ParagonIE_Sodium_Core_AEGIS_State256::update( string $m ): self

200    public function update($m)201    {202        /*203            S'0 = AESRound(S5, S0 ^ M)204            S'1 = AESRound(S0, S1)205            S'2 = AESRound(S1, S2)206            S'3 = AESRound(S2, S3)207            S'4 = AESRound(S3, S4)208            S'5 = AESRound(S4, S5)209         */210        list($s_0, $s_1) = ParagonIE_Sodium_Core_AES::doubleRound(211            $this->state[5],$this->state[0] ^ $m,212            $this->state[0], $this->state[1]213        );214 215        list($s_2, $s_3) = ParagonIE_Sodium_Core_AES::doubleRound(216            $this->state[1], $this->state[2],217            $this->state[2], $this->state[3]218        );219        list($s_4, $s_5) = ParagonIE_Sodium_Core_AES::doubleRound(220            $this->state[3], $this->state[4],221            $this->state[4], $this->state[5]222        );223 224        /*225            S0  = S'0226            S1  = S'1227            S2  = S'2228            S3  = S'3229            S4  = S'4230            S5  = S'5231         */232        $this->state[0] = $s_0;233        $this->state[1] = $s_1;234        $this->state[2] = $s_2;235        $this->state[3] = $s_3;236        $this->state[4] = $s_4;237        $this->state[5] = $s_5;238        return $this;239    }