<?php

if (class_exists('ParagonIE_Sodium_Core_Poly1305', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core_Poly1305
 */
abstract class ParagonIE_Sodium_Core_Poly1305 extends ParagonIE_Sodium_Core_Util
{
    const BLOCK_SIZE = 16;

    /**
     * @internal You should not use this directly from another application
     *
     * @param string $m
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function onetimeauth($m, $key)
    {
        if (self::strlen($key) < 32) {
            throw new InvalidArgumentException(
                'Key must be 32 bytes long.'
            );
        }
        $state = new ParagonIE_Sodium_Core_Poly1305_State(
            self::substr($key, 0, 32)
        );
        return $state
            ->update($m)
            ->finish();
    }

    /**
     * @internal You should not use this directly from another application
     *
     * @param string $mac
     * @param string $m
     * @param string $key
     * @return bool
     * @throws SodiumException
     * @throws TypeError
     */
    public static function onetimeauth_verify($mac, $m, $key)
    {
        if (self::strlen($key) < 32) {
            throw new InvalidArgumentException(
                'Key must be 32 bytes long.'
            );
        }
        $state = new ParagonIE_Sodium_Core_Poly1305_State(
            self::substr($key, 0, 32)
        );
        $calc = $state
            ->update($m)
            ->finish();
        return self::verify_16($calc, $mac);
    }
}

• [D] Base64
• [D] ChaCha20
• [D] Curve25519
• [D] Poly1305
• [D] SecretStream
• [F] BLAKE2b.php
  Delete
• [F] ChaCha20.php
  Delete
• [F] Curve25519.php
  Delete
• [F] Ed25519.php
  Delete
• [F] HChaCha20.php
  Delete
• [F] HSalsa20.php
  Delete
• [F] Poly1305.php
  Delete
• [F] Ristretto255.php
  Delete
• [F] Salsa20.php
  Delete
• [F] SipHash.php
  Delete
• [F] Util.php
  Delete
• [F] X25519.php
  Delete
• [F] XChaCha20.php
  Delete
• [F] XSalsa20.php
  Delete

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