PyPI · pypi:arc4

arc4 active

A small and insanely fast ARCFOUR (RC4) cipher implementation of Python

The latest stable version of arc4 is 0.5.0, published on 2026-04-05. Verified by Vigia on 2026-11-13.

Latest stable version	0.5.0
Published	2026-04-05 13:22:18 UTC
Install	`pip install --upgrade arc4`
Requires	none declared
License	—
Advisories on latest version	none known
Last verified	2026-11-13 04:20:51 UTC
Sources	pypi.org

Maintenance

Activity	slowing down
Last stable release	2026-04-05 13:22:18 UTC · 221 days ago
Stable releases in the last 12 months	1
Published versions	10

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

Version	Published
`0.5.0`	2026-04-05 13:22:18 UTC
`0.4.0`	2023-04-21 20:05:37 UTC
`0.3.0`	2022-08-19 21:18:11 UTC
`0.2.0`	2022-01-30 16:55:19 UTC
`0.1.1`	2022-01-24 14:49:12 UTC
`0.1.0`	2022-01-23 19:52:37 UTC
`0.0.4`	2020-10-14 17:16:14 UTC
`0.0.3`	2020-10-06 21:56:08 UTC
`0.0.2`	2019-08-17 17:56:46 UTC
`0.0.1`	2018-10-08 14:56:56 UTC

Showing the 10 most recent of 10 versions. JSON

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Frequently asked questions

What is the latest version of arc4?

The latest stable version of arc4 is 0.5.0, published on 2026-04-05. Verified by Vigia on 2026-11-13.

How do I install the latest version of arc4?

Run pip install --upgrade arc4. The latest stable version is 0.5.0 (verified 2026-11-13).

Is arc4 deprecated?

No. arc4 is not marked as deprecated in the registry.

Which Python version does arc4 require?

arc4 0.5.0 does not declare a Python version requirement.

Does arc4 0.5.0 have known vulnerabilities?

No known advisories affect arc4 0.5.0 according to the data Vigia checks.

Is arc4 still maintained?

arc4 published 1 stable releases in the last 12 months; the most recent was 221 days ago. Activity: slowing down.

Observed changes

No changes observed yet since Vigia started tracking this package.

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