How to get all certs into a .der file.

[Blumenthal, Uri - 0553 - MITLL]

As far as I know, CURL (app and library) is perfectly happy to use a text file comprised of concatenated PEM certificates. 

I really wonder if there’s a real use case. 

On May 22, 2020, at 18:49, Salz, Rich via openssl-users <openssl-users at openssl.org> wrote:


application/pkix-pkipath
Defined in RFC4366 (section 8) and RFC6066 (section 10.1)
 
I doubt that it is worth doing this.  First, because OpenSSL doesn’t support it now, then CURL (what the original poster was talking about) can’t use it when using OpenSSL.  Instead, as others have pointed out, they should use a text file that has a bunch of PEM blobs concatenated.
 
Do we know any application that needs this?
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