minwin-gcc-5-2/libjava/classpath/java/security/spec/PSSParameterSpec.java

/* PSSParameterSpec.java --
   Copyright (C) 2003, Free Software Foundation, Inc.

This file is part of GNU Classpath.

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package java.security.spec;

/**
 * An implementation of {@link AlgorithmParameterSpec} for the RSA PSS encoding
 * scheme.
 *
 * @since 1.4
 * @see AlgorithmParameterSpec
 * @see java.security.Signature
 */
public class PSSParameterSpec implements AlgorithmParameterSpec
{
  // Constants and fields
  // --------------------------------------------------------------------------

  private int saltLen;

  // Constructor(s)
  // --------------------------------------------------------------------------

  /**
   * Construct a new instance of <code>PSSParameterSpec</code> given a salt
   * length.
   *
   * @param saltLen
   *          the length in bits of the salt.
   * @throws IllegalArgumentException
   *           if <code>saltLen</code> is less than <code>0</code>.
   */
  public PSSParameterSpec(int saltLen)
  {
    super();

    if (saltLen < 0)
      throw new IllegalArgumentException();
    this.saltLen = saltLen;
  }

  // Class methods
  // --------------------------------------------------------------------------

  // Instance methods
  // --------------------------------------------------------------------------

  /** @return the length (in bits) of the salt. */
  public int getSaltLength()
  {
    return this.saltLen;
  }
}