# All Questions

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### Prove that if we redefine the key space, we can assume Gen chooses a key uniformly

I am working on problem 2.1 in Introduction to Modern Cryptography 2nd edition by Katz and Lindell. 2.1) Prove that by redefining the key space, we may assume that the key generation algorithm ...
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### Stacked LFSR - why not used?

New to cryptographic, weak in math. I have designed a PRG which consist of 33 LFSR's, each 32 bits wide. I use one of the LFSR's as "selector", using the 5 LSB from this register to select one of ...
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### Keystore and configuration file

It appears that Java Keystore is often used by web server using a configuration file, with the password opening the JKS written in it and also the password protecting the specific entry. How could ...
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### Assemble RSA keys from components

I'm studying openpgp cryptography and struggling to understand some things. I can't use pgp tool for generating keys and ecryption, but have to write a simple app to generate keys, encrypt and decrypt ...
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### Who are cryptography programmers responsible to? [on hold]

I am working on understanding the responsibility of a programmer when it comes to cryptography. Who is a programmers most responsible to, all humans vs. government, or even free people vs. non free, ...
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### Attack probability of an algorithm?

I am currently working on improvising the blow fish algorithm. Is there any method to find the attack probability of the algorithm? I am in learning stage right now so please don't mind if the ...
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### In modern definition, what is Enigma, and what caused its downfall?

This question is sparked from the movie The Imitation Game. This single question will have lots of subquestions. The Germans must put the Enigma at the same settings before encrypting and decrypting ...
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