Summery Summery
One-time message authentication for 32-bit systems
Syntax Syntax
Parameters Parameters
- $state
-
(Required)
- $ifp
-
(Required)
- $tag
-
(Optional)
Default value: ''
- $mlen
-
(Required)
Return Return
(bool)
Source Source
File: wp-includes/sodium_compat/src/File.php
protected static function onetimeauth_verify_core32( ParagonIE_Sodium_Core32_Poly1305_State $state, $ifp, $tag = '', $mlen = 0 ) { /** @var int $pos */ $pos = self::ftell($ifp); /** @var int $iter */ $iter = 1; /** @var int $incr */ $incr = self::BUFFER_SIZE >> 6; while ($mlen > 0) { $blockSize = $mlen > self::BUFFER_SIZE ? self::BUFFER_SIZE : $mlen; $ciphertext = fread($ifp, $blockSize); if (!is_string($ciphertext)) { throw new SodiumException('Could not read input file'); } $state->update($ciphertext); $mlen -= $blockSize; $iter += $incr; } $res = ParagonIE_Sodium_Core32_Util::verify_16($tag, $state->finish()); fseek($ifp, $pos, SEEK_SET); return $res; }