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<?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); } }
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