ParagonIE_Sodium_Core_BLAKE2b::context() protected WP 1.0

Returns a fresh BLAKE2 context.

{} It's a method of the class: ParagonIE_Sodium_Core_BLAKE2b{}

No Hooks.

Return

SplFixedArray. Null. Nothing.

Usage

$result = ParagonIE_Sodium_Core_BLAKE2b::context();

Code of ParagonIE_Sodium_Core_BLAKE2b::context() ParagonIE Sodium Core BLAKE2b::context ^{WP 5.7}

<?php
protected static function context()
{
    $ctx    = new SplFixedArray(6);
    $ctx[0] = new SplFixedArray(8);   // h
    $ctx[1] = new SplFixedArray(2);   // t
    $ctx[2] = new SplFixedArray(2);   // f
    $ctx[3] = new SplFixedArray(256); // buf
    $ctx[4] = 0;                      // buflen
    $ctx[5] = 0;                      // last_node (uint8_t)

    for ($i = 8; $i--;) {
        $ctx[0][$i] = self::$iv[$i];
    }
    for ($i = 256; $i--;) {
        $ctx[3][$i] = 0;
    }

    $zero = self::new64(0, 0);
    $ctx[1][0] = $zero;
    $ctx[1][1] = $zero;
    $ctx[2][0] = $zero;
    $ctx[2][1] = $zero;

    return $ctx;
}