CodecType.java

/*
 * GovWay - A customizable API Gateway 
 * https://govway.org
 * 
 * Copyright (c) 2005-2025 Link.it srl (https://link.it). 
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3, as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package org.openspcoop2.utils.crypt;

/**
 * CryptType
 *
 * @author Poli Andrea (apoli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */
public enum CodecType {

    /* 
     * https://commons.apache.org/proper/commons-codec/archives/1.13/apidocs/src-html/org/apache/commons/codec/digest/Md5Crypt.html
     * The libc crypt() "$1$" and Apache "$apr1$" MD5-based hash algorithm.
    */
    LIBC_CRYPT_MD5("$1$"),
    LIBC_CRYPT_MD5_APACHE("$apr1$"),
    
    /* 
     * https://commons.apache.org/proper/commons-codec/archives/1.13/apidocs/src-html/org/apache/commons/codec/digest/Sha2Crypt.html
     * SHA2-based Unix crypt implementation in SHA-256 e SHA-512 variant. 
     */
    SHA2_BASED_UNIX_CRYPT_SHA256("$5$"),
    SHA2_BASED_UNIX_CRYPT_SHA512("$6$"),
    
    /*
     * https://commons.apache.org/proper/commons-codec/archives/1.13/apidocs/src-html/org/apache/commons/codec/digest/UnixCrypt.html
     * Unix crypt(3) algorithm implementation
     */
    DES_UNIX_CRYPT("");
    
    CodecType(String prefix){
        this.prefix = prefix;
    }
    
    private String prefix;

    public String getPrefix() {
        return this.prefix;
    }
    
    public CryptType toCryptType() {
        switch (this) {
        case LIBC_CRYPT_MD5:
            return CryptType.LIBC_CRYPT_MD5;
        case LIBC_CRYPT_MD5_APACHE:
            return CryptType.LIBC_CRYPT_MD5_APACHE;
        case SHA2_BASED_UNIX_CRYPT_SHA256:
            return CryptType.SHA2_BASED_UNIX_CRYPT_SHA256;
        case SHA2_BASED_UNIX_CRYPT_SHA512:
            return CryptType.SHA2_BASED_UNIX_CRYPT_SHA512;
        case DES_UNIX_CRYPT:
            return CryptType.DES_UNIX_CRYPT;
        default:
            return null;
        }
    }
    
}