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cryptography

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laanwj
laanwj commented Nov 25, 2021

I accidentally -torcontrol=1 today (instead of -listenonion=1) and was confused that it was accepted, as the argument needs to be host:port.

Expected outcome would be an error message and exiting.

Useful skills:

  • C++
  • Understanding of bitcoin core's initialization sequence

Want to work on this issue?

For guidance on contributing, please read [CONTRIBUTING.md](http

mattcaswell
mattcaswell commented Jun 10, 2022

Reported by @botovq:

The public API exposes the AFI using X509v3_addr_get_afi(), but doesn't
expose the SAFI. The SAFI can only be fed into the API but not be read
from it. Another unfortunate thing about X509v3_addr_get_afi() is that it
uses the reserved AFI 0 as an in-band error. It does not care about the
reserved AFI 65535.

good first issue help wanted triaged: feature
SkeletalDemise
SkeletalDemise commented Sep 21, 2020

Hey Hackers of this spoopy month! 👻
Welcome to the Ciphey repo(s)!
This issue requires you to add a decoder.

This wiki section walks you through EVERYTHING you need to know, and we've added some more links at the bottom of this issue to detail more about the decoder.
https://github.com/Ciphey/Ciphey/wiki#adding-your-own-crackers--decoders

https://www.dcode.fr/t9-cipher
https://en.wikipe

enhancement good first issue feature_request hacktoberfest
cryptomator
GordianLN
GordianLN commented Jun 6, 2022

Background

Postgresql backend would allow for very fast data access, by directly querying the database with your coding language of choice and a DB driver, instead of using lnd as intermediary with gRPC. This will need previous knowledge of things to look for in the database.
I did open the DB with an explorer, and the contents are... overwhelming to say the least.
I personally have no ad

database good first issue docs
williambanfield
williambanfield commented Jun 7, 2022

The human-readable string representation of a vote against the proposal is a bit confusing. The vote against the proposal, often called a 'nil' vote is rendered as:

"Vote{8:8E7F2C81033C 1002/00/SIGNED_MSG_TYPE_PRECOMMIT(Precommit) 000000000000 6643608E523D @ 2022-06-06T20:51:13.561041284Z}"

with all 000000000000 for the block hash. Votes that are not received in a vote set are render

good first issue
rippled
ximinez
ximinez commented Dec 8, 2021

Issue Description

The instructions provided on failed jobs (example) don't clearly explain where to find the generated patch file. This can be a problem for anyone who is not familiar with how Github Actions pages are organized.

The general idea is:

From the details page, click on "Summary", then scroll down to the "Artifacts" secti

Good First Issue CI Documentation
baldwinmatt
baldwinmatt commented Jun 26, 2020

Problem:

A common pattern is:

GUARD(s2n_stuffer_skip_write(stuffer, bytes_to_write));
uint8_t* ptr = suffer->blob.data + stuffer->write_cursor - bytes_to_write;

which could be simplified.

Solution:

*ptr could be an *out parameter to s2n_stuffer_skip_write

  • Does this change what S2N sends over the wire? No.
  • Does this change any public APIs? No.
good first issue difficulty/beginner CBMC

HElib is an open-source software library that implements homomorphic encryption. It supports the BGV scheme with bootstrapping and the Approximate Number CKKS scheme. HElib also includes optimizations for efficient homomorphic evaluation, focusing on effective use of ciphertext packing techniques and on the Gentry-Halevi-Smart optimizations.

  • Updated Apr 3, 2022
  • C++

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