In this paper, an asymmetric image encryption mechanism using QR decomposition
technique in hybrid multi-resolution wavelet (HMW) domain is presented. QR decomposition …

In this paper, we have proposed asymmetric image encryption cum authentication
cryptosystem based on double random modulus decomposition using computational ghost …

In this study, we propose an optical double-image information-leakage-free cryptosystem
using phase truncation in the Fresnel domain. During the encryption process, two plaintexts …

An enhanced optical single-channel asymmetric cryptosystem for color image is proposed
by using hyperchaotic system and random modulus decomposition (RMD) in gyrator …

In this paper, an asymmetric watermarking mechanism based on the random decomposition
in hybrid multi-resolution wavelet domain is proposed. To further enhance the security of the …

In this study, we propose a new optical colour image encryption technique using spiral
phase transform and chaotic pixel scrambling. For encryption, three channels of the colour …

In this paper, an asymmetric scheme based on double image using phase retrieval
algorithms in gyrator domain is reported. The double images are encrypted using QZ …

In this paper, an asymmetric hybrid cryptosystem utilizing four-dimensional (4D)
hyperchaotic framework by means of coherent superposition and random decomposition in …

In this paper, an asymmetric cryptosystem with unequal modulus decomposition in the
Fourier domain is presented. The input-colour image is decomposed into its red, green, and …

In this paper, an asymmetric hybrid cryptosystem with coherent superposition, equal
modulus and random decomposition in hybrid transform domain is proposed. To further …