更改 gpg 密钥密码的问题

更改 gpg 密钥密码的问题

我已将我的 gpg 密钥从创建它们的计算机导出到另一台服务器。

在新服务器中,我尝试使用导入的密钥来解密我收到的一些文件,但出现以下错误:

gpg: encrypted with 1024-bit RSA key, ID 0A83CFB1, created 2014-09-09
      "App Eng <[email protected]>"
gpg: public key decryption failed: Bad passphrase
gpg: decryption failed: No secret key

我确信我使用的密码是正确的。然后我尝试编辑我的密钥并更改密码:

gpg --list-keys

/home/dx/.gnupg/pubring.gpg
-------------------------------
pub   2048R/DB437C11 2016-04-29 [expires: 2018-04-29]
uid       [ unknown] App Eng (ibm keys) <[email protected]>
sub   2048R/0AC6B02C 2016-04-29 [expires: 2018-04-29]

pub   1024R/AADE6532 2014-09-09
uid       [ unknown] App Eng <[email protected]>
sub   1024R/0A83CFB1 2014-09-09

gpg --edit-key AADE6532
gpg (GnuPG) 2.0.28; Copyright (C) 2015 Free Software Foundation, Inc.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Secret key is available.

pub  1024R/AADE6532  created: 2014-09-09  expires: never       usage: SC  
                     trust: unknown       validity: unknown
sub  1024R/0A83CFB1  created: 2014-09-09  expires: never       usage: E   
[ unknown] (1). App Eng <[email protected]>

gpg> passwd
Key is protected.

You need a passphrase to unlock the secret key for
user: "App Eng <[email protected]>"
1024-bit RSA key, ID AADE6532, created 2014-09-09

gpg: cancelled by user
Can't edit this key: Operation cancelled

这让我认为导入密钥存在一些问题。谁能理解为什么我无法使用安装的密钥解密我的文件?谢谢!

答案1

这个链接有答案: https://lists.gnupg.org/pipermail/gnupg-users/2013-April/046559.html

当我对其执行 sudo 时,在此主机上运行应用程序的特殊用户没有适当的 TTY 权限。因此,gpg 无法显示 TTY GUI,只是失败而没有给出真正的原因。为了能够做到这一点,我必须退出 navsrv sudo 会话,并进行以下调用:

chmod o+rw `tty` && sudo -i -u navsrv gpg --edit-key 8267977F

接下来,我输入了 navsrv 登录密码。然后,在 gpg 命令提示符下,当我执行“passwd”时,我得到了输入密码 GUI。

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