RSA private key file created with Windows10

[Tomas Mraz]

Hello,
most probably the key is stored in the OpenSSH private key format.
You'll need to use ssh-keygen -p -m PKCS8 to convert the key into a
format that OpenSSL can read.

Tomas Mraz, OpenSSL

On Wed, 2022-10-05 at 15:00 +0900, Imazu Setsuo wrote:
> Hello.
> 
> When I read the RSA private key file created with the ssh-keygen
> command that comes with Windows 10 with the PEM_read_PrivateKey()
> function, the following error occurred.
> 
> error: 0906D06C: lib(9): func(109): reason(108)
> 
> The platform is CentOS7, OpenSSL 3.0.5.
> Is the private key file created with Windows 10 not supported?
> How can I use the private key file created in Windows 10 as well?
> 
> 
> best regards, thank you
> Setsuo Imazu

-- 
Tomáš Mráz, OpenSSL