如何将 ed25519 私钥转换为腻子 ppk?

问题描述

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我想将 ed25519 私钥(由 ssh-keygen 命令生成)转换为 ppk 文件.但我得到了错误.

无法加载私钥(无法识别的密码名称)

有人可以帮我吗?

• 已测试的 openssh 版本:OpenSSH_7.6p1, OpenSSL 1.1.0g 2 Nov 2017 和 OpenSSH_7.6p1, OpenSSL 1.0.2n 2017 年 12 月 7 日(在 CoreOS 上)和 ArchLinux docker 容器)

• 测试的腻子版本:0.70 64bit、0.70 32bit 和 snapshot(在 Windows 10 上)

我的程序如下.

1.生成ed25519私钥

# ssh-keygen -t ed25519 -a 100生成公钥/私钥 ed25519 密钥对.输入保存密钥的文件 (/root/.ssh/id_ed25519):输入密码(空表示没有密码):再次输入相同的密码:您的身份信息已保存在/root/.ssh/id_ed25519 中.您的公钥已保存在/root/.ssh/id_ed25519.pub 中.关键指纹是:SHA256:2HfORujStwmC9c91rmDxMbaV9kVMT70gWxnRXAvNrNU root@f46f23bbad55钥匙的 randomart 图像是:+--[ED25519 256]--+|+X B||.+.@E||+ +.=||哦哦.o.||.S o + +oo||o = = +.=o||.o = B + o||o B = o ||= ...|+----[SHA256]-----+# cat .ssh/id_ed25519-----开始打开SSH私钥-----b3BlbnNzaC1rZXktdjEAAAAACmFlczI1Ni1jdHIAAAAGYmNyeXB0AAAAGAAAABClhk1367G8CQYpo/0c7UShAAAAZAAAAAAEAAAAzAAAAC3NzaC1lZDI1NTE5AAAAIIJiwIymcly4s66pza/IL3ZNyT5CiMPj0R+/LnMDmABUAAAAoMJIakdbIL7TOAmX8n4xGSrtp8mc/Mr6qimZAZzGB7iRhNUXT+isPdf0YuC9mh5NbX43ZYFl+/sWdi2hVmJxbGTwrjaSdNzF3ZnSpi/aVlzFt3bUCtdwhHLaLqy9unw0zPHlfcQsB700GS/bf4VKRmm1+imj3cAldUm2RF3VdI0U9/04yXMj+VBOMevM0i7R/0d6xUFTH3zj99xxeLI2J6A=-----结束OPENSSH私钥-----# cat .ssh/id_ed25519.pubssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIJiwIymcly4s66pza/IL3ZNyT5CiMPj0R+/LnMDmABU root@f46f23bbad55

2.在 windows 上运行 puttygen.exe 并尝试导入 ed25519 私钥 (.ssh/id_ed25519)

无法加载私钥(无法识别的密码名称)

解决方案

2019-03-20 更新:

在撰写本文时，来自 https 的 puttygen 快照://www.chiark.greenend.org.uk/~sgtatham/putty/snapshot.html 似乎支持 0.70 不支持的这些键.更改日志中没有明确提及.

我测试了开发快照2019-01-17.53747ad

I want to convert an ed25519 private key (which is generated by ssh-keygen command) to a ppk file. But I got the error.

Can someone help me?

• tested openssh version: OpenSSH_7.6p1, OpenSSL 1.1.0g 2 Nov 2017 and OpenSSH_7.6p1, OpenSSL 1.0.2n 7 Dec 2017 (on CoreOS and ArchLinux docker container)

• tested putty version: 0.70 64bit, 0.70 32bit and snapshot (on windows 10)

My procedure is as follows.

1. Generate an ed25519 private key

# ssh-keygen -t ed25519 -a 100
Generating public/private ed25519 key pair.
Enter file in which to save the key (/root/.ssh/id_ed25519):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /root/.ssh/id_ed25519.
Your public key has been saved in /root/.ssh/id_ed25519.pub.
The key fingerprint is:
SHA256:2HfORujStwmC9c91rmDxMbaV9kVMT70gWxnRXAvNrNU root@f46f23bbad55
The key's randomart image is:
+--[ED25519 256]--+
|             +X B|
|           . +.@E|
|            + +.=|
|       o   o . o.|
|      . S o + +oo|
|       o = = +.=o|
|      . o = B + o|
|         o B = o |
|            = ...|
+----[SHA256]-----+

# cat .ssh/id_ed25519
-----BEGIN OPENSSH PRIVATE KEY-----
b3BlbnNzaC1rZXktdjEAAAAACmFlczI1Ni1jdHIAAAAGYmNyeXB0AAAAGAAAABClhk1367
G8CQYpo/0c7UShAAAAZAAAAAEAAAAzAAAAC3NzaC1lZDI1NTE5AAAAIIJiwIymcly4s66p
za/IL3ZNyT5CiMPj0R+/LnMDmABUAAAAoMJIakdbIL7TOAmX8n4xGSrtp8mc/Mr6qimZAZ
zGB7iRhNUXT+isPdf0YuC9mh5NbX43ZYFl+/sWdi2hVmJxbGTwrjaSdNzF3ZnSpi/aVlzF
t3bUCtdwhHLaLqy9unw0zPHlfcQsB700GS/bf4VKRmm1+imj3cAldUm2RF3VdI0U9/04yX
Mj+VBOmevM0i7R/0d6xUFTH3zj99xxeLI2J6A=
-----END OPENSSH PRIVATE KEY-----

# cat .ssh/id_ed25519.pub
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIJiwIymcly4s66pza/IL3ZNyT5CiMPj0R+/LnMDmABU root@f46f23bbad55

2. Run puttygen.exe on windows and try to import the ed25519 private key (.ssh/id_ed25519)

解决方案

Update 2019-03-20:https://www.chiark.greenend.org.uk/~sgtatham/putty/releases/0.71.html supports these keys

At the time of writing this, the puttygen snapshot from https://www.chiark.greenend.org.uk/~sgtatham/putty/snapshot.html seems to support these keys where 0.70 did not. It's not explicitly mentioned in the changelog.

I tested Development snapshot 2019-01-17.53747ad

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