PBES2EncryptionScheme

java.lang.Object

org.cryptacular.pbe.AbstractEncryptionScheme

org.cryptacular.pbe.PBES2EncryptionScheme

All Implemented Interfaces:: EncryptionScheme

public class PBES2EncryptionScheme extends AbstractEncryptionScheme

Implements the PBES2 encryption scheme defined in PKCS#5v2.

Version:: $Revision: 2744 $

Field Summary

Fields

Modifier and Type

Field

Description

private static final Map<org.bouncycastle.asn1.ASN1ObjectIdentifier,DigestSpec>

HMAC_ID_TO_DIGEST_SPEC_MAP

Map of HMAC algorithm identifiers to digest specifications.

private int

keyLength

Size of derived key in bits.
Constructor Summary

Constructors

Constructor

Description

PBES2EncryptionScheme(org.bouncycastle.asn1.pkcs.PBES2Parameters params, char[] password)

Creates a new instance with the given parameters.
Method Summary

Modifier and Type

Method

Description

private void

initCipher(org.bouncycastle.crypto.generators.PKCS5S2ParametersGenerator generator, org.bouncycastle.asn1.pkcs.EncryptionScheme scheme)

Initializes the block cipher and sets up its initialization parameters.

Methods inherited from class org.cryptacular.pbe.AbstractEncryptionScheme
decrypt, decrypt, encrypt, encrypt, setCipher, setCipherParameters, wrap

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- HMAC_ID_TO_DIGEST_SPEC_MAP
  
  private static final Map<org.bouncycastle.asn1.ASN1ObjectIdentifier,DigestSpec> HMAC_ID_TO_DIGEST_SPEC_MAP
  
  Map of HMAC algorithm identifiers to digest specifications.
- keyLength
  
  private int keyLength
  
  Size of derived key in bits.
Constructor Details
- PBES2EncryptionScheme
  
  public PBES2EncryptionScheme(org.bouncycastle.asn1.pkcs.PBES2Parameters params, char[] password)
  
  Creates a new instance with the given parameters.
  
  Parameters:
  
  params - PBES2 parameters describing the key derivation function and encryption scheme.
  
  password - Password used to derive key.
Method Details
- initCipher
  
  private void initCipher(org.bouncycastle.crypto.generators.PKCS5S2ParametersGenerator generator, org.bouncycastle.asn1.pkcs.EncryptionScheme scheme)
  
  Initializes the block cipher and sets up its initialization parameters.
  
  Parameters:
  
  generator - Derived key generator.
  
  scheme - PKCS#5 encryption scheme.