我的sudo apt update
输出有如下警告:
W: https://ppa.launchpadcontent.net/apandada1/blanket/ubuntu/dists/noble/InRelease: Signature by key 95ACDEBD8BFF99ABE0F26A49A507B2BBA7803E3B uses weak algorithm (rsa1024)
W: https://ppa.launchpadcontent.net/apandada1/foliate/ubuntu/dists/noble/InRelease: Signature by key 95ACDEBD8BFF99ABE0F26A49A507B2BBA7803E3B uses weak algorithm (rsa1024)
W: https://ppa.launchpadcontent.net/apandada1/marker/ubuntu/dists/noble/InRelease: Signature by key 95ACDEBD8BFF99ABE0F26A49A507B2BBA7803E3B uses weak algorithm (rsa1024)
W: https://ppa.launchpadcontent.net/apandada1/numbat/ubuntu/dists/noble/InRelease: Signature by key 95ACDEBD8BFF99ABE0F26A49A507B2BBA7803E3B uses weak algorithm (rsa1024)
W: https://ppa.launchpadcontent.net/apandada1/xournalpp-stable/ubuntu/dists/noble/InRelease: Signature by key 95ACDEBD8BFF99ABE0F26A49A507B2BBA7803E3B uses weak algorithm (rsa1024)
W: https://ppa.launchpadcontent.net/libreoffice/ppa/ubuntu/dists/noble/InRelease: Signature by key 36E81C9267FD1383FCC4490983FBA1751378B444 uses weak algorithm (rsa1024)
W: https://ppa.launchpadcontent.net/mati75/gimp30/ubuntu/dists/noble/InRelease: Signature by key 3D7CDBD93E20A76CCB0B732792E8759D76F09DD6 uses weak algorithm (rsa1024)
W: https://ppa.launchpadcontent.net/mozillateam/ppa/ubuntu/dists/noble/InRelease: Signature by key 0AB215679C571D1C8325275B9BDB3D89CE49EC21 uses weak algorithm (rsa1024)
其中一些是我自己的 PPA(apandada1),我想提高它们的安全性。我该怎么做?我是否必须生成新的 GPG 密钥并使用该密钥对软件包进行签名?
最近我一直在使用 Launchpad 的配方来生成 PPA 包,不再手动构建(然后上传)它们。 在这种情况下,如何解决使用弱算法的密钥问题?
关键甚至没有列在我的 PGP 密钥。它以某种方式由 Launchpad 生成,用于对由 Launchpad 配方生成的包进行签名。