ParagonIE_Sodium_Compat::crypto_box_keypair_from_secretkey_and_publickey( string $secretKey, string $publicKey ): string

1489    public static function crypto_box_keypair_from_secretkey_and_publickey(1490        #[\SensitiveParameter]1491        $secretKey,1492        $publicKey1493    ) {1494        /* Type checks: */1495        ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1);1496        ParagonIE_Sodium_Core_Util::declareScalarType($publicKey, 'string', 2);1497 1498        /* Input validation: */1499        if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_BOX_SECRETKEYBYTES) {1500            throw new SodiumException('Argument 1 must be CRYPTO_BOX_SECRETKEYBYTES long.');1501        }1502        if (ParagonIE_Sodium_Core_Util::strlen($publicKey) !== self::CRYPTO_BOX_PUBLICKEYBYTES) {1503            throw new SodiumException('Argument 2 must be CRYPTO_BOX_PUBLICKEYBYTES long.');1504        }1505 1506        if (self::useNewSodiumAPI()) {1507            return (string) sodium_crypto_box_keypair_from_secretkey_and_publickey($secretKey, $publicKey);1508        }1509        if (self::use_fallback('crypto_box_keypair_from_secretkey_and_publickey')) {1510            return (string) call_user_func('\\Sodium\\crypto_box_keypair_from_secretkey_and_publickey', $secretKey, $publicKey);1511        }1512        if (PHP_INT_SIZE === 4) {1513            return ParagonIE_Sodium_Crypto32::box_keypair_from_secretkey_and_publickey($secretKey, $publicKey);1514        }1515        return ParagonIE_Sodium_Crypto::box_keypair_from_secretkey_and_publickey($secretKey, $publicKey);1516    }