/home/kueuepay/public_html/vendor/paragonie/sodium_compat/lib/ristretto255.php
<?php

if (!defined('SODIUM_CRYPTO_CORE_RISTRETTO255_BYTES')) {
    define(
        'SODIUM_CRYPTO_CORE_RISTRETTO255_BYTES',
        ParagonIE_Sodium_Compat::CRYPTO_CORE_RISTRETTO255_BYTES
    );
    define('SODIUM_COMPAT_POLYFILLED_RISTRETTO255', true);
}
if (!defined('SODIUM_CRYPTO_CORE_RISTRETTO255_HASHBYTES')) {
    define(
        'SODIUM_CRYPTO_CORE_RISTRETTO255_HASHBYTES',
        ParagonIE_Sodium_Compat::CRYPTO_CORE_RISTRETTO255_HASHBYTES
    );
}
if (!defined('SODIUM_CRYPTO_CORE_RISTRETTO255_SCALARBYTES')) {
    define(
        'SODIUM_CRYPTO_CORE_RISTRETTO255_SCALARBYTES',
        ParagonIE_Sodium_Compat::CRYPTO_CORE_RISTRETTO255_SCALARBYTES
    );
}
if (!defined('SODIUM_CRYPTO_CORE_RISTRETTO255_NONREDUCEDSCALARBYTES')) {
    define(
        'SODIUM_CRYPTO_CORE_RISTRETTO255_NONREDUCEDSCALARBYTES',
        ParagonIE_Sodium_Compat::CRYPTO_CORE_RISTRETTO255_NONREDUCEDSCALARBYTES
    );
}
if (!defined('SODIUM_CRYPTO_SCALARMULT_RISTRETTO255_SCALARBYTES')) {
    define(
        'SODIUM_CRYPTO_SCALARMULT_RISTRETTO255_SCALARBYTES',
        ParagonIE_Sodium_Compat::CRYPTO_SCALARMULT_RISTRETTO255_SCALARBYTES
    );
}
if (!defined('SODIUM_CRYPTO_SCALARMULT_RISTRETTO255_BYTES')) {
    define(
        'SODIUM_CRYPTO_SCALARMULT_RISTRETTO255_BYTES',
        ParagonIE_Sodium_Compat::CRYPTO_SCALARMULT_RISTRETTO255_BYTES
    );
}

if (!is_callable('sodium_crypto_core_ristretto255_add')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_add()
     *
     * @param string $p
     * @param string $q
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_add($p, $q)
    {
        return ParagonIE_Sodium_Compat::ristretto255_add($p, $q, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_from_hash')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_from_hash()
     *
     * @param string $s
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_from_hash($s)
    {
        return ParagonIE_Sodium_Compat::ristretto255_from_hash($s, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_is_valid_point')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_is_valid_point()
     *
     * @param string $s
     * @return bool
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_is_valid_point($s)
    {
        return ParagonIE_Sodium_Compat::ristretto255_is_valid_point($s, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_random')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_random()
     *
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_random()
    {
        return ParagonIE_Sodium_Compat::ristretto255_random(true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_scalar_add')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_scalar_add()
     *
     * @param string $x
     * @param string $y
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_scalar_add($x, $y)
    {
        return ParagonIE_Sodium_Compat::ristretto255_scalar_add($x, $y, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_scalar_complement')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_scalar_complement()
     *
     * @param string $s
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_scalar_complement($s)
    {
        return ParagonIE_Sodium_Compat::ristretto255_scalar_complement($s, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_scalar_invert')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_scalar_invert()
     *
     * @param string $p
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_scalar_invert($p)
    {
        return ParagonIE_Sodium_Compat::ristretto255_scalar_invert($p, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_scalar_mul')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_scalar_mul()
     *
     * @param string $x
     * @param string $y
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_scalar_mul($x, $y)
    {
        return ParagonIE_Sodium_Compat::ristretto255_scalar_mul($x, $y, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_scalar_negate')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_scalar_negate()
     *
     * @param string $s
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_scalar_negate($s)
    {
        return ParagonIE_Sodium_Compat::ristretto255_scalar_negate($s, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_scalar_random')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_scalar_random()
     *
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_scalar_random()
    {
        return ParagonIE_Sodium_Compat::ristretto255_scalar_random(true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_scalar_reduce')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_scalar_reduce()
     *
     * @param string $s
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_scalar_reduce($s)
    {
        return ParagonIE_Sodium_Compat::ristretto255_scalar_reduce($s, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_scalar_sub')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_scalar_sub()
     *
     * @param string $x
     * @param string $y
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_scalar_sub($x, $y)
    {
        return ParagonIE_Sodium_Compat::ristretto255_scalar_sub($x, $y, true);
    }
}
if (!is_callable('sodium_crypto_core_ristretto255_sub')) {
    /**
     * @see ParagonIE_Sodium_Compat::ristretto255_sub()
     *
     * @param string $p
     * @param string $q
     * @return string
     * @throws SodiumException
     */
    function sodium_crypto_core_ristretto255_sub($p, $q)
    {
        return ParagonIE_Sodium_Compat::ristretto255_sub($p, $q, true);
    }
}
if (!is_callable('sodium_crypto_scalarmult_ristretto255')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_scalarmult_ristretto255()
     * @param string $n
     * @param string $p
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_scalarmult_ristretto255($n, $p)
    {
        return ParagonIE_Sodium_Compat::scalarmult_ristretto255($n, $p, true);
    }
}
if (!is_callable('sodium_crypto_scalarmult_ristretto255_base')) {
    /**
     * @see ParagonIE_Sodium_Compat::crypto_scalarmult_ristretto255_base()
     * @param string $n
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    function sodium_crypto_scalarmult_ristretto255_base($n)
    {
        return ParagonIE_Sodium_Compat::scalarmult_ristretto255_base($n, true);
    }
}
About
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About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

  • Simplifying Payments, One Tap at a Time.
  • Reinventing Your Wallet for Modern Convenience.
  • Smart Payments for a Effortless Lifestyle.
  • Experience the Ease of Tap and Pay.
  • Innovative Solutions for Your Daily Transactions.

Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

faq-img

How do I register for NFC Pay?

Download the app and sign up using your email or phone number, then complete the verification process.

Is my payment information secure?

Yes, we use advanced encryption and security protocols to protect your payment details.

Can I add multiple cards to my NFC Pay wallet?

Absolutely, you can link multiple debit or credit cards to your wallet.

How do I transfer money to another user?

Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.

What should I do if I forget my PIN?

Use the “Forgot PIN” feature in the app to reset it following the provided instructions.

How can I activate my merchant account?

Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.

Can I track my payment status?

Yes, you can view and track your payment status in the account dashboard