anon.crypto

Class AsymmetricCryptoKeyPair

java.lang.Object

anon.crypto.AsymmetricCryptoKeyPair

Direct Known Subclasses:

DSAKeyPair, ECKeyPair, RSAKeyPair

public class AsymmetricCryptoKeyPair
extends java.lang.Object

A key pair used for signing and encryption with an asymmetric cryptographic algorithm.

Author:

Rolf Wendolsky

Field Summary

Fields

Modifier and Type	Field and Description
static int	KEY_LENGTH_1024
static int	KEY_LENGTH_512

Constructor Summary

Constructors

Constructor and Description
AsymmetricCryptoKeyPair(IMyPrivateKey a_privateKey) Creates a new key pair from a private key.
AsymmetricCryptoKeyPair(mybouncycastle.org.bouncycastle.asn1.pkcs.PrivateKeyInfo a_keyInfo) Creates a new key pair from a PrivateKeyInfo.

Method Summary

Modifier and Type	Method and Description
static IMyPublicKey	createPublicKey(mybouncycastle.org.bouncycastle.asn1.x509.SubjectPublicKeyInfo a_keyInfo) Creates a new public key from a SubjectPublicKeyInfo.
IMyPrivateKey	getPrivate() Returns the private key.
IMyPublicKey	getPublic() Returns the public key.

Methods inherited from class java.lang.Object

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

Field Detail

KEY_LENGTH_512

public static final int KEY_LENGTH_512

See Also:

Constant Field Values

KEY_LENGTH_1024

public static final int KEY_LENGTH_1024

See Also:

Constant Field Values

Constructor Detail

AsymmetricCryptoKeyPair

public AsymmetricCryptoKeyPair(IMyPrivateKey a_privateKey)

Creates a new key pair from a private key.

Parameters:

a_privateKey - a private key

AsymmetricCryptoKeyPair

public AsymmetricCryptoKeyPair(mybouncycastle.org.bouncycastle.asn1.pkcs.PrivateKeyInfo a_keyInfo)
                        throws java.security.InvalidKeyException

Creates a new key pair from a PrivateKeyInfo. It does this by creating a new instance of all available private key classes with the PrivateKeyInfo as constructor argument. Therefore, all private key classes that should be able to be loaded dynamically must implement a constructor that has only one argument - a PrivateKeyInfo.

Parameters:

a_keyInfo - a PrivateKeyInfo object

Throws:

java.security.InvalidKeyException - if no private key could be created from this key info

See Also:

IMyPrivateKey, ClassUtil.loadClasses()

Method Detail

createPublicKey

public static final IMyPublicKey createPublicKey(mybouncycastle.org.bouncycastle.asn1.x509.SubjectPublicKeyInfo a_keyInfo)
                                          throws java.security.InvalidKeyException

Creates a new public key from a SubjectPublicKeyInfo. It does this by creating a new instance of all available public key classes with the SubjectPublicKeyInfo as constructor argument. Therefore, all public key classes that should be able to be loaded dynamically must implement a constructor that has only one argument - a SubjectPublicKeyInfo.

Parameters:

a_keyInfo - a SubjectPublicKeyInfo describing a public key

Returns:

the corresponding public key to this key info

Throws:

java.security.InvalidKeyException - if no public key could be created from this key info

See Also:

ClassUtil.loadClasses(), IMyPublicKey

getPrivate

public final IMyPrivateKey getPrivate()

Returns the private key.

Returns:

the private key

getPublic

public final IMyPublicKey getPublic()

Returns the public key.

Returns:

the public key