Object
Class Inheritance
Imports
java.math.BigInteger, java.security.InvalidKeyException, .PrivateKey, .PublicKey, java.security.interfaces.DSAParams, .DSAPrivateKey, .DSAPublicKey, org.bouncycastle.asn1.ASN1ObjectIdentifier, org.bouncycastle.asn1.x509.SubjectPublicKeyInfo, org.bouncycastle.asn1.x9.X9ObjectIdentifiers, org.bouncycastle.crypto.params.AsymmetricKeyParameter, .DSAParameters, .DSAPrivateKeyParameters, org.bouncycastle.internal.asn1.oiw.OIWObjectIdentifiers, org.bouncycastle.util.Arrays, .Fingerprint
utility class for converting jce/jca DSA objects objects into their org.bouncycastle.crypto counterparts.

Field Summary

Modifier and TypeField and Description
public static final ASN1ObjectIdentifier[]
dsaOids

Constructor Summary

AccessConstructor and Description
public
DSAUtil()

Method Summary

Modifier and TypeMethod and Description
pack-priv static String
generateKeyFingerprint(BigInteger y, DSAParams params)

public static AsymmetricKeyParameter
generatePrivateKeyParameter(PrivateKey key)

public static AsymmetricKeyParameter
generatePublicKeyParameter(PublicKey key)

public static boolean

Returns:

true if it's for a DSA key, false otherwise.
isDsaOid(ASN1ObjectIdentifier
algorithm OID from a key.
algOid)

Return true if the passed in OID could be associated with a DSA key.

pack-priv static DSAParameters
toDSAParameters(DSAParams spec)

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

dsaOidsback to summary
public static final ASN1ObjectIdentifier[] dsaOids

Constructor Detail

DSAUtilback to summary
public DSAUtil()

Method Detail

generateKeyFingerprintback to summary
pack-priv static String generateKeyFingerprint(BigInteger y, DSAParams params)
generatePrivateKeyParameterback to summary
public static AsymmetricKeyParameter generatePrivateKeyParameter(PrivateKey key) throws InvalidKeyException
generatePublicKeyParameterback to summary
public static AsymmetricKeyParameter generatePublicKeyParameter(PublicKey key) throws InvalidKeyException
isDsaOidback to summary
public static boolean isDsaOid(ASN1ObjectIdentifier algOid)

Return true if the passed in OID could be associated with a DSA key.

Parameters
algOid:ASN1ObjectIdentifier

algorithm OID from a key.

Returns:boolean

true if it's for a DSA key, false otherwise.

toDSAParametersback to summary
pack-priv static DSAParameters toDSAParameters(DSAParams spec)