SSH Key Rotation with the POSIX Shell - Sunset Nears for Elderly Keys

Posted by Scott_Ruecker on Dec 8, 2021 2:22 AM EDT
Linux Journal; By Charles Fisher
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OpenBSD has recently stressed to us the value of key rotation by their use of “Signify” distribution release signatures. We have realized that SSH keys should also rotate, to reduce the risk of powerful keys that fall into the wrong hands which become “the gift that keeps on giving.” There have always been open questions on the retirement of SSH keys. These questions have grown in volume and many are joining the advocacy for SSH certificate authorities.

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