Image Encryption Research based on Key Extracted from Iris Feature

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Provided by: Science & Engineering Research Support soCiety (SERSC)
Topic: Security
Format: PDF
The encryption algorithm has disadvantages like the long key making memory difficult and uneasy safekeeping, which causes a potential threat to the information security. Therefore, a new direction of the encryption method research is to combine the biometric information with the traditional encryption algorithm. The key extracted from the iris and AES (Advanced Encryption Standard) encryption algorithm is used in the image encryption algorithm. The db2 wavelet decomposition to the iris region is performed, and the third level high frequency coefficient is extracted as the iris feature codes, from which a 192 bit key is generated by using the stochastic mapping function.
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