ssh:id_rsa不起作用,但是如果我重命名它,它就可以了

我在〜/ .ssh文件夹中有这个id_rsa.但它只是没有验证.如果我复制它并将其重命名为任何不是id_rsa的东西,它就可以了.

[qfan@mycomputer .ssh]$ls -al id_rsa id_rsa_good
-rw------- 1 qfan qfan 1766 Dec  3 18:35 id_rsa
-rw------- 1 qfan qfan 1766 Nov 20 19:43 id_rsa_good
[qfan@mycomputer .ssh]$sha1sum id_rsa id_rsa_good
8cc7f68170038b184bba0541be7d105bb36f7d11  id_rsa
8cc7f68170038b184bba0541be7d105bb36f7d11  id_rsa_good
[qfan@mycomputer .ssh]$ssh localhost -i id_rsa
qfan@localhost's password: 

[qfan@mycomputer .ssh]$ssh localhost -i id_rsa_good
Enter passphrase for key 'id_rsa_good': 
Last login: Tue Dec  3 18:46:46 2013 from 127.0.0.1
[qfan@mycomputer ~]$exit
logout
Connection to localhost closed.

请注意,“ssh localhost -i id_rsa”失败,ssh开始要求定期密码登录.

我使用了-vvv,这里是日志的差异:

[qfan@mycomputer .ssh]$ssh localhost -i id_rsa_good -vvv 2> log1_good.txt
Enter passphrase for key 'id_rsa_good': 

[qfan@mycomputer .ssh]$ssh localhost -i id_rsa -vvv 2> log2_bad.txt
qfan@localhost's password: 

[qfan@mycomputer .ssh]$diff log1_good.txt log2_bad.txt 
7c7
< debug3: Not a RSA1 key file id_rsa_good.
---
> debug3: Not a RSA1 key file id_rsa.
41c41
< debug1: identity file id_rsa_good type -1
---
> debug1: identity file id_rsa type 1
81,82c81,82
< debug2: dh_gen_key: priv key bits set: 126/256
< debug2: bits set: 533/1024
---
> debug2: dh_gen_key: priv key bits set: 127/256
> debug2: bits set: 503/1024
90c90
< debug2: bits set: 506/1024
---
> debug2: bits set: 539/1024
103c103
< debug2: key: id_rsa_good ((nil))
---
> debug2: key: id_rsa (0x7f953ea96f90)
136,138c136,145
< debug1: Trying private key: id_rsa_good
< debug1: PEM_read_PrivateKey failed
< debug1: read PEM private key done: type <unknown>
---
> debug1: Offering public key: id_rsa
> debug3: send_pubkey_test
> debug2: we sent a publickey packet, wait for reply
> debug3: Wrote 368 bytes for a total of 1477
> debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,password
> debug2: we did not send a packet, disable method
> debug3: authmethod_lookup password
> debug3: remaining preferred: ,password
> debug3: authmethod_is_enabled password
> debug1: Next authentication method: password
[qfan@mycomputer .ssh]$

我也尝试从密钥文件中删除密码,但如果名为id_rsa,它仍然无效.

那么,那里出了什么问题?

– – – -编辑 – – – –

[qfan@mycomputer .ssh]$file id_rsa
id_rsa: ASCII text
[qfan@mycomputer .ssh]$cat id_rsa |head -n2
-----BEGIN RSA PRIVATE KEY-----
Proc-Type: 4,ENCRYPTED
找到原因.我在同一.ssh文件夹中的id_rsa.pub文件是属于不同身份文件的公钥.当id_rsa.pub与id_rsa不匹配时,它会自动失败.删除或移动id_rsa.pub文件使id_rsa工作.
翻译自:https://serverfault.com/questions/558997/ssh-id-rsa-doesnt-work-but-if-i-rename-it-it-works

转载注明原文:ssh:id_rsa不起作用,但是如果我重命名它,它就可以了