ParagonIE_Sodium_Core32_Poly1305{} WP 1.0

Class ParagonIE_Sodium_Core32_Poly1305

No Hooks.

Return

null. Null. Nothing.

Usage

$ParagonIE_Sodium_Core32_Poly1305 = new ParagonIE_Sodium_Core32_Poly1305();
// use class methods

Methods

1. onetimeauth($m, $key)
2. onetimeauth_verify($mac, $m, $key)

Code of ParagonIE_Sodium_Core32_Poly1305{} ParagonIE Sodium Core32 Poly1305{} ^{WP 5.7}

<?php
abstract class ParagonIE_Sodium_Core32_Poly1305 extends ParagonIE_Sodium_Core32_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.'
            );
        }
        $state = new ParagonIE_Sodium_Core32_Poly1305_State(
            self::substr($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.'
            );
        }
        $state = new ParagonIE_Sodium_Core32_Poly1305_State(
            self::substr($key, 0, 32)
        );
        $calc = $state
            ->update($m)
            ->finish();
        return self::verify_16($calc, $mac);
    }
}