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5
votes
7answers
79 views

Community Promotion Ads — 2020

2020 has come! But… oops, where did the time go? It’s already March! Belated as it is, it’s time for a refresh of Community Promotion Ads! What are Community Promotion Ads? Community Promotion Ads ...
3
votes
2answers
91 views

Do we need to separate the combined tag pohlig-hellman for Pohlig Hellman Cipher and Pohlig-Hellman Algorithm

We have a tag pohlig-hellman with 32 question that stands for both Pohlig-Hellman symmetric cipher and the Pohlig–Hellman algorithm for discrete logarithm Nicely; the cipher's security relay on the ...
2
votes
2answers
62 views

Do we need a security tag

Recently, on Jan 29 at 16:36 a first question appeared with a security tag. Now after that, there are only 4 questions appeared. Do we need this tag?
5
votes
1answer
44 views

How much background knowledge on cryptography should we expect from programmer askers?

There are some questions from some programmers demonstrating them lacking some of the basic knowledge required for writing secure or otherwise loophole-free programs. So, (maybe serving as an ...
2
votes
1answer
61 views

2019: a year in moderation

It's New Year's Day in Stack Exchange land... A distinguishing characteristic of these sites is how they are moderated: We designed the Stack Exchange network engine to be mostly self-regulating, ...
41
votes
5answers
2k views

Squeamish Ossifrage: I'm leaving Crypto.SE indefinitely

I'm leaving Crypto.SE indefinitely. (Also the rest of Stack Exchange, but I'm at best a supporting actor in any other scene on this stage.) I've temporarily withdrawn from SE addiction before. This ...
2
votes
2answers
28 views

Math formatting: Overalapping with side bar

This formatting of this answer seems to overlap with the right sidebar: Is anyone aware how can this be fixed (by, say, forcing MathJax to create a new line) automatically?
5
votes
1answer
69 views

Were those two questions about circular security really duplicates?

The question Does encrypting the key with itself make it easier to crack the ciphertext? was closed/merged with the question Encrypting a key with the same key using AES. However, I do not see a ...
2
votes
1answer
21 views

About the tags hardness-assumption and hard-problem [duplicate]

Could you explain me the difference between these two tags with one example please?
5
votes
1answer
219 views

Should we allow generic questions about block chain?

You may or may not have noticed that BitCoin.SE and Ethereum.SE have narrowed their scope. Nowadays that means that they only accept questions that are about their specific crypto currency and block ...
3
votes
2answers
47 views

Tag purpose: quantum-cryptography

There are currently 98 questions tagged quantum-cryptography. These largely fall into five categories: quantum key distribution, which is the only topic mentioned in the quantum-cryptography tag ...
1
vote
2answers
56 views

Should we edit names and acronyms that are not spelled correctly?

There are many instances where names and acronyms are not spelled right, or where dashes are missing or even introduced. Should we correct them? Examples: Different spellings of ElGamal Spelling of ...
2
votes
2answers
62 views

Is it appropriate or not to post open letter to standardization organizations here on meta or the main site?

I just sent an email to NIST commenting and enquiring about NIST-SP-800-90Ar1. The email has 3 parts: 1) option proliferation, 2) deriving seedlen for DRBGs based on hash functions, and 3) ...
12
votes
3answers
203 views

Congratulations to poncho for earning over 100,000 reputation points!

crypto.se has recently acquired our first 100k rep user! The user poncho has recently passed the 100k reputation marker. This is the first time this has ever happened on our site and as such is a ...
1
vote
3answers
58 views

Do we need rfc7748 tag?

The rfc7748 tag currently has 2 questions with 0 watchers. Do we really need this tag?
-1
votes
1answer
49 views

Chat appears down

It appears Chat is down:
2
votes
2answers
30 views

Do we need SP800 tag

sp800 tag has only 3 questions with no watcher. Do we really need this tag? There is already nist with 117 questions and 4 watchers.
0
votes
2answers
17 views

Tag purpose: optimization

The optimization was created in only in July of this year and has no usage guidance or tag wiki. It has seven questions, most of which are about the colloquial use of the term ‘optimization’ to mean ‘...
2
votes
2answers
35 views

Tag purpose: attack

Cryptography is all about defending against attacks by intelligent adversaries. What purpose does the attack tag serve that is not served by the mere use of Crypto.SE as a medium in the first place? ...
1
vote
2answers
26 views

Tag purpose: forgery

There are 45 questions tagged forgery; nearly all of them are also tagged either mac, signature, or authenticated-encryption, or tagged with a specific scheme like elgamal-signature—see search for ...
5
votes
3answers
164 views

Homework: Hints in comments or answers?

Our current homework policy—for homework questions that demonstrate effort and are not simply copypasta of the exercise—is to leave hints in comments, not in answers. This means that we can't mark ...
1
vote
2answers
56 views

If I'm searching pictures to illustrate some crypto primitives? Can I ask it on th SE?

For example, a good picture to illustrate ZK proofs. Should I ask on the SE? Or in the Meta-SE?
2
votes
3answers
35 views

Do we need separate GHASH, GCM, and AES-GCM tags?

GHASH is used essentially only in AES-GCM. The ghash tag was introduced in late 2018 and applies to only five questions all asked within the span of one week. In contrast, there are over seventy ...
6
votes
4answers
197 views

Should we accept edits by non-authors to put Wikipedia links on phrases?

We have had a number of edits recently that just put Wikipedia links on phrases, in posts that the editor was not the author of. Is this a desirable practice? For example, in https://crypto....
3
votes
2answers
42 views

Why do we have a trust tag?

The trust tag appears to have been introduced in the past two months and has now been applied to three questions with no common theme that I can discern besides the use of the word ‘trust’: Do people ...
3
votes
1answer
43 views

Should hard-problem be made a synonym of hardness-assumption?

