ParagonIE_Sodium_Compat::crypto_box_open( string $ciphertext, string $nonce, string $keypair ): string

1531    public static function crypto_box_open(1532        $ciphertext,1533        $nonce,1534        #[\SensitiveParameter]1535        $keypair1536    ) {1537        /* Type checks: */1538        ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1);1539        ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2);1540        ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 3);1541 1542        /* Input validation: */1543        if (ParagonIE_Sodium_Core_Util::strlen($ciphertext) < self::CRYPTO_BOX_MACBYTES) {1544            throw new SodiumException('Argument 1 must be at least CRYPTO_BOX_MACBYTES long.');1545        }1546        if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_BOX_NONCEBYTES) {1547            throw new SodiumException('Argument 2 must be CRYPTO_BOX_NONCEBYTES long.');1548        }1549        if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_BOX_KEYPAIRBYTES) {1550            throw new SodiumException('Argument 3 must be CRYPTO_BOX_KEYPAIRBYTES long.');1551        }1552 1553        if (self::useNewSodiumAPI()) {1554            /**1555             * @psalm-suppress InvalidReturnStatement1556             * @psalm-suppress FalsableReturnStatement1557             */1558            return sodium_crypto_box_open($ciphertext, $nonce, $keypair);1559        }1560        if (self::use_fallback('crypto_box_open')) {1561            return call_user_func('\\Sodium\\crypto_box_open', $ciphertext, $nonce, $keypair);1562        }1563        if (PHP_INT_SIZE === 4) {1564            return ParagonIE_Sodium_Crypto32::box_open($ciphertext, $nonce, $keypair);1565        }1566        return ParagonIE_Sodium_Crypto::box_open($ciphertext, $nonce, $keypair);1567    }