class ParagonIE_Sodium_Core_ChaCha20_IetfCtx in Automatic Updates 7

Class ParagonIE_Sodium_Core_ChaCha20_IetfCtx

Hierarchy

• class \ParagonIE_Sodium_Core_Util
  • class \ParagonIE_Sodium_Core_ChaCha20_Ctx implements \ArrayAccess
    • class \ParagonIE_Sodium_Core_ChaCha20_IetfCtx

2 string references to 'ParagonIE_Sodium_Core_ChaCha20_IetfCtx'

IetfCtx.php in vendor/paragonie/sodium_compat/src/Core/ChaCha20/IetfCtx.php

IetfCtx.php in vendor/paragonie/sodium_compat/src/Core32/ChaCha20/IetfCtx.php

File

vendor/paragonie/sodium_compat/src/Core/ChaCha20/IetfCtx.php, line 10

class ParagonIE_Sodium_Core_ChaCha20_IetfCtx extends ParagonIE_Sodium_Core_ChaCha20_Ctx {

  /**
   * ParagonIE_Sodium_Core_ChaCha20_IetfCtx constructor.
   *
   * @internal You should not use this directly from another application
   *
   * @param string $key     ChaCha20 key.
   * @param string $iv      Initialization Vector (a.k.a. nonce).
   * @param string $counter The initial counter value.
   *                        Defaults to 4 0x00 bytes.
   * @throws InvalidArgumentException
   * @throws TypeError
   */
  public function __construct($key = '', $iv = '', $counter = '') {
    if (self::strlen($iv) !== 12) {
      throw new InvalidArgumentException('ChaCha20 expects a 96-bit nonce in IETF mode.');
    }
    parent::__construct($key, self::substr($iv, 0, 8), $counter);
    if (!empty($counter)) {
      $this->container[12] = self::load_4(self::substr($counter, 0, 4));
    }
    $this->container[13] = self::load_4(self::substr($iv, 0, 4));
    $this->container[14] = self::load_4(self::substr($iv, 4, 4));
    $this->container[15] = self::load_4(self::substr($iv, 8, 4));
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ParagonIE_Sodium_Core_ChaCha20_Ctx::$container	protected	property
ParagonIE_Sodium_Core_ChaCha20_Ctx::offsetExists	public	function	@internal You should not use this directly from another application
ParagonIE_Sodium_Core_ChaCha20_Ctx::offsetGet	public	function	@internal You should not use this directly from another application
ParagonIE_Sodium_Core_ChaCha20_Ctx::offsetSet	public	function	@internal You should not use this directly from another application
ParagonIE_Sodium_Core_ChaCha20_Ctx::offsetUnset	public	function	@internal You should not use this directly from another application
ParagonIE_Sodium_Core_ChaCha20_IetfCtx::__construct	public	function	ParagonIE_Sodium_Core_ChaCha20_IetfCtx constructor. Overrides ParagonIE_Sodium_Core_ChaCha20_Ctx::__construct
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.