# All Questions

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### Please stop saying "Does sth is ...", it's not English

Although English is my second language, I'm pretty sure the structure "Does sth is ..." is not grammatical. The correct way to ask for confirmation is "Is sth ...", and I assume &...
44 views

### Yearly comparison of the moderations

The below table is made for comparison of the yearly moderation of 2019, 2020, and 2021. Action Mod. '21 Mod¹ '20 Mod '19 Com. '21 Com¹ '20 Com¹ 19 Users suspended² 1 5 4 15 8 14 Users ...
26 views

### 2021: a year in moderation

As we say goodbye to the old year and welcome the new one, we have a tradition of sharing moderation stats for the preceding calendar year. As most of you here are aware, sites on the Stack Exchange ...
17 views

### Worst Case And Average Case

I am a Ph.d Student I would like to understand deeply the worst case and average case complexity for my Ph.d purpose, any advices or title of books/lectures would be helpful and thanks in advance What ...
22 views

### Edits must be at least 6 characters; is there something else to improve in this post?

This answer contains a typo in line 2: it says $a = aG$ whereas this should be $\alpha = aG$. I tried to correct it but the system does not let me and displays: "Edits must be at least 6 ...
44 views

### List of important crypto paper

Sometimes there are paper like "New directions in cryptography" from W Diffie, M Hellman, that have a huge impact on cryptography and can be said to be important for the field. Can someone ...
65 views

### Do organizations like NSA use racial profiling in the screening process?

some sources seem to indicate that they do: https://www.bloomberg.com/news/features/2019-12-10/the-u-s-government-s-mistrust-of-chinese-americans I realize this is a sensitive question. I'm a second-...
24 views

### Symbolic computation of Boolean functions

There are several packages such as SAGEmath, Maple, Mathematica as well as other OS packages which perform Boolean function symbolic arithmetic. Computations in this arithmetic are about performing OR ...
95 views

### Cryptography + Programming + Mathematics

I am PhD student of Mathematics already done with my thesis. My research field is not related with cryptography but I have been keeping good interest in number theory and algebra which I assume to be ...
29 views

### Friendly advice for people trying to implement E2EE chat and cloud storage apps

I've seen many times here where people dump the idea of implementing some kind of secure chat and cloud storage apps, and solicit advice on using (and often-time designing) algorithms and protocols; ...
61 views

### I use HandWiki as my primary online encyclopedia. Would or should people edit my links to Wikipedia?

As many may have already know, I live in a region where my national firewall blocks the IP addresses of Wikipedia (and other WikiMedia content sites, so I can't access them using domain fronting). A ...
61 views

### It is allowed to ask "Big List" questions?

In Mathoverflow, people can ask Big List questions which are "questions designed to generate a "big list" of certain results, examples, conjectures, etc. via many individual answers, ...
76 views

### Are 'Alice and Bob’ too ‘Western’ and in need of modernisation?

Reference this article regarding (UK) University of Edinburgh’s efforts to eliminate the use of 'Alice and Bob' in cryptography. And replacing 'Master /Slave' nomenclature within computer ...
66 views

### How to test or analyse an encryption algorithm?

I create an encryption algorithm to encrypt a message and use python to create the code base. And I want to submit a paper on that. But before that, I want to test my algorithm. I haven't any prior ...
89 views

### Active research areas in Cryptography

I am student having Math background. I want to shift in the direction of cryptography and willing to do my PhD in it. I want to explore different areas of cryptography before choosing one. What are ...
87 views

### Lattice based cryptography as Ph.D

I have experienced a little with lattice in my master thesis, but I didn't had time to get the perspectives about it nor any open problem, does lattice based cryptography has open problems or ...
49 views

### Would questions asking for "formal verification" tools on-topic?

As asked in the question, this post asks the topicallity of "formal verification" tools. I realize I have little experience with "formal verification" and I don't fully grasp its ...
28 views

### Where is the best place to pitch ideas for cryptographic functions [duplicate]

I am starting from the assumption that lots of people have ideas about a great new cryptographic function, but those are ideas are normally bad because good cryptography is hard, there are lots of ...
67 views

### How does a concept being used in cryptocurrencies not automatically make it related to cryptography?

I received this feedback as a comment to a now-deleted/closed question. Please illuminate my lack of understanding; is the "crypto" prefix a misnomer in some cases of digital currency or is ...
50 views

### Why is this site called Cryptography and not Cryptology?

Cryptography is the study of encryption. Cryptology is the study of both encryption and decryption/cryptanalysis. Is cryptanalysis out of scope here?
12 views

### Trivial question: is [tag:instantiation] seperate from [tag:algorithm-design]?

For a new question I asked, I wanted to tag it instantiation. However, upon discovering such tag doesn't exist, I turned to algorithm-design. I'd think algorithm-design encompasses instantiation, for ...
25 views

### Should we have a "rotor-machines" tag?

A search for the word rotor on SE Crypto brings up fifty questions. Most of them are about the Enigma, of course, but some are about the Bomba and Bombe, and one is about the Fialka (a Russian ...
39 views

### Asking for feedback and contribution on post-quantum cryptography research project

my colleagues and I at Darmstadt University of Applied Sciences developed a public website with the goal of presenting all known scientific papers that add to the Post-Quantum Cryptography research. ...
101 views

