Figure 9From: Quantum authentication method based on key-controlled maximally mixed quantum state encryptionEve’s forged message and QMAC pair using \(U_{E^{i}} = \mathcal{R}_{\hat{Z}} ( \pi )\) when the secret key is \(k_{AB}^{i} = ( 0,0 )\). (a) Eve forges QMAC \(\vert R \rangle _{i}\) to \(\vert L_{E} \rangle _{i}\) when \(m_{i} =0\). (b) Eve forge QMAC \(\vert L \rangle _{i}\) to \(\vert R_{E} \rangle _{i}\) when \(m_{i} =1\)Back to article page