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The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar
contains APIs for JDK 1.5 and up. The APIs can be used in conjunction with a JCE/JCA provider such as the one
provided with the Bouncy Castle Cryptography APIs.
package org.bouncycastle.jcajce;
import org.bouncycastle.crypto.PBEParametersGenerator;
/**
* A password based key for use with PKCS#12.
*/
public class PKCS12Key
implements PBKDFKey
{
private final char[] password;
private final boolean useWrongZeroLengthConversion;
/**
* Basic constructor for a password based key - secret key generation parameters will be passed separately..
*
* @param password password to use.
*/
public PKCS12Key(char[] password)
{
this(password, false);
}
/**
* Unfortunately there seems to be some confusion about how to handle zero length
* passwords.
*
* @param password password to use.
* @param useWrongZeroLengthConversion use the incorrect encoding approach (add pad bytes)
*/
public PKCS12Key(char[] password, boolean useWrongZeroLengthConversion)
{
if (password == null)
{
password = new char[0];
}
this.password = new char[password.length];
this.useWrongZeroLengthConversion = useWrongZeroLengthConversion;
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 "PKCS12"
*/
public String getAlgorithm()
{
return "PKCS12";
}
/**
* Return the format encoding.
*
* @return the string "PKCS12", representing the char[] to byte[] conversion.
*/
public String getFormat()
{
return "PKCS12";
}
/**
* Return the password converted to bytes.
*
* @return the password converted to a byte array.
*/
public byte[] getEncoded()
{
if (useWrongZeroLengthConversion && password.length == 0)
{
return new byte[2];
}
return PBEParametersGenerator.PKCS12PasswordToBytes(password);
}
}