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Weak cryptographic standards deprecation update

Blog post from GitHub

Post Details
Company
Date Published
Author
Patrick Toomey
Word Count
452
Company Posts That Month
16
Language
English
Hacker News Points
-
Post removed?
No
Summary

Earlier this year, GitHub announced plans to deprecate several weak cryptographic standards, including TLSv1, TLSv1.1, diffie-hellman-group1-sha1, and diffie-hellman-group14-sha1, with a target date for disabling these protocols set for February 1, 2018. In preparation, GitHub has enabled the diffie-hellman-group-exchange-sha256 key exchange, which is widely supported and allows most legacy clients to transition away smoothly from outdated algorithms. Despite this, a small percentage of traffic still uses the older key exchanges due to client preferences or lack of support for the newer algorithm, primarily from older versions of a popular Java library, JSch. GitHub is conducting a deeper analysis to identify and assist projects using outdated libraries to ensure a seamless transition before the deprecation deadline.

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