de.flexiprovider.core.rsa
Class RSAPublicKey

java.lang.Object
  |
  +--de.flexiprovider.api.keys.PublicKey
        |
        +--de.flexiprovider.core.rsa.interfaces.RSAPublicKey
              |
              +--de.flexiprovider.core.rsa.RSAPublicKey

All Implemented Interfaces:

Key, java.security.Key, java.security.PublicKey, RSAKey, java.security.interfaces.RSAKey, java.security.interfaces.RSAPublicKey, java.io.Serializable

public final class RSAPublicKey

extends RSAPublicKey

This class implements the RSAPublicKey interface. It represents a RSA public key and is usually instantiated from RSAKeyPairGenerator.

Author:

Thomas Wahrenbruch, Ralf-Philipp Weinmann

See Also:

RSAKeyPairGenerator, Serialized Form

Fields inherited from interface java.security.PublicKey

serialVersionUID

Constructor Summary

RSAPublicKey(FlexiBigInt n, FlexiBigInt e)
Generates a new RSA public key.

RSAPublicKey(RSAPublicKeySpec keySpec)
Construct an RSAPubKey out of the given key specification.

Method Summary

boolean	equals(java.lang.Object other) Compare this key with another object.
protected codec.asn1.ASN1Type	getAlgParams()
FlexiBigInt	getE()
protected byte[]	getKeyData()
FlexiBigInt	getN()
protected codec.asn1.ASN1ObjectIdentifier	getOID()
int	hashCode()
java.lang.String	toString()

Methods inherited from class de.flexiprovider.core.rsa.interfaces.RSAPublicKey

getAlgorithm, getModulus, getPublicExponent

Methods inherited from class de.flexiprovider.api.keys.PublicKey

getEncoded, getFormat

Methods inherited from class java.lang.Object

, clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.security.Key

getEncoded, getFormat

Constructor Detail

RSAPublicKey

public RSAPublicKey(FlexiBigInt n,
                    FlexiBigInt e)

Generates a new RSA public key.

Parameters:

n - the modulus n = p*q;

e - the public exponent e.

See Also:

RSAKeyPairGenerator

RSAPublicKey

public RSAPublicKey(RSAPublicKeySpec keySpec)

Construct an RSAPubKey out of the given key specification.

Parameters:

keySpec - the key specification

Method Detail

getN

public FlexiBigInt getN()

Returns:

the modulus n

getE

public FlexiBigInt getE()

Overrides:

getE in class RSAPublicKey

Returns:

the public exponent e

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

Returns:

a human readable form of the key

equals

public boolean equals(java.lang.Object other)

Compare this key with another object.

Overrides:

equals in class java.lang.Object

Parameters:

other - the other object

Returns:

the result of the comparison

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

getOID

protected codec.asn1.ASN1ObjectIdentifier getOID()

Overrides:

getOID in class PublicKey

Returns:

the OID to encode in the SubjectPublicKeyInfo structure

getAlgParams

protected codec.asn1.ASN1Type getAlgParams()

Overrides:

getAlgParams in class PublicKey

Returns:

the algorithm parameters to encode in the SubjectPublicKeyInfo structure

getKeyData

protected byte[] getKeyData()

Overrides:

getKeyData in class PublicKey

Returns:

the keyData to encode in the SubjectPublicKeyInfo structure