Module java.base

Package java.security.spec

Class RSAPublicKeySpec

java.lang.Object

java.security.spec.RSAPublicKeySpec

All Implemented Interfaces:

KeySpec

public class RSAPublicKeySpec
extends Object
implements KeySpec

This class specifies an RSA public key.

Since:

1.2

See Also:

• Key
• KeyFactory
• KeySpec
• X509EncodedKeySpec
• RSAPrivateKeySpec
• RSAPrivateCrtKeySpec

Constructor Summary

Constructors

Constructor	Description
RSAPublicKeySpec(BigInteger modulus, BigInteger publicExponent)	Creates a new RSAPublicKeySpec.
RSAPublicKeySpec(BigInteger modulus, BigInteger publicExponent, AlgorithmParameterSpec params)	Creates a new RSAPublicKeySpec with additional key parameters.

Method Summary

Modifier and Type	Method	Description
BigInteger	getModulus()	Returns the modulus.
AlgorithmParameterSpec	getParams()	Returns the parameters associated with this key, may be null if not present.
BigInteger	getPublicExponent()	Returns the public exponent.

Methods declared in class java.lang.Object

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

Constructor Details

RSAPublicKeySpec

public RSAPublicKeySpec(BigInteger modulus,
 BigInteger publicExponent)

Creates a new RSAPublicKeySpec.

Parameters:

modulus - the modulus

publicExponent - the public exponent

RSAPublicKeySpec

public RSAPublicKeySpec(BigInteger modulus,
 BigInteger publicExponent,
 AlgorithmParameterSpec params)

Creates a new RSAPublicKeySpec with additional key parameters.

Parameters:

modulus - the modulus

publicExponent - the public exponent

params - the parameters associated with this key, may be null

Since:

11

Method Details

getModulus

public BigInteger getModulus()

Returns the modulus.

Returns:

the modulus

getPublicExponent

public BigInteger getPublicExponent()

Returns the public exponent.

Returns:

the public exponent

getParams

public AlgorithmParameterSpec getParams()

Returns the parameters associated with this key, may be null if not present.

Returns:

the parameters associated with this key

Since:

11