Possible to add decoder for openssh key format.

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Hi,

I've written code to decode the openssh_key format. It detects the header, 
and if its
"-----BEGIN OPENSSH PRIVATE KEY-----", it reads the data between header and 
footer and start processing that. If this header is not found, it calls 
OSSL_DECODER_CTX_new_for_pkey(&spk, "PEM", NULL, NULL, EVP_PKEY_KEYPAIR, 
NULL, NULL) and OSSL_DECODER_from_bio.

It works, different files of different schemes are read succesfully.

Is it possible to add a decoder (a custom decoder) to read the openssh key 
format, so I do not have to open the file using an fd, check for the 
openssh header, if not found open it using BIO. I've read about OSSL_DECODER_CTX_add_decoder, 
but I need an example here.

Thanks,
Stef

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<div>Hi,</div><div><br /></div><div>I've written code to decode the openssh=
_key format. It detects the header, and if its</div><div>"-----BEGIN OPENSS=
H PRIVATE KEY-----", it reads the data between header and footer and start =
processing that. If this header is not found, it calls OSSL_DECODER_CTX_new=
_for_pkey(&amp;spk, "PEM", NULL, NULL, EVP_PKEY_KEYPAIR, NULL, NULL) and OS=
SL_DECODER_from_bio.</div><div><br /></div><div>It works, different files o=
f different schemes are read succesfully.</div><div><br /></div><div>Is it =
possible to add a decoder (a custom decoder) to read the openssh key format=
, so I do not have to open the file using an fd, check for the openssh head=
er, if not found open it using BIO. I've read about=C2=A0<span><span>OSSL_D=
ECODER_CTX_add_decoder, but I need an example here.</span></span></div><div=
><br /></div><div>Thanks,</div><div>Stef</div>

<p></p>

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