Class 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

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.

Methods

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

Constructors

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

Methods

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

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https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/security/spec/RSAPublicKeySpec.html