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org.bouncycastle.crypto.general

pack-priv abstract Class GuardedAsymmetricOperatorFactory<T extends Parameters>

extends Object
implements AsymmetricOperatorFactory<T extends Parameters>
Class Inheritance
All Implemented Interfaces
org.bouncycastle.crypto.AsymmetricOperatorFactory
Known Direct Subclasses
org.bouncycastle.crypto.general.RSA.OperatorFactory, org.bouncycastle.crypto.general.ElGamal.OperatorFactory
Imports
java.security.SecureRandom, org.bouncycastle.crypto.AsymmetricKey, .AsymmetricOperatorFactory, .CryptoServicesRegistrar, .Parameters, .PlainInputProcessingException, .SingleBlockEncryptorUsingSecureRandom, org.bouncycastle.crypto.fips.FipsStatus, .FipsUnapprovedOperationError, org.bouncycastle.crypto.internal.AsymmetricBlockCipher, org.bouncycastle.crypto.internal.encodings.OAEPEncoding, .PKCS1Encoding

Nested and Inner Type Summary

Modifier and TypeClass and Description
private class
GuardedAsymmetricOperatorFactory.BlockEncryptor

Constructor Summary

AccessConstructor and Description
pack-priv
GuardedAsymmetricOperatorFactory()

Method Summary

Modifier and TypeMethod and Description
public SingleBlockEncryptorUsingSecureRandom<T>
createBlockEncryptor(final AsymmetricKey
the key to be used in the encryptor.
key, final T
the parameter set for the encryptor.
parameters)

Implements org.bouncycastle.crypto.AsymmetricOperatorFactory.createBlockEncryptor.

Create a block encryptor for the passed in key and parameter set.
protected abstract AsymmetricBlockCipher
createCipher(boolean forEncryption, AsymmetricKey key, T parameters, SecureRandom random)

protected static boolean
isRawEngine(AsymmetricBlockCipher engine)

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Constructor Detail

GuardedAsymmetricOperatorFactoryback to summary
pack-priv GuardedAsymmetricOperatorFactory()

Method Detail

createBlockEncryptorback to summary
public SingleBlockEncryptorUsingSecureRandom<T> createBlockEncryptor(final AsymmetricKey key, final T parameters)

Implements org.bouncycastle.crypto.AsymmetricOperatorFactory.createBlockEncryptor.

Doc from org.bouncycastle.crypto.AsymmetricOperatorFactory.createBlockEncryptor.

Create a block encryptor for the passed in key and parameter set.

Parameters
key:AsymmetricKey

the key to be used in the encryptor.

parameters:T

the parameter set for the encryptor.

Returns:SingleBlockEncryptorUsingSecureRandom<T>

an initialised block encryptor for the passed in arguments.

createCipherback to summary
protected abstract AsymmetricBlockCipher createCipher(boolean forEncryption, AsymmetricKey key, T parameters, SecureRandom random)
isRawEngineback to summary
protected static boolean isRawEngine(AsymmetricBlockCipher engine)
org.bouncycastle.crypto.general back to summary

private Class GuardedAsymmetricOperatorFactory.BlockEncryptor

extends Object
implements SingleBlockEncryptorUsingSecureRandom<T extends Parameters>
Class Inheritance
  • java.lang.Object
  • org.bouncycastle.crypto.general.GuardedAsymmetricOperatorFactory.BlockEncryptor
All Implemented Interfaces
org.bouncycastle.crypto.SingleBlockEncryptorUsingSecureRandom, org.bouncycastle.crypto.OperatorUsingSecureRandom, org.bouncycastle.crypto.SingleBlockEncryptor, org.bouncycastle.crypto.SingleBlockCipher

Field Summary

Modifier and TypeField and Description
private AsymmetricBlockCipher
engine

private final AsymmetricKey
key

private final T
parameters

private final SecureRandom
random

Constructor Summary

AccessConstructor and Description
pack-priv
BlockEncryptor(AsymmetricKey key, T parameters, SecureRandom random)

Method Summary

Modifier and TypeMethod and Description
public byte[]
encryptBlock(byte[]
array holding the data to be encrypted.
bytes, int
offset into bytes where the data starts.
offSet, int
the number of bytes of data in the bytes array.
length)

Implements org.bouncycastle.crypto.SingleBlockEncryptor.encryptBlock.

