src/ParametersTrait.php
public function getSignature()
    {
        $hashParts = [
            strtoupper($this->getUserId()),
            strtoupper(hash('sha512', $this->getPassword())),
            strtoupper($this->getTime())
        ];

        return strtoupper(hash('sha512', implode('', $hashParts)));
    }
public function getSignature()
    {
        $hashParts = [
            strtoupper($this->getUserId()),
            strtoupper(hash('sha512', $this->getPassword())),
            strtoupper($this->getTime())
        ];

        return strtoupper(hash('sha512', implode('', $hashParts)));
    }
Get signature
@return string