ParagonIE_Sodium_Compat::crypto_stream_xor() public WP 1.0
DANGER! UNAUTHENTICATED ENCRYPTION!
Unless you are following expert advice, do not used this feature.
Algorithm: XSalsa20
This DOES NOT provide ciphertext integrity.
{} Это метод класса: ParagonIE_Sodium_Compat{}
Хуков нет.
Возвращает
Строку. Encrypted text which is vulnerable to chosen- ciphertext attacks unless you implement some other mitigation to the ciphertext (i.e. Encrypt then MAC)
Использование
$result = ParagonIE_Sodium_Compat::crypto_stream_xor( $message, $nonce, $key );
- $message(строка) (обязательный)
- Plaintext message
- $nonce(строка) (обязательный)
- Number to be used Once; must be 24 bytes
- $key(строка) (обязательный)
- Encryption key
Код ParagonIE_Sodium_Compat::crypto_stream_xor() ParagonIE Sodium Compat::crypto stream xor WP 5.6.2
public static function crypto_stream_xor($message, $nonce, $key)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_STREAM_NONCEBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_STREAM_KEYBYTES) {
throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
return sodium_crypto_stream_xor($message, $nonce, $key);
}
if (self::use_fallback('crypto_stream_xor')) {
return (string) call_user_func('\\Sodium\\crypto_stream_xor', $message, $nonce, $key);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Core32_XSalsa20::xsalsa20_xor($message, $nonce, $key);
}
return ParagonIE_Sodium_Core_XSalsa20::xsalsa20_xor($message, $nonce, $key);
}