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- W2026694857 abstract "Collision is a situation that occurs when two or more distinct inputs into a security system produce identical outputs, which is undesirable in security applications such as watermarking and authentication. In this report we present a study of the collision property of double random-phase encoding (DRPE) in the fractional Fourier (FRT) domain. For a decade, optical security systems operating in the FRT domain is said to have a larger key space and therefore higher security. However we find that it is still possible to produce meaningful collision from the cyphertext or a watermarking embedded in a host image even without any knowledge about the fractional orders or the random phase keys." @default.
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- W2026694857 date "2009-11-04" @default.
- W2026694857 modified "2023-09-26" @default.
- W2026694857 title "Collision in double-phase encryption based on fractional Fourier transform" @default.
- W2026694857 doi "https://doi.org/10.1117/12.837579" @default.
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