最終更新:2018-05-25 (金) 22:00:53 (2163d)  

ssh-keygen
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ssh-keygen -t rsa

This will create two files in your (hidden) ~/.ssh directory called id_rsa and id_rsa.pub. id_rsa is your private key and id_rsa.pub is your public key.

パラメータ

  • -t
    • rsa
    • dsa
  • -N パスフレーズ
  • -C "コメント"
  • b 鍵長 (RSAのデフォルトは2048)
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鍵長の確認 

  • ssh-keygen -l -f /path/to/id_rsa.pub
  • -l 公開鍵のフィンガープリントを表示
  • -f ファイルを指定
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メモ

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Ubuntu/パッケージ

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例 

  • $ ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/tokkyo/.ssh/id_rsa):
Created directory '/home/tokkyo/.ssh'.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/tokkyo/.ssh/id_rsa.
Your public key has been saved in /home/tokkyo/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:yn9H5elm/lniuveCjhmN/fnTWI1t/cF445cIXHIk+yA tokkyo@X240
The key's randomart image is:
+---[RSA 2048]----+
|                 |
|           . .   |
|            +    |
|         E + o.  |
|        S o *oo+o|
|     . .   *.o+=*|
|      o   o.+o=+B|
|       .  .+o+B**|
|        ..oo+B=**|
+----[SHA256]-----+



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