ParagonIE_Sodium_Compat::crypto_kdf_derive_from_key()
{} Это метод класса: ParagonIE_Sodium_Compat{}
Хуков нет.
Возвращает
Строку
.
Использование
$result = ParagonIE_Sodium_Compat::crypto_kdf_derive_from_key(;
Код ParagonIE_Sodium_Compat::crypto_kdf_derive_from_key() ParagonIE Sodium Compat::crypto kdf derive from key WP 6.0
public static function crypto_kdf_derive_from_key( $subkey_len, $subkey_id, $context, $key ) { ParagonIE_Sodium_Core_Util::declareScalarType($subkey_len, 'int', 1); ParagonIE_Sodium_Core_Util::declareScalarType($subkey_id, 'int', 2); ParagonIE_Sodium_Core_Util::declareScalarType($context, 'string', 3); ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); $subkey_id = (int) $subkey_id; $subkey_len = (int) $subkey_len; $context = (string) $context; $key = (string) $key; if ($subkey_len < self::CRYPTO_KDF_BYTES_MIN) { throw new SodiumException('subkey cannot be smaller than SODIUM_CRYPTO_KDF_BYTES_MIN'); } if ($subkey_len > self::CRYPTO_KDF_BYTES_MAX) { throw new SodiumException('subkey cannot be larger than SODIUM_CRYPTO_KDF_BYTES_MAX'); } if ($subkey_id < 0) { throw new SodiumException('subkey_id cannot be negative'); } if (ParagonIE_Sodium_Core_Util::strlen($context) !== self::CRYPTO_KDF_CONTEXTBYTES) { throw new SodiumException('context should be SODIUM_CRYPTO_KDF_CONTEXTBYTES bytes'); } if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_KDF_KEYBYTES) { throw new SodiumException('key should be SODIUM_CRYPTO_KDF_KEYBYTES bytes'); } $salt = ParagonIE_Sodium_Core_Util::store64_le($subkey_id); $state = self::crypto_generichash_init_salt_personal( $key, $subkey_len, $salt, $context ); return self::crypto_generichash_final($state, $subkey_len); }