com.ibm.crypto.fips.provider

Class RSAPublicKey

java.lang.Object

com.ibm.security.x509.X509Key

com.ibm.crypto.fips.provider.RSAPublicKey

All Implemented Interfaces:

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

public final class RSAPublicKey
extends com.ibm.security.x509.X509Key
implements java.security.interfaces.RSAPublicKey, java.io.Serializable

An X.509 public key for the RSA Algorithm.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.ibm.security.x509.X509Key

algid, encodedKey, key

Constructor Summary

Constructors

Constructor and Description
RSAPublicKey(java.math.BigInteger m, java.math.BigInteger p) Make a RSA public key.
RSAPublicKey(byte[] encoded) Make a RSA public key from its DER encoding (X.509).

Method Summary

Methods

Modifier and Type	Method and Description
protected void	finalize() This function zeroizes the key so that it isn't in memory when GC is done.
java.math.BigInteger	getModulus() Return the modulus.
java.math.BigInteger	getPublicExponent() Return the public exponent.
protected void	parseKeyBits()
java.lang.String	toString()
void	zeroize() This function zeroizes the key so that it isn't in memory.

Methods inherited from class com.ibm.security.x509.X509Key

decode, decode, encode, encode, equals, getAlgorithm, getAlgorithmId, getEncoded, getFormat, getKey, hashCode, parse, parse, read, readBASE64, setKey, write, writeBASE64

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.security.Key

getAlgorithm, getEncoded, getFormat

Constructor Detail

RSAPublicKey

public RSAPublicKey(java.math.BigInteger m,
            java.math.BigInteger p)
             throws java.security.InvalidKeyException

Make a RSA public key.

Throws:

java.security.InvalidKeyException

RSAPublicKey

public RSAPublicKey(byte[] encoded)
             throws java.security.InvalidKeyException

Make a RSA public key from its DER encoding (X.509).

Throws:

java.security.InvalidKeyException

Method Detail

getModulus

public java.math.BigInteger getModulus()

Return the modulus.

Specified by:

getModulus in interface java.security.interfaces.RSAKey

getPublicExponent

public java.math.BigInteger getPublicExponent()

Return the public exponent.

Specified by:

getPublicExponent in interface java.security.interfaces.RSAPublicKey

toString

public java.lang.String toString()

Overrides:

toString in class com.ibm.security.x509.X509Key

parseKeyBits

protected void parseKeyBits()
                     throws java.security.InvalidKeyException

Overrides:

parseKeyBits in class com.ibm.security.x509.X509Key

Throws:

java.security.InvalidKeyException

zeroize

public void zeroize()

This function zeroizes the key so that it isn't in memory.

finalize

protected void finalize()

This function zeroizes the key so that it isn't in memory when GC is done.

Overrides:

finalize in class java.lang.Object