Method decodeKeyString

src/FileRise/Support/CryptoAtRest.php:99–105

* Decode a key string without persisting it. * * Accepted formats: * - 64 hex chars (32 bytes) * - base64:... (32 bytes after decode) * - raw 32-byte string (advanced) * * Returns the binary 32-byte key or null if invalid/unusable. */

(string $raw)

     * Returns the binary 32-byte key or null if invalid/unusable.
     */
    public static function decodeKeyString(string $raw): ?string
    {
        if (!self::isAvailable()) {
            return null;
        }
        return self::parseKeyString($raw);
    }

    private static function keyFilePath(): string
    {