Should the tags hard-problem and hardness-assumption be merged or be made synonyms of each other? They are both used for the exact same things (cryptographic hardness assumptions).
3
votes
1answer
28 views

Should keys-size be renamed to key-size?

We have the key-size tag its synonym, key-length. However, there is another tag with a non-negligible number of uses called keys-size. Notice the extraneous s. Should this be renamed to key-size?
8
votes
2answers
70 views

How is the quantum-resistance tag different from the post-quantum-cryptography tag?

The prior thread on Quantum tag reform did not discuss quantum-resistance, and there are many more questions tagged post-quantum-cryptography. The dominant nomenclature seems to be post-quantum, not ...
1
vote
1answer
25 views

Is it possible to retrieve “favourite” questions?

If I put a star on a question, could I retrieve it easily?
1
vote
1answer
51 views

My question or answer was denied

Is my pseudorandom generator difficult to guess the next output? My ask was hold on. Why did my ask hold on? I do not know what I do. Should I ask someone else to translate? If so, who should I ask? ...
1
vote
1answer
46 views

The Pedagogy of Cryptography is not always a Relevant Topic for this Website?

A properly-tagged, significant, and seemingly relevant post--Structure for an introductory course on cryptography?--has been locked as something of historical significance with the explanation that ".....
5
votes
3answers
95 views

Introduce “secp256k1” tag?

Currently, there is no tag for "secp256k1". Given how important Bitcoin has become, it might be time to have such a tag. Doing so would make it easier for users to find and answer secp256k1-related ...
2
votes
4answers
119 views

There is no catch-all off-topic close reason

Most sites have an off-topic close reason stating that the question is not on-topic according to the help center, as a catch-all when the more common specific close reasons aren't relevant. We used to ...
3
votes
2answers
33 views

Is cryptosystem recommendation on-topic?

I'm writing some code that needs to run with as small a footprint as possible, because it's on an embedded device. I want to encrypt its communications. I'm trying to find a good, resource-unintensive ...
3
votes
1answer
39 views

Is it ok to repost my question on another SE site?

Recently I've submitted two questions (see 1 and 2) that are directly related to cryptography, but their understanding is based on maths. I'm afraid that my questions don't receive enough attention ...
2
votes
2answers
45 views

one of my question was deleted

on Sep 28 '18 this question was removed (Which branches of mathematics are most important to understand cryptography?) without any reason, notification, there was not even an email that clarifies why ...
0
votes
3answers
44 views

Introduce “competition” tag

We currently have no competition tag. We however do have a SHA-3-competition tag. Should we introduce a "competition" tag and then convert the SHA-3-competition tags to that tag (together of course ...
9
votes
5answers
285 views

How to Promote Crypto.SE at Crypto Conferences?

Currently (20th - 23rd May 2019) EUROCRYPT 2019 is on-going. It has been confirmed that at least 4 of our more well-known members are there as well as several hundred other participants. Many of whom ...
2
votes
1answer
44 views

How to deal with my unanswered questions?

There are few questions i asked but did not get answers, what is the best procedure to deal with it ? re-posting , re-editing , etc .
5
votes
4answers
148 views

Are we allowed to illustrate questions about cryptographic algorithms with executable code?

According to @Maeher, we are not allowed to illustrate questions on crypto.stackexchange.com with executable code—such questions are permissible only on stackoverflow.com: https://chat.stackexchange....
0
votes
3answers
71 views

inappropriate migrations of crypto questions to stackoverflow

Consider this question: https://stackoverflow.com/questions/56186844/generating-hchacha20-internal-state-with-existant-chacha20-implementation How is that question off topic when reusing blowfish ...
5
votes
1answer
161 views

Is it OK to ask which cryptographic technique has been used?

My question has been put on hold and I would like to understand exactly why and how I can make it better. I have a software engineering background but cryptography is way out of my league, so I ...
1
vote
1answer
34 views

Backticks showing in fenced code

You can now use backticks for code on StackExchange, e.g. this is code between fences! ... which is just ... ...
1
vote
1answer
29 views

Should we change our response to questions asking for recommendations?

Every once in a while (new) users ask for recommendations for learning about cryptography, i.e. this question. These recommendations include: Literature Books Articles PDF Exercises Webpages ...
2
votes
2answers
35 views

What to do with non-specific questions about a specific crypto subject?

This recent question RSA-OAEP Padding scheme is about a specific crypto subject, but does not ask for something specific beyond "suggestions", making it borderline off-topic. I suggested reading an ...
4
votes
1answer
38 views

Should we merge [hybrid] and [hybrid-encryption]?

I just noticed that we the following pair of seemingly duplicate tags: hybrid currently has 20 questions, and a tag wiki that says: Something of mixed origin. In cryptography, typically a cipher ...
4
votes
2answers
76 views

New HNQ update: What kind of questions do set a good example for our site?

As requested, this is the sister thread to New HNQ update: What kind of questions don't set a good example for our site?. See the linked post for context. HNQ is the acronym for Hot Network Questions,...
8
votes
10answers
226 views

New HNQ update: What kind of questions don't set a good example for our site?

Hot Network Questions update There was recently an update to the Hot Network Question feature announced on meta.stackexchange. The following section appears in that post (emphasis mine): ...
9
votes
9answers
259 views

Is a two word answer to a complex question really acceptable?

Recently, I flagged a two word answer from 2015. OP was asking how we know a cryptographic primitive is secure, and the answer contained exactly two words. In fact, the answer was so short that hidden ...
2
votes
2answers
70 views

Do you know a good forum/site to send in your hand cipher

Is there any forum or website on the internet except reddit subs where you can send in your hand cipher to get it analyzed?

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