https://github.com/averms/xp-getentropy

Cross-platform getentropy.
https://github.com/averms/xp-getentropy

Last synced: about 1 year ago
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Cross-platform getentropy.

• Host: GitHub
• URL: https://github.com/averms/xp-getentropy
• Owner: averms
• License: isc
• Created: 2020-12-04T23:51:37.000Z (over 5 years ago)
• Default Branch: master
• Last Pushed: 2020-12-29T01:00:34.000Z (over 5 years ago)
• Last Synced: 2025-01-26T02:44:28.755Z (over 1 year ago)
• Language: C
• Homepage:
• Size: 85.9 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# getentropy cross-platform

[![builds.sr.ht status](https://builds.sr.ht/~aman/xp-getentropy.svg)](https://builds.sr.ht/~aman/xp-getentropy?)

[![GitHub Actions status](https://github.com/averms/xp-getentropy/workflows/GitHub%20CI/badge.svg)](https://github.com/averms/xp-getentropy/actions)

[![Appveyor status](https://ci.appveyor.com/api/projects/status/75kw22knil3leahx?svg=true)](https://ci.appveyor.com/project/ayofloweshiou/xp-getentropy)

A cross-platform way to get cryptographically-secure random bytes.

**Fortunately, this library has been obsoleted by [POSIX

2024](https://pubs.opengroup.org/onlinepubs/9799919799/functions/getentropy.html)**.

## usage

There is a single function, `xp_getentropy`. It is documented in the header

file [`xp_gentropy.h`](include/xp_getentropy.h).

## platforms

Should work on any platform with a C99 compiler.

Tested on:

- Various Linux distros from kernel 3.10 up to 5.4

- FreeBSD 11.4 and 12.2

- OpenBSD 6.7

- NetBSD 9.1

- DragonflyBSD 5.8.3

- macOS 10.14, 10.15, and 11

- OpenIndiana Hipster 2020.10

- Windows Server 2019 with MSVC 16.8

- Windows Server 2016 with MSVC 15.9

- Cygwin 3.0.7

- Emscripten 2.0.10 (not WASM, just the JS output)

## legal

Parts are copied from LibreSSL Portable under the ISC license. Parts that I

wrote are also distributed under the ISC license. See [LICENSE](LICENSE) file

for details.