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Questions tagged [discussion]

The question you're asking is designed to solicit opinions or best-practices on a particular topic, with the goal of reaching community consensus.

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2
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1answer
18 views

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

Could you explain me the difference between these two tags with one example please?
4
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1answer
63 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 ...
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2answers
35 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 ...
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2answers
45 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 ...
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2answers
54 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) ...
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3answers
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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 ...
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3answers
53 views

Do we need rfc7748 tag?

The rfc7748 tag currently has 2 questions with 0 watchers. Do we really need this tag?
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2answers
28 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.
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2answers
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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 ‘...
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2answers
34 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? ...
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2answers
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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 ...
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3answers
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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 ...
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2answers
54 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?
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3answers
34 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 ...
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4answers
194 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....
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3answers
41 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
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1answer
37 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
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1answer
27 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?
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2answers
67 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
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1answer
39 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 ".....
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3answers
93 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 ...
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4answers
117 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 ...
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2answers
32 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
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1answer
36 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
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2answers
44 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 ...
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3answers
42 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 ...
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5answers
280 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
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1answer
41 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 .
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4answers
142 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....
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3answers
67 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
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1answer
159 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
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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
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2answers
34 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
36 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
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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,...
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10answers
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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): ...
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9answers
239 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
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2answers
67 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?
2
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1answer
31 views

Fixing possible errors in a question

This question and that near duplicate ask tree hashing/signing of JSON. They come with JSON examples that are plausible deviations from the standardized syntax (quoting character omitted or changed, ...
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2answers
89 views

Some Ideas to reduce Analyze, help, how to decrypt the ciphertext questions

As all of you may know or notice that many people don't read the tour or the help section to ask questions. We have a lot of Requests for analyzing ciphertext, finding hash preimages, identifying ...
2
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1answer
28 views

Adding a Katz-Lindell Tag or Book-Question Tag or None

As many of you already know, questions from the book of Katz-Lindell, Introduction to Modern Cryptography, asked many times in our site. I want to create a tag for these questions as tag:Katz-Lindell ...
2
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1answer
55 views

What should we do about this poor quality answer?

There is an extremely low-quality answer on the question "Largest integer factored by Shor's algorithm" This answer is clearly poorly received by the community: It sits at -9 score and has received ...
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11answers
374 views

Community Promotion Ads — 2019

2019 is here! And with the new year, as usual, comes a new iteration of Community Promotion Ads! Let’s refresh these for the coming year :) What are Community Promotion Ads? Community Promotion Ads ...
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0answers
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2018: 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, ...
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2answers
140 views

December 2018 Community Moderator Election Results

Cryptography's third moderator election has come to a close, the votes have been tallied and the two new moderators are: They'll be joining the existing crew shortly—please thank them for ...
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4answers
171 views

Are questions asking what [crypto term] is and used for on-topic?

The question What is a Pedersen commitment? was closed as off-topic, with justification that is is a "Requests for literature, software or similar recommendations", when I do not see that it is. I ...
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4answers
188 views

December 2018 Moderator Election Q&A - Questionnaire

In connection with the moderator elections, we are holding a Q&A thread for the candidates. Questions collected from an earlier thread have been compiled into this one, which shall now serve as ...
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0answers
30 views

2018 Community Moderator Election

The 2018 Community Moderator Election is now underway! Community moderator elections have three phases: Nomination phase Primary phase Election phase Most elections take between two and three weeks,...
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10answers
135 views

December 2018 Moderator Election Q&A - Question Collection

Cryptography is scheduled for an election next week, December 3rd. In connection with that, we will be holding a Q&A with the candidates. This will be an opportunity for members of the community ...
3
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1answer
179 views

How to handle “I want to begin with cryptography, but I don't know from where”-type questions?

Every now and then we have such questions from newcomers and this is a perfectly natural question for them. I thought that if we have a central guide (either here on meta or on the main site) here, ...