The imagesecurity problem is an important area in information security, and imageencryption plays a vital role in this day. To protect the image encryption fromthe attack of quantum algorithm appeared recently, an image encryption method basedon quantum Fourier transformation is proposed here. First, the image encryptionand Fourier transformation are discussed here, then a encryption function isproposed. Second, a quantum Fourier transformation is introduced to quantumencryption, and the full step of quantum encryption is given as well. Third,the security of the proposed quantum encryption if analyzed, and somepropositions are also presented. Lastly, some conclusions are indicated and some possibledirections are also listed.
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