bcprov/src/main/java/org/bouncycastle/crypto/PasswordConverter.java

package org.bouncycastle.crypto;

/**
 * Standard char[] to byte[] converters for password based derivation algorithms.
 */
public enum PasswordConverter
    implements CharToByteConverter
{
    /**
     * Do a straight char[] to 8 bit conversion.
     */
    ASCII
        {
            public String getType()
            {
                return "ASCII";
            }

            public byte[] convert(char[] password)
            {
                return PBEParametersGenerator.PKCS5PasswordToBytes(password);
            }
        },
    /**
     * Do a char[] conversion by producing UTF-8 data.
     */
    UTF8
        {
            public String getType()
            {
                return "UTF8";
            }

            public byte[] convert(char[] password)
            {
                return PBEParametersGenerator.PKCS5PasswordToUTF8Bytes(password);
            }
        },
    /**
     * Do char[] to BMP conversion (i.e. 2 bytes per character).
     */
    PKCS12
        {
            public String getType()
            {
                return "PKCS12";
            }

            public byte[] convert(char[] password)
            {
                return PBEParametersGenerator.PKCS12PasswordToBytes(password);
            }
        };
}