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DSA 与 RSA：如何区分

发布于 2024-11-06 18:06:07 字数 73 浏览 0 评论 0原文

是否有人可以使用工具来区分 RSA 公钥与 DSA 公钥？我有两个 SSH .pub 文件，我需要知道它们是 RSA 还是 DSA。

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原来分手还会想你 2024-11-13 18:06:07

您可以使用 ssh-keygen 获取指纹并从 .pub 文件中输入：

ssh-keygen -lf id_rsa.pub

You can use ssh-keygen to get a fingerprint and type out of a .pub file:

ssh-keygen -lf id_rsa.pub

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人│生佛魔见 2024-11-13 18:06:07

正如另一个答案中所述，由于文件是 SSH.COM 格式，因此您可以转换为 openssh 格式，然后打开文件以检查 ssh-dsa 或 ssh-rsa ：

To convert your SSH.COM key to OpenSSH format use:

ssh-keygen -i -f ssh_key.pub

From the ssh-keygen manpage

 -i   This option will read an unencrypted private (or public) key
      file in SSH2-compatible format and print an OpenSSH
      compatible private (or public) key to stdout.  ssh-keygen
      also reads the `SECSH Public Key File Format'.  This option
      allows importing keys from several commercial SSH
      implementations.
 -f  Specifies the filename of the key file.

来源：http://landru.uwaterloo.ca/cgi-bin/wiki.pl?OpenSSH_-_SSH.Com_Interoperability

As noted in the other answer, since the file is in SSH.COM format, you can convert to openssh format and just open the file to check for ssh-dsa or ssh-rsa:

To convert your SSH.COM key to OpenSSH format use:

ssh-keygen -i -f ssh_key.pub

From the ssh-keygen manpage

 -i   This option will read an unencrypted private (or public) key
      file in SSH2-compatible format and print an OpenSSH
      compatible private (or public) key to stdout.  ssh-keygen
      also reads the `SECSH Public Key File Format'.  This option
      allows importing keys from several commercial SSH
      implementations.
 -f  Specifies the filename of the key file.

Source: http://landru.uwaterloo.ca/cgi-bin/wiki.pl?OpenSSH_-_SSH.Com_Interoperability

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