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DES
- 数据加密标准（DES） 轮函数采用混乱和扩散的组合，共16轮 -Data Encryption Standard (DES) round function using a combination of confusion and diffusion, a total of 16
cccodes
- In this paper,wepropose a newloss-less symmetric imagecipher basedonthe widelyusedsubstitution– diffusion architecture which utilizes chaotic standard and logisticmaps. It is specifically designed for the coloured images, which are 3D arrays of d
DES
- DES的原始思想可以参照二战德国的恩尼格玛机，其基本思想大致相同。传统的密码加密都是由古代的循环移位思想而来，恩尼格玛机在这个基础之上进行了扩散模糊。但是本质原理都是一样的。现代DES在二进制级别做着同样的事：替代模糊，增加分析的难度。 算法参照国家对称加密算法标准-DES the original thoughts can refer to world war ii German enigma machine, its basic ideas about the same. Tradit
Color-Extended-Visual-Cryptography-Using-Error-Di
- Color visual cryptography (VC) encrypts a color secret message into color halftone image shares. Previous methods in the literature show good results for black and white or gray scale VC schemes, however, they are not sufficient to be applied directl
chaotic-cipher-cheby-shev-map
- chaotic cipher chebyshev map diffusion
bmp_encryption
- 对图像进行置乱扩散处理后，得到一幅密文图像。-Scrambling for image diffusion process to obtain a ciphertext image.
bmp_diffusion
- 对一幅图像进行扩散处理，改变图像中每一像素点的值-Image of a diffusion process, change the value of each pixel of the image
bmp_encryptioned
- 对一幅加密图像进行解置乱，解扩散得到一幅明文图像-For a de-scrambling encryption image, to give a solution of the diffusion plain image