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SHA-1 certificate deprecation policy by Google

    • Updated:
    • 20 Jan 2015
    • Product/Version:
    • Deep Security for Web Apps 2.0
    • Trend Micro SSL 2.0
    • Platform:
    • N/A N/A
Summary
This article discusses the SHA-1 deprecation policy by Google. Find out if this policy affects certificates issued by Trend Micro.
Details
Public
In 2013, Microsoft announced that it would deprecate SHA-1 certificates in January 2017. Most certificate authorities like Trend Micro began implementing a program to move customers from SHA-1 certificates to SHA-256 certificates by the end of 2016.
However, this timeline was recently accelerated with an announcement from Google that it would stop supporting SHA-1 certificates a year earlier - January 1, 2016. This move intends to force certificate users to start moving to SHA-256 certificates as soon as possible. Currently, no other independent browser or application is following Google’s example. Mozilla has announced it will follow the Microsoft timeline.
Google has announced the following timeline. You may also check the Chromium release calendar:
Chrome release 39, September 26, 2014 – Will not affect Trend Micro customers
  • All SHA-1 certificates expiring after December 31, 2016 will display degraded HTTPS feedback in the address bar.
Chrome release 40, November 7, 2014 – Will affect Trend Micro customers
  • All SHA-1 certificates expiring after June 1, 2016 will display degraded HTTPS feedback in the address bar. Affects Trend Micro 2-year certificates issued on or after June 1, 2014.
Chrome release 41, January 12, 2015 – Will affect Trend Micro customers
  • All SHA-1 certificates expiring after December 31, 2015 will display degraded HTTPS feedback in the address bar
In response to this recent change, Trend Micro has accelerated its SHA-256 support plans. On October 14, 2014, we will release full support for SHA-256 certificates.
To know if this change affects you, download the following documentation: Deprecation of SHA-1 Certificates.
Premium
Internal
Rating:
Category:
Configure; Install
Solution Id:
1105104
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