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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.
package org.bouncycastle.jcajce;
import org.bouncycastle.crypto.CharToByteConverter;
/**
* A password based key for use with PBKDF1 as defined in PKCS#5.
*/
public class PBKDF1Key
implements PBKDFKey
{
private final char[] password;
private final CharToByteConverter converter;
/**
* Basic constructor for a password based key with generation parameters for PBKDF1.
*
* @param password password to use.
* @param converter the converter to use to turn the char array into octets.
*/
public PBKDF1Key(char[] password, CharToByteConverter converter)
{
this.password = new char[password.length];
this.converter = converter;
System.arraycopy(password, 0, this.password, 0, password.length);
}
/**
* Return a reference to the char[] array holding the password.
*
* @return a reference to the password array.
*/
public char[] getPassword()
{
return password;
}
/**
* Return the password based key derivation function this key is for,
*
* @return the string "PBKDF1"
*/
public String getAlgorithm()
{
return "PBKDF1";
}
/**
* Return the format encoding.
*
* @return the type name representing a char[] to byte[] conversion.
*/
public String getFormat()
{
return converter.getType();
}
/**
* Return the password converted to bytes.
*
* @return the password converted to a byte array.
*/
public byte[] getEncoded()
{
return converter.convert(password);
}
}