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 an EC key pair.
static KeyPair	generateEC(SecureRandom random, String namedCurve) Generates an EC key pair.
static KeyPair	generateRSA(SecureRandom random, int bitLength) Generates an 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 an 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 an 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 an 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.