org.cryptacular.generator

Class KeyPairGenerator

java.lang.Object

org.cryptacular.generator.KeyPairGenerator

public final class KeyPairGenerator
extends Object

Static factory that generates various types of asymmetric key pairs.

Author:

Middleware Services

Method Summary

Modifier and Type	Method and Description
static KeyPair	generateDSA(SecureRandom random, int bitLength) Generates a DSA key pair.
static KeyPair	generateEC(SecureRandom random, int bitLength) Generates a EC key pair.
static KeyPair	generateEC(SecureRandom random, String namedCurve) Generates a EC key pair.
static KeyPair	generateRSA(SecureRandom random, int bitLength) Generates a RSA key pair.

Methods inherited from class java.lang.Object

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

Method Detail

generateDSA

public static KeyPair generateDSA(SecureRandom random,
                                  int bitLength)

Generates a DSA key pair.

Parameters:

random - Random source required for key generation.

bitLength - Desired key size in bits.

Returns:

DSA key pair of desired size.

generateRSA

public static KeyPair generateRSA(SecureRandom random,
                                  int bitLength)

Generates a RSA key pair.

Parameters:

random - Random source required for key generation.

bitLength - Desired key size in bits.

Returns:

RSA key pair of desired size.

generateEC

public static KeyPair generateEC(SecureRandom random,
                                 int bitLength)

Generates a EC key pair.

Parameters:

random - Random source required for key generation.

bitLength - Desired key size in bits.

Returns:

EC key pair of desired size.

generateEC

public static KeyPair generateEC(SecureRandom random,
                                 String namedCurve)

Generates a EC key pair.

Parameters:

random - Random source required for key generation.

namedCurve - Well-known elliptic curve name that includes domain parameters including key size.

Returns:

EC key pair according to named curve.