The Side Channel

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3:02 AM

I have a number that consists of 99 digits and I need to factor it. I ran it in alpertrom.com.ar, but it'll take up to 40 hours if I counted all right. Is there any way to make it by hand(stupid question), I mean to simplify computation for the program? Or maybe anyone can factor it out. Prof. pr...

6 hours later…

Maeher

9:01 AM

I hate "Community" bumping questions.

9 hours later…

Crypto HNQ

6:14 PM

Q: Does AES encryption work like a padlock or like a safe?

If I encrypt a plaintext p using AES-256 in GCM mode with the keys $k_1 ... k_n$ and I want to decrypt it later, can I use the keys in any order when decrypting or do I have to use the same order as when encrypting but in reverse? If not, is there a modern symmetric encryption algorithm that lets...

aes

kelalaka

7:06 PM

@Maeher one way not to see them is the upvote :P

2 hours later…

kelalaka

9:07 PM

Dear community, could you vote up or down to decide ?

Q: Do we want to update our "Ask Question" side-bar and if so, how?

Recently, Catija suggested we can change our side-bar text on the ask page to be more site-specific and warn people more directly that cryptocurrency questions tend to be off-topic. The way this works is that we get to customize the following box labelled step 1: There are at least three sites o...