Package com.soffid.iam.crypt

Class PKCS5S2ParametersGenerator

java.lang.Object
org.bouncycastle.crypto.PBEParametersGenerator
com.soffid.iam.crypt.PKCS5S2ParametersGenerator
public class PKCS5S2ParametersGenerator extends org.bouncycastle.crypto.PBEParametersGenerator
Generator for PBE derived keys and ivs as defined by PKCS 5 V2.0 Scheme 2. This generator uses a SHA-1 HMac as the calculation function.

The document this implementation is based on can be found at RSA's PKCS5 Page

  • Field Summary

    Fields inherited from class org.bouncycastle.crypto.PBEParametersGenerator

    iterationCount, password, salt

  • Constructor Summary

    Constructors
    Constructor
    Description
    PKCS5S2ParametersGenerator()
    construct a PKCS5 Scheme 2 Parameters generator.
    PKCS5S2ParametersGenerator(org.bouncycastle.crypto.Digest digest)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    org.bouncycastle.crypto.CipherParameters
    generateDerivedMacParameters(int keySize)
    Generate a key parameter for use with a MAC derived from the password, salt, and iteration count we are currently initialised with.
    org.bouncycastle.crypto.CipherParameters
    generateDerivedParameters(int keySize)
    Generate a key parameter derived from the password, salt, and iteration count we are currently initialised with.
    org.bouncycastle.crypto.CipherParameters
    generateDerivedParameters(int keySize, int ivSize)
    Generate a key with initialisation vector parameter derived from the password, salt, and iteration count we are currently initialised with.

    Methods inherited from class org.bouncycastle.crypto.PBEParametersGenerator

    getIterationCount, getPassword, getSalt, init, PKCS12PasswordToBytes, PKCS5PasswordToBytes

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • PKCS5S2ParametersGenerator

      public PKCS5S2ParametersGenerator()
      construct a PKCS5 Scheme 2 Parameters generator.

    • PKCS5S2ParametersGenerator

      public PKCS5S2ParametersGenerator(org.bouncycastle.crypto.Digest digest)

  • Method Details

    • generateDerivedParameters

      public org.bouncycastle.crypto.CipherParameters generateDerivedParameters(int keySize)
      Generate a key parameter derived from the password, salt, and iteration count we are currently initialised with.
      Specified by:
      generateDerivedParameters in class org.bouncycastle.crypto.PBEParametersGenerator
      Parameters:
      keySize - the size of the key we want (in bits)
      Returns:
      a KeyParameter object.

    • generateDerivedParameters

      public org.bouncycastle.crypto.CipherParameters generateDerivedParameters(int keySize, int ivSize)
      Generate a key with initialisation vector parameter derived from the password, salt, and iteration count we are currently initialised with.
      Specified by:
      generateDerivedParameters in class org.bouncycastle.crypto.PBEParametersGenerator
      Parameters:
      keySize - the size of the key we want (in bits)
      ivSize - the size of the iv we want (in bits)
      Returns:
      a ParametersWithIV object.

    • generateDerivedMacParameters

      public org.bouncycastle.crypto.CipherParameters generateDerivedMacParameters(int keySize)
      Generate a key parameter for use with a MAC derived from the password, salt, and iteration count we are currently initialised with.
      Specified by:
      generateDerivedMacParameters in class org.bouncycastle.crypto.PBEParametersGenerator
      Parameters:
      keySize - the size of the key we want (in bits)
      Returns:
      a KeyParameter object.