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ctsrc
Pgen
Rust2018–2024
ctsrc / Pgen

Pgen

Command-line passphrase generator

3Distinct people
19Mentions
0Explicit recommenders
144GitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

Command-line passphrase generator

GitHub

Where it is used

No documented product use has been verified yet.

What people are saying

No recommendation phrase was found in the indexed comments.

No classified warning is attached to this page. Read the discussions before treating silence as approval.

Also in these discussions

No other repository is repeatedly linked in the same discussions.

This week on Hacker News

Nov 8–Nov 15 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/15/2026, 9:02:44 AM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by year19 dated mentions

Observed mentions: 2018-02-21 20:38:15 UTC to 2024-03-13 11:08:45 UTC.

024682018-01-01 00:00:00 UTC to 2019-01-01 00:00:00 UTC (exclusive): 4 mentions; 1 submissions, 3 comments20182019-01-01 00:00:00 UTC to 2020-01-01 00:00:00 UTC (exclusive): 3 mentions; 0 submissions, 3 comments2020-01-01 00:00:00 UTC to 2021-01-01 00:00:00 UTC (exclusive): 2 mentions; 0 submissions, 2 comments2021-01-01 00:00:00 UTC to 2022-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments20212022-01-01 00:00:00 UTC to 2023-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2023-01-01 00:00:00 UTC to 2024-01-01 00:00:00 UTC (exclusive): 8 mentions; 2 submissions, 6 comments2024-01-01 00:00:00 UTC to 2025-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2024

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
20182018-01-01 00:00:00 UTC2019-01-01 00:00:00 UTC413
20192019-01-01 00:00:00 UTC2020-01-01 00:00:00 UTC303
20202020-01-01 00:00:00 UTC2021-01-01 00:00:00 UTC202
20212021-01-01 00:00:00 UTC2022-01-01 00:00:00 UTC000
20222022-01-01 00:00:00 UTC2023-01-01 00:00:00 UTC101
20232023-01-01 00:00:00 UTC2024-01-01 00:00:00 UTC826
20242024-01-01 00:00:00 UTC2025-01-01 00:00:00 UTC101

What Hacker News says

8 sources
This xkcd comic has been instrumental to me. I wrote a command-line utility a couple of years ago that I use myself regularly to generate secure and memorable passwords https://github.com/ctsrc/Pgen With this tool you can also see how many bits of entropy the passphrase generation settings you are using will result in. For example, generating a 5 word passphrase using the long wordlist pgen -l -n 5 will yield a passphrase like: joyous embolism outsider evasion mashed And when we ask the tool for the entropy with these settings pgen -l -n 5 -e it will tell us: Current settings will create passphrases with 64.62 bits of entropy. And hey, if you have reason to not trust the randomness capabilities of the program or your computer guess what :) My program supports the use of physical dice to generate your password. Have a l
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ook, try it out yourselves :D https://github.com/ctsrc/Pgen
In Milk Sad Disclosure
Around 2011 I set up full disk encryption for the first time. The systems I did this on were some second hand computers that I had bought and installed FreeBSD on. The systems were very stable. Too stable! They were running for several weeks until one day when there was a power outage. When power came back I booted the machines up again and I promptly realised that I was not entirely sure about what the convoluted password I had chosen for full disk encryption was exactly. I lost quite a bit of data that day. It taught me to stop with silly 5|_|1357:7|_|7:0|\|5 and to use long passphrases instead. This ensures high entropy without the possibility of forgetting symbols chosen, because there are no symbols to remember. It also taught me to frequently reboot my computers, so that I remember the passphrases to decrypt the disks. I have a tool
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that I wrote and which I actively use myself for generating passphrases, it’s called Pgen and it’s open source at https://github.com/ctsrc/Pgen
In Ask HN: When was the last time you lost data?
Interesting points and I agree. Makes me wonder if I should’ve picked a different name for my passphrase generator. I named it “Pgen” and I use it several times per month. https://github.com/ctsrc/Pgen Perhaps “passblazer” or something would have been a better name :thinking: Unfortunately, it’s not really possible to rename it at this point :/ Oh well, maybe some other time I can come up with a creative name for a project instead of an overly descriptive name :)
In Names are not descriptions; descriptions are not names
My greatest accomplishments on GitHub are my projects that I actively use myself, and which other people are using as well. The prime example of this is my Pgen project. https://github.com/ctsrc/Pgen Pgen is a passphrase generator that uses the EFF wordlists for random passphrases. A typical passphrase generated with Pgen looks like: oxford antelope veteran thorn dastardly gem tripod upfront avocado femur moisture sacrifice Pgen is written in Rust. Browse my GitHub profile to see some other projects as well, including my “repotools” project which is very small but super useful and I invoke the repotools commands many times every day. I also have my zshrc on GitHub, the main selling-point of which is the way I have set up my PS1 prompt. It uses different emojis for different machines and adds some extra white space. The emojis are useful b
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ecause for a long time I sometimes found it difficult to quickly identify which terminal is logged into which host when I have many terminals open some of which are connected to ssh. Having the hostname in the prompt is nice and all but when you have a handful of terminals or more it’s not very distinct. Coloured emojis take small space and make each host distinct. Vertical spacing between each command invocation makes it more comfortable to read scroll back and more quick to scan.
In Ask HN: What's your greatest achievement on GitHub?

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