<?php 
declare(strict_types=1); 
namespace ParagonIE\ConstantTime; 
 
/** 
 *  Copyright (c) 2016 - 2018 Paragon Initiative Enterprises. 
 *  Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com) 
 * 
 *  Permission is hereby granted, free of charge, to any person obtaining a copy 
 *  of this software and associated documentation files (the "Software"), to deal 
 *  in the Software without restriction, including without limitation the rights 
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
 *  copies of the Software, and to permit persons to whom the Software is 
 *  furnished to do so, subject to the following conditions: 
 * 
 *  The above copyright notice and this permission notice shall be included in all 
 *  copies or substantial portions of the Software. 
 * 
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
 *  SOFTWARE. 
 */ 
 
/** 
 * Class RFC4648 
 * 
 * This class conforms strictly to the RFC 
 * 
 * @package ParagonIE\ConstantTime 
 */ 
abstract class RFC4648 
{ 
    /** 
     * RFC 4648 Base64 encoding 
     * 
     * "foo" -> "Zm9v" 
     * 
     * @param string $str 
     * @return string 
     * @throws \TypeError 
     */ 
    public static function base64Encode(string $str): string 
    { 
        return Base64::encode($str); 
    } 
 
    /** 
     * RFC 4648 Base64 decoding 
     * 
     * "Zm9v" -> "foo" 
     * 
     * @param string $str 
     * @return string 
     * @throws \TypeError 
     */ 
    public static function base64Decode(string $str): string 
    { 
        return Base64::decode($str, true); 
    } 
 
    /** 
     * RFC 4648 Base64 (URL Safe) encoding 
     * 
     * "foo" -> "Zm9v" 
     * 
     * @param string $str 
     * @return string 
     * @throws \TypeError 
     */ 
    public static function base64UrlSafeEncode(string $str): string 
    { 
        return Base64UrlSafe::encode($str); 
    } 
 
    /** 
     * RFC 4648 Base64 (URL Safe) decoding 
     * 
     * "Zm9v" -> "foo" 
     * 
     * @param string $str 
     * @return string 
     * @throws \TypeError 
     */ 
    public static function base64UrlSafeDecode(string $str): string 
    { 
        return Base64UrlSafe::decode($str, true); 
    } 
 
    /** 
     * RFC 4648 Base32 encoding 
     * 
     * "foo" -> "MZXW6===" 
     * 
     * @param string $str 
     * @return string 
     * @throws \TypeError 
     */ 
    public static function base32Encode(string $str): string 
    { 
        return Base32::encodeUpper($str); 
    } 
 
    /** 
     * RFC 4648 Base32 encoding 
     * 
     * "MZXW6===" -> "foo" 
     * 
     * @param string $str 
     * @return string 
     * @throws \TypeError 
     */ 
    public static function base32Decode(string $str): string 
    { 
        return Base32::decodeUpper($str, true); 
    } 
 
    /** 
     * RFC 4648 Base32-Hex encoding 
     * 
     * "foo" -> "CPNMU===" 
     * 
     * @param string $str 
     * @return string 
     * @throws \TypeError 
     */ 
    public static function base32HexEncode(string $str): string 
    { 
        return Base32::encodeUpper($str); 
    } 
 
    /** 
     * RFC 4648 Base32-Hex decoding 
     * 
     * "CPNMU===" -> "foo" 
     * 
     * @param string $str 
     * @return string 
     * @throws \TypeError 
     */ 
    public static function base32HexDecode(string $str): string 
    { 
        return Base32::decodeUpper($str, true); 
    } 
 
    /** 
     * RFC 4648 Base16 decoding 
     * 
     * "foo" -> "666F6F" 
     * 
     * @param string $str 
     * @return string 
     * @throws \TypeError 
     */ 
    public static function base16Encode(string $str): string 
    { 
        return Hex::encodeUpper($str); 
    } 
 
    /** 
     * RFC 4648 Base16 decoding 
     * 
     * "666F6F" -> "foo" 
     * 
     * @param string $str 
     * @return string 
     */ 
    public static function base16Decode(string $str): string 
    { 
        return Hex::decode($str, true); 
    } 
}
 
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