Encrypt a single block of data, returning the result.
private AsymmetricBlockCipher
getEngine()

public int
getInputSize()

Implements org.bouncycastle.crypto.SingleBlockCipher.getInputSize.

Return the maximum size of input this cipher can consume.
public int
getOutputSize()

Implements org.bouncycastle.crypto.SingleBlockCipher.getOutputSize.

Return the size of the output this cipher will produce.
public T
getParameters()

Implements org.bouncycastle.crypto.SingleBlockCipher.getParameters.

Return the parameters for this single block cipher.
public SingleBlockEncryptorUsingSecureRandom<T>
withSecureRandom(SecureRandom
the SecureRandom to use.
random)

Implements org.bouncycastle.crypto.SingleBlockEncryptorUsingSecureRandom.withSecureRandom.

Return a variant of this encryptor using the passed in random as its source of randomness.
Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

engineback to summary
private AsymmetricBlockCipher engine
keyback to summary
private final AsymmetricKey key
parametersback to summary
private final T parameters
randomback to summary
private final SecureRandom random

Constructor Detail

BlockEncryptorback to summary
pack-priv BlockEncryptor(AsymmetricKey key, T parameters, SecureRandom random)

Method Detail

encryptBlockback to summary
public byte[] encryptBlock(byte[] bytes, int offSet, int length) throws PlainInputProcessingException

Implements org.bouncycastle.crypto.SingleBlockEncryptor.encryptBlock.

Doc from org.bouncycastle.crypto.SingleBlockEncryptor.encryptBlock.

Encrypt a single block of data, returning the result.

Parameters
bytes:byte[]

array holding the data to be encrypted.

offSet:int

offset into bytes where the data starts.

length:int

the number of bytes of data in the bytes array.

Returns:byte[]

a byte array holding the encrypted result.

Exceptions
PlainInputProcessingException:
if there is an issue processing the input provided.
getEngineback to summary
private AsymmetricBlockCipher getEngine()
getInputSizeback to summary
public int getInputSize()

Implements org.bouncycastle.crypto.SingleBlockCipher.getInputSize.

Doc from org.bouncycastle.crypto.SingleBlockCipher.getInputSize.

Return the maximum size of input this cipher can consume.

Returns:int

maximum size of input in bytes.

getOutputSizeback to summary
public int getOutputSize()

Implements org.bouncycastle.crypto.SingleBlockCipher.getOutputSize.

Doc from org.bouncycastle.crypto.SingleBlockCipher.getOutputSize.

Return the size of the output this cipher will produce.

Returns:int

size of the output block produced in bytes.

getParametersback to summary
public T getParameters()

Implements org.bouncycastle.crypto.SingleBlockCipher.getParameters.

Doc from org.bouncycastle.crypto.SingleBlockCipher.getParameters.

Return the parameters for this single block cipher.

Returns:T

the cipher's parameters.

withSecureRandomback to summary
public SingleBlockEncryptorUsingSecureRandom<T> withSecureRandom(SecureRandom random)

Implements org.bouncycastle.crypto.SingleBlockEncryptorUsingSecureRandom.withSecureRandom.

Doc from org.bouncycastle.crypto.SingleBlockEncryptorUsingSecureRandom.withSecureRandom.

Return a variant of this encryptor using the passed in random as its source of randomness.

Parameters
random:SecureRandom

the SecureRandom to use.

Returns:SingleBlockEncryptorUsingSecureRandom<T>

a new encryptor which will use random where random data is required.