Bouncy Castle Cryptography Library 1.80 · org.bouncycastle.crypto.generators.PKCS5S1ParametersGenerator

Modifier and Type	Field and Description
private Digest	digest

Access	Constructor and Description
public	PKCS5S1ParametersGenerator(Digest the digest to be used as the source of derived keys. digest) Construct a PKCS 5 Scheme 1 Parameters generator.

Method Summary

Modifier and Type	Method and Description
private byte[]	generateDerivedKey() the derived key function, the ith hash of the password and the salt.
public CipherParameters	Returns: a KeyParameter object. generateDerivedMacParameters(int the size of the key we want (in bits) keySize) Implements abstract org.bouncycastle.crypto.PBEParametersGenerator.generateDerivedMacParameters. Generate a key parameter for use with a MAC derived from the password, salt, and iteration count we are currently initialised with.
public CipherParameters	Returns: a KeyParameter object. generateDerivedParameters(int the size of the key we want (in bits) keySize) Implements abstract org.bouncycastle.crypto.PBEParametersGenerator.generateDerivedParameters. Generate a key parameter derived from the password, salt, and iteration count we are currently initialised with.
public CipherParameters	Returns: a ParametersWithIV object. generateDerivedParameters(int the size of the key we want (in bits) keySize, int the size of the iv we want (in bits) ivSize) Implements abstract org.bouncycastle.crypto.PBEParametersGenerator.generateDerivedParameters. Generate a key with initialisation vector parameter derived from the password, salt, and iteration count we are currently initialised with.

Inherited from org.bouncycastle.crypto.PBEParametersGenerator:: getIterationCount getPassword getSalt init PKCS12PasswordToBytes PKCS5PasswordToBytes PKCS5PasswordToUTF8Bytes

digest	back to summary
private Digest digest

PKCS5S1ParametersGenerator	back to summary
public PKCS5S1ParametersGenerator(Digest digest) Construct a PKCS 5 Scheme 1 Parameters generator. Parameters digest:Digest the digest to be used as the source of derived keys.

Method Detail

generateDerivedKey	back to summary
private byte[] generateDerivedKey() the derived key function, the ith hash of the password and the salt.

generateDerivedMacParameters	back to summary
public CipherParameters generateDerivedMacParameters(int keySize) Implements abstract org.bouncycastle.crypto.PBEParametersGenerator.generateDerivedMacParameters. Generate a key parameter for use with a MAC derived from the password, salt, and iteration count we are currently initialised with. Parameters keySize:int the size of the key we want (in bits) Returns:CipherParameters a KeyParameter object. Exceptions IllegalArgumentException: if the key length larger than the base hash size.

generateDerivedMacParameters

back to summary

public CipherParameters generateDerivedMacParameters(int keySize)

Implements abstract org.bouncycastle.crypto.PBEParametersGenerator.generateDerivedMacParameters.

Generate a key parameter for use with a MAC derived from the password, salt, and iteration count we are currently initialised with.

Parameters

keySize:int: the size of the key we want (in bits)

Returns:CipherParameters

a KeyParameter object.

Exceptions

IllegalArgumentException:: if the key length larger than the base hash size.

generateDerivedParameters	back to summary
public CipherParameters generateDerivedParameters(int keySize) Implements abstract org.bouncycastle.crypto.PBEParametersGenerator.generateDerivedParameters. Generate a key parameter derived from the password, salt, and iteration count we are currently initialised with. Parameters keySize:int the size of the key we want (in bits) Returns:CipherParameters a KeyParameter object. Exceptions IllegalArgumentException: if the key length larger than the base hash size.

generateDerivedParameters

back to summary

public CipherParameters generateDerivedParameters(int keySize)

Implements abstract org.bouncycastle.crypto.PBEParametersGenerator.generateDerivedParameters.

Generate a key parameter derived from the password, salt, and iteration count we are currently initialised with.

Parameters

keySize:int: the size of the key we want (in bits)

Returns:CipherParameters

a KeyParameter object.

Exceptions

IllegalArgumentException:: if the key length larger than the base hash size.

generateDerivedParameters	back to summary
public CipherParameters generateDerivedParameters(int keySize, int ivSize) Implements abstract org.bouncycastle.crypto.PBEParametersGenerator.generateDerivedParameters. Generate a key with initialisation vector parameter derived from the password, salt, and iteration count we are currently initialised with. Parameters keySize:int the size of the key we want (in bits) ivSize:int the size of the iv we want (in bits) Returns:CipherParameters a ParametersWithIV object. Exceptions IllegalArgumentException: if keySize + ivSize is larger than the base hash size.

generateDerivedParameters

back to summary

public CipherParameters generateDerivedParameters(int keySize, int ivSize)

Implements abstract org.bouncycastle.crypto.PBEParametersGenerator.generateDerivedParameters.

Generate a key with initialisation vector parameter derived from the password, salt, and iteration count we are currently initialised with.

Parameters

keySize:int: the size of the key we want (in bits)
ivSize:int: the size of the iv we want (in bits)

Returns:CipherParameters

a ParametersWithIV object.

Exceptions

IllegalArgumentException:: if keySize + ivSize is larger than the base hash size.

public Class PKCS5S1ParametersGenerator

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail