wp-includes/sodium_compat/src/Core/Poly1305/State.php:313string public function finish() { /* process the remaining block */ if ($this->leftover) { $i = $this->leftover; $this->buffer[$i++] = 1; for (; $i < ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE; ++$i) { $this->buffer[$i] = 0; } $this->final = true; $this->blocks( self::substr( self::intArrayToString($this->buffer), 0, ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE ), ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE ); } $h0 = (int) $this->h[0]; $h1 = (int) $this->h[1]; $h2 = (int) $this->h[2]; $h3 = (int) $this->h[3]; $h4 = (int) $this->h[4]; /** @var int $c */ $c = $h1 >> 26; /** @var int $h1 */ $h1 &= 0x3ffffff; /** @var int $h2 */ $h2 += $c; /** @var int $c */ $c = $h2 >> 26; /** @var int $h2 */ $h2 &= 0x3ffffff; $h3 += $c; /** @var int $c */ $c = $h3 >> 26; $h3 &= 0x3ffffff; $h4 += $c; /** @var int $c */ $c = $h4 >> 26; $h4 &= 0x3ffffff; /** @var int $h0 */ $h0 += self::mul($c, 5, 3); /** @var int $c */ $c = $h0 >> 26; /** @var int $h0 */ $h0 &= 0x3ffffff; /** @var int $h1 */ $h1 += $c; /* compute h + -p */ /** @var int $g0 */ $g0 = $h0 + 5; /** @var int $c */ $c = $g0 >> 26; /** @var int $g0 */ $g0 &= 0x3ffffff; /** @var int $g1 */ $g1 = $h1 + $c; /** @var int $c */ $c = $g1 >> 26; $g1 &= 0x3ffffff; /** @var int $g2 */ $g2 = $h2 + $c; /** @var int $c */ $c = $g2 >> 26; /** @var int $g2 */ $g2 &= 0x3ffffff; /** @var int $g3 */ $g3 = $h3 + $c; /** @var int $c */ $c = $g3 >> 26; /** @var int $g3 */ $g3 &= 0x3ffffff;Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/sodium_compat/src/Core/Poly1305/State.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.