class ParagonIE_Sodium_Core32_XChaCha20 in Automatic Updates 7

Class ParagonIE_Sodium_Core32_XChaCha20

Hierarchy

• class \ParagonIE_Sodium_Core_Util
  • class \ParagonIE_Sodium_Core32_Util
    • class \ParagonIE_Sodium_Core32_ChaCha20
      • class \ParagonIE_Sodium_Core32_HChaCha20
        • class \ParagonIE_Sodium_Core32_XChaCha20

1 string reference to 'ParagonIE_Sodium_Core32_XChaCha20'

XChaCha20.php in vendor/paragonie/sodium_compat/src/Core32/XChaCha20.php

File

vendor/paragonie/sodium_compat/src/Core32/XChaCha20.php, line 10

class ParagonIE_Sodium_Core32_XChaCha20 extends ParagonIE_Sodium_Core32_HChaCha20 {

  /**
   * @internal You should not use this directly from another application
   *
   * @param int $len
   * @param string $nonce
   * @param string $key
   * @return string
   * @throws SodiumException
   * @throws TypeError
   */
  public static function stream($len = 64, $nonce = '', $key = '') {
    if (self::strlen($nonce) !== 24) {
      throw new SodiumException('Nonce must be 24 bytes long');
    }
    return self::encryptBytes(new ParagonIE_Sodium_Core32_ChaCha20_Ctx(self::hChaCha20(self::substr($nonce, 0, 16), $key), self::substr($nonce, 16, 8)), str_repeat("\0", $len));
  }

  /**
   * @internal You should not use this directly from another application
   *
   * @param string $message
   * @param string $nonce
   * @param string $key
   * @param string $ic
   * @return string
   * @throws SodiumException
   * @throws TypeError
   */
  public static function streamXorIc($message, $nonce = '', $key = '', $ic = '') {
    if (self::strlen($nonce) !== 24) {
      throw new SodiumException('Nonce must be 24 bytes long');
    }
    return self::encryptBytes(new ParagonIE_Sodium_Core32_ChaCha20_Ctx(self::hChaCha20(self::substr($nonce, 0, 16), $key), self::substr($nonce, 16, 8), $ic), $message);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ParagonIE_Sodium_Core32_ChaCha20::encryptBytes	public static	function	@internal You should not use this directly from another application
ParagonIE_Sodium_Core32_ChaCha20::ietfStream	public static	function	@internal You should not use this directly from another application
ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc	public static	function	@internal You should not use this directly from another application
ParagonIE_Sodium_Core32_ChaCha20::quarterRound	protected static	function	The ChaCha20 quarter round function. Works on four 32-bit integers.
ParagonIE_Sodium_Core32_HChaCha20::hChaCha20	public static	function
ParagonIE_Sodium_Core32_HChaCha20::hChaCha20Bytes	protected static	function
ParagonIE_Sodium_Core32_XChaCha20::stream	public static	function	@internal You should not use this directly from another application Overrides ParagonIE_Sodium_Core32_ChaCha20::stream
ParagonIE_Sodium_Core32_XChaCha20::streamXorIc	public static	function	@internal You should not use this directly from another application Overrides ParagonIE_Sodium_Core32_ChaCha20::streamXorIc
ParagonIE_Sodium_Core_Util::abs	public static	function
ParagonIE_Sodium_Core_Util::bin2hex	public static	function	Convert a binary string into a hexadecimal string without cache-timing leaks
ParagonIE_Sodium_Core_Util::bin2hexUpper	public static	function	Convert a binary string into a hexadecimal string without cache-timing leaks, returning uppercase letters (as per RFC 4648)
ParagonIE_Sodium_Core_Util::chrToInt	public static	function	Cache-timing-safe variant of ord()
ParagonIE_Sodium_Core_Util::compare	public static	function	Compares two strings.
ParagonIE_Sodium_Core_Util::declareScalarType	public static	function	If a variable does not match a given type, throw a TypeError.
ParagonIE_Sodium_Core_Util::hashEquals	public static	function	Evaluate whether or not two strings are equal (in constant-time)
ParagonIE_Sodium_Core_Util::hex2bin	public static	function	Convert a hexadecimal string into a binary string without cache-timing leaks
ParagonIE_Sodium_Core_Util::intArrayToString	public static	function	Turn an array of integers into a string
ParagonIE_Sodium_Core_Util::intToChr	public static	function	Cache-timing-safe variant of ord()
ParagonIE_Sodium_Core_Util::isMbStringOverride	protected static	function	Returns whether or not mbstring.func_overload is in effect.
ParagonIE_Sodium_Core_Util::load64_le	public static	function	Load a 8 character substring into an integer
ParagonIE_Sodium_Core_Util::load_3	public static	function	Load a 3 character substring into an integer
ParagonIE_Sodium_Core_Util::load_4	public static	function	Load a 4 character substring into an integer
ParagonIE_Sodium_Core_Util::memcmp	public static	function	@internal You should not use this directly from another application
ParagonIE_Sodium_Core_Util::mul	public static	function	Multiply two integers in constant-time
ParagonIE_Sodium_Core_Util::numericTo64BitInteger	public static	function	Convert any arbitrary numbers into two 32-bit integers that represent a 64-bit integer.
ParagonIE_Sodium_Core_Util::store32_le	public static	function	Store a 32-bit integer into a string, treating it as little-endian.
ParagonIE_Sodium_Core_Util::store64_le	public static	function	Stores a 64-bit integer as an string, treating it as little-endian.
ParagonIE_Sodium_Core_Util::store_3	public static	function	Store a 24-bit integer into a string, treating it as big-endian.
ParagonIE_Sodium_Core_Util::store_4	public static	function	Store a 32-bit integer into a string, treating it as big-endian.
ParagonIE_Sodium_Core_Util::stringToIntArray	public static	function	Turn a string into an array of integers
ParagonIE_Sodium_Core_Util::strlen	public static	function	Safe string length
ParagonIE_Sodium_Core_Util::substr	public static	function	Safe substring
ParagonIE_Sodium_Core_Util::verify_16	public static	function	Compare a 16-character byte string in constant time.
ParagonIE_Sodium_Core_Util::verify_32	public static	function	Compare a 32-character byte string in constant time.
ParagonIE_Sodium_Core_Util::xorStrings	public static	function	Calculate $a ^ $b for two strings.