net.sf.mmm.crypto.asymmetric.access.rsa

Class Rsa

java.lang.Object

net.sf.mmm.crypto.CryptoAccess

net.sf.mmm.crypto.asymmetric.access.AsymmetricAccess<SignatureRsa,RSAPrivateKey,RSAPublicKey,AsymmetricKeyPairRsa,AsymmetricKeyCreatorRsa>

net.sf.mmm.crypto.asymmetric.access.rsa.Rsa

All Implemented Interfaces:

AbstractCryptoFactory, AsymmetricCryptorFactory<RSAPrivateKey,RSAPublicKey>, AsymmetricKeyCreatorFactory<AsymmetricKeyCreatorRsa>, SignatureFactory<SignatureRsa>, SignatureProcessorFactory<SignatureRsa,RSAPrivateKey,RSAPublicKey>, CryptorFactory, HashFactory, KeyCreatorFactory

public final class Rsa
extends AsymmetricAccess<SignatureRsa,RSAPrivateKey,RSAPublicKey,AsymmetricKeyPairRsa,AsymmetricKeyCreatorRsa>

Direct builder for RSA (Ron Rivest, Adi Shamir and Leonard Adleman) used by PGP/GPG and many others. For details see PKCS #1.

Since:

1.0.0

Author:

Joerg Hohwiller (hohwille at users.sourceforge.net)

Field Summary

Fields

Modifier and Type	Field and Description
private int	keyLength
private SecurityProvider	provider

Fields inherited from class net.sf.mmm.crypto.asymmetric.access.AsymmetricAccess

cryptorConfig, randomFactory

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Rsa(SignatureConfigRsa signatureConfig, AsymmetricCryptorConfig<RSAPrivateKey,RSAPublicKey> cryptorConfig, RandomFactory randomFactory, int keyLength, SecurityProvider provider) The constructor.

Method Summary

Modifier and Type	Method and Description
AsymmetricKeyCreatorRsa	newKeyCreator()
static Rsa	of(int keyLength, HashConfig hashConfig)
static Rsa	of(int keyLength, HashConfig hashConfig, RandomFactory randomFactory)
static Rsa	of(int keyLength, HashConfig hashConfig, String hashAlgorithm, RandomFactory randomFactory, SecurityProvider provider)
static Rsa	of(int keyLength, String hashAlgorithm)
static Rsa	of4096(HashConfig hashConfig)
static Rsa	of4096(String hashAlgorithm)

Methods inherited from class net.sf.mmm.crypto.asymmetric.access.AsymmetricAccess

createSignature, getCryptorConfig, getSignatureConfig, getSignatureFactoryWithoutHash, newDecryptor, newDecryptorUnsafe, newEncryptor, newEncryptorUnsafe, newHashCreator, newSigner, newVerifier

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sf.mmm.crypto.asymmetric.sign.SignatureProcessorFactory

newSignerUnsafe, newVerifierUnsafe

Field Detail

provider

private final SecurityProvider provider

keyLength

private final int keyLength

Constructor Detail

Rsa

private Rsa(SignatureConfigRsa signatureConfig,
            AsymmetricCryptorConfig<RSAPrivateKey,RSAPublicKey> cryptorConfig,
            RandomFactory randomFactory,
            int keyLength,
            SecurityProvider provider)

The constructor.

Parameters:

signatureConfig - the SignatureConfigRsa.

cryptorConfig - the AsymmetricCryptorConfig.

randomFactory - the optional RandomFactory.

keyLength - the key length.

provider - the optional SecurityProvider.

Method Detail

newKeyCreator

public AsymmetricKeyCreatorRsa newKeyCreator()

Returns:

a new instance of KeyCreator. May be reused but is not guaranteed to be thread-safe.

of4096

public static Rsa of4096(String hashAlgorithm)

Parameters:

hashAlgorithm - the algorithm for the hash used for signatures.

Returns:

a Rsa instance with a key length of 4096 bits.

of4096

public static Rsa of4096(HashConfig hashConfig)

Parameters:

hashConfig - the HashConfig for hashing data for signatures.

Returns:

a Rsa instance with a key length of 4096 bits.

of

public static Rsa of(int keyLength,
                     String hashAlgorithm)

Parameters:

keyLength - the key length in bits.

hashAlgorithm - the algorithm for the hash used for signatures.

Returns:

the according Rsa instance.

of

public static Rsa of(int keyLength,
                     HashConfig hashConfig)

Parameters:

keyLength - the key length in bits.

hashConfig - the HashConfig for hashing data for signatures.

Returns:

the according Rsa instance.

of

public static Rsa of(int keyLength,
                     HashConfig hashConfig,
                     RandomFactory randomFactory)

Parameters:

keyLength - the key length in bits.

hashConfig - the HashConfig for hashing data for signatures.

randomFactory - the RandomFactory.

Returns:

the according Rsa instance.

of

public static Rsa of(int keyLength,
                     HashConfig hashConfig,
                     String hashAlgorithm,
                     RandomFactory randomFactory,
                     SecurityProvider provider)

Parameters:

keyLength - the key length in bits.

hashConfig - the HashConfig for hashing data for signatures.

hashAlgorithm - the hash algorithm for the signature (e.g. for HMac).

randomFactory - the RandomFactory.

provider - the SecurityProvider to use.

Returns:

the according Rsa instance.