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SSH鍵ファイルいろいろ

Last updated at Posted at 2015-10-25

使うソフトの都合でいろんな形式の鍵ファイルが生じて混乱することがあるのでメモ。

OpenSSH

秘密鍵

  • ~/.ssh/id_rsa
  • /etc/ssh/ssh_host_rsa_key
  • *.pem
  • 等等
-----BEGIN RSA PRIVATE KEY-----
xxxxxxxx
-----END RSA PRIVATE KEY-----

公開鍵

  • ~/.ssh/id_rsa.pub
  • /etc/ssh/ssh_host_rsa_key.pub
  • 等等
ssh-rsa xxxxxxxxxxxxxxx== comment

SECSH (ssh.com)

秘密鍵

---- BEGIN SSH2 ENCRYPTED PRIVATE KEY ----
Comment: "…"
xxxxxxxx
---- END SSH2 ENCRYPTED PRIVATE KEY ----

公開鍵

---- BEGIN SSH2 PUBLIC KEY ----
Comment: "…"
xxxxxxxx
---- END SSH2 PUBLIC KEY ----

PuTTY

秘密鍵

  • *.ppk
PuTTY-User-Key-File-2: ssh-rsa
…
Public-Lines: 4
xxxxxxxx
Private-Lines: 8
xxxxxxxx
Private-MAC: xxxxxxxx

公開鍵

SECSH (ssh.com) と同じ。

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