### Let's Formulate our Audience-Specific Ciphertext / Scheme Analysis Close Reason!

As part of our on-going efforts surrounding the question closing and new user guidance experience, we are asked to provide new audience-specific formulations for our existing custom close reasons. I ...
26 views

### The tag "o" : Which type of questions

I do not understand the o tag. Which topics does it refer to?
101 views

September update: Community Ads are now live network-wide. Since none of ad proposals on this site made it past the score thresholds, none will be displayed — go to the main post on MSE for a list of ...
38 views

### About the tags SHA-3 and Keccak?

Could someone explain the difference between the tags sha-3 and keccak with one example?
26 views

### Should we close CTF-like questions below some thresold of difficulty?

Take for example this question. It acknowledges being a CTF about textbook RSA with $e=3$, gives the hex for $n$, and a ciphertext much shorter than $n$. The OP is candid they did nothing towards a ...
17 views

### How to ask a good question for Cryptography.SE

Every now and then we will have new users and all welcome to ask questions ( and also provide answers - this is another subject). Most of the time we see that the questions are weak No background is ...
230 views

### What is the reading list on specific topics at Crypto.SE?

A while back, I noticed on [Computer Science.SE], they have a Reference FAQ List, and I think it might be good to have one here at [Crypto.SE] as well. Previously in this post: Do you think it's a ...
175 views

### Can we Lower the Required Vote Count for Closing?

On our site, we need 5 votes to close or duplicate a question without the moderators intervene. In Stackoverflow, 3 votes enough. For example; see in this question. I've seen that most of the time we ...
139 views

### 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 ...
80 views

### Which cryptocurrency sites are there on Stack Exchange and everywhere else?

We've got an upcoming close reason about cryptocurrency sites. However, instead of closing down questions we may want to migrate them or point out the resource to the user. That's more helpful than ...
160 views

### Let's formulate our Cryptocurrency Close-Reason!

As you might have read, we got asked to formulate our Cryptocurrency close reason. Unfortunately, the short texts you are used to are a thing of the past as we can now have audience-specific ...
203 views

### Crypto.SE, Cryptocurrencies, and Close Reasons: The Way Forward

So, we recently got an answer from Catija the CM on our request for a fourth close reason. The answer (and related mod-only discussions) boil down to the following: We can get our fourth close reason,...
113 views

### Reevalulation of privileges / trusted user level

Although we had a long period with only a low amount of trusted users, the site is continuing to grow. However, when a site grows out of beta and into maturity, there comes a time when the privilege ...
263 views

### Can We get a Fourth Custom Close Reason Slot for Cryptocurrency Questions?

After the recent request by Geoffroy, and after feeling an increase in off-topic questions about cryptocurrencies, I decided to look into it more. As it turns out, the current statistics for our close ...
84 views

### Community-specific reason for closing cryptocurrency questions?

There are tons of questions related to cryptocurrencies which are off-topic on crypto.stackexchange - e.g. about retrieving access to a wallet, choosing whether to invest in a cryptocurrency, generic ...
80 views

### Unethical behavior by a moderator noticed

I posted a few comments here Does Schnorr's 2021 factoring method show that the RSA cryptosystem is not secure? my comments (and supporting comments by another user and my flags are erased without ...
50 views

### If a user removed then how can I see what I've lost

When a user is removed, the first question that comes to mind is what I've lost? One case the upvotes/downvotes that you may lose. This is not really important. The other case is that you may lose an ...
34 views

### How can delet a bad-tag from Tags list or inform the moderators?

I find two questions using shors tag, when there is a tag (shors-algorithm), that I created some days ago, that is more precise and has the wiki. What is the procedure for a case like this, that there ...
30 views

### Cross-posting a challenge

I have posted this question on the Puzzling SE site: https://puzzling.stackexchange.com/q/101905/71326. However, it did not generate much interest. I could offer a bounty, but I wonder if I would have ...
38 views

### 2020: a year in moderation

As we say goodbye to the old year and welcome the new one, we have a tradition of sharing moderation stats for the past 12 months. As most of you here are aware, sites on the Stack Exchange network ...
21 views

### Should [tag:ecdsa] be a separate tag from [tag:dsa]?

In a recent question, I tried to edit in an ecdsa tag, but it's shown to be aliased to dsa. I don't quite agree with this, as DSA is pretty much obsolete (due to it being poorly specified and poorly ...
22 views

### Can we move an answer into another question without merging?

This question Verify partial message given hash of full message has two answers and the reason is simple, the OP was not clear about their O(1) requirement, see the update, mentioned it around one ...
90 views

### Do we really need a practice tag?

In a recent question, a new tag practice appeared. Nicely, tag info is written too; For questions regarding practical usage, development, and study of cryptographic schemes and protocols. Do we ...
101 views

### Where best to discuss a cryptography algorithm idea?

I have this idea in my head, I've drawn some images of roughly how it would look. I'm looking to explain the idea to someone and find out if there is something similar or if I'm going down the wrong ...
108 views

### How can we trust that cryptographers act in the public best interest

There is a major body of evidence of moderators hiding uncomfortable truths from the public view. How can we trust that a state level actor is not behind this. How can one be sure that there is ...
### Test out posts with MathJax / $\LaTeX$
Is there a place where I can create posts where I can test out MathJax / $\LaTeX$ support? I've seen this Q/A on how to use MathJax / $\LaTeX$ but I would like to experiment with it and have others ...