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SSH keyを4096bitで作成する

LinuxSSHLinuxコマンド
More than 3 years have passed since last update.

SSH keyを4096bitで作成するには？

コマンド

-bオプションで指定

ssh-keygen -t rsa -b 4096

bitが違うとどうなるか？

4096bitになると2048bitの2倍の鍵の種類ができるというわけではない。
1bit増えるごとに2倍になるので
2を2048回かけた分だけ鍵の種類が増える。
よってその分だけ解読しづらくなる。

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