Questions regarding Mathematica cryptography related functionality (introduced in Mathematica 10).

learn more… | top users | synonyms

3
votes
3answers
96 views

Extract every nth character from a string

I'm trying to extract every 21st character from this text, s (given below), to create new strings of all 1st characters, 2nd characters, etc. I have already separated the long string into substrings ...
0
votes
0answers
44 views

Hamming decoding

I have a small notebook that copies the example of the McEliece cryptosystem found here. The page omits the step used to decode $y'$. Does Mathematica contain any facilities for using Hamming ...
2
votes
2answers
111 views

Implementing an affine cipher

I am trying to create functions for encoding and decoding an affine cipher in Mathematica. I have written these two functions: ...
3
votes
0answers
179 views

Solving a substitution cipher [closed]

I am looking for a way to use Mathematica to decipher cipher texts that have been encrypted with a simple substitution cipher. Last week, our teacher worked the board on the following cipher. ...
4
votes
2answers
218 views

How can I encrypt/decrypt a directory?

I'd like to use Mathematica 10's new Encrypt and Decrypt functions to secure files and folders on my mac. Here's what I have so far but something goes wrong along the way, since by the end of this ...
3
votes
2answers
197 views

Pollard's Rho algorithm

I'm working in Mathematica and I'm trying to implement the [Pollard's Rho Algorithm for the Discrete Logartihm Problem][1].
2
votes
0answers
87 views
22
votes
3answers
431 views

Can't inject EncryptedObject

Bug present from 10.0 to 10.3.1 and fixed in 10.4.0 !! Here are minimal examples: ...