<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">I meant not "CBOR protocol" (which,  in all likelihood, doesn't and shouldn't exist) but CBOR <u>encoding</u> of X.509 certificates (which, hopefully, does exists).<div><br></div><div>At least, I'm looking for a tool that would convert between these two encodings (DER and CBOR) for specific objects (X.509-conformant certificates).</div><div><br></div><div>Thanks<br><div><br><div dir="ltr">Regards,<div>Uri</div></div><div dir="ltr"><br><blockquote type="cite">On Jan 20, 2021, at 19:26, Kaduk, Ben <bkaduk@akamai.com> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><span>No.  OpenSSL does not include any CBOR protocol support.</span><br><span>I'm also not sure what you mean by "CBOR-encoded certificate"; I don't</span><br><span>know of any such thing other than</span><br><span>https://datatracker.ietf.org/doc/draft-mattsson-cose-cbor-cert-compress/</span><br><span>which is very much still a work in progress.</span><br><span></span><br><span>-Ben</span><br><span></span><br><span>________________________________________</span><br><span>From: Blumenthal, Uri - 0553 - MITLL <uri@ll.mit.edu></span><br><span>Sent: Wednesday, January 20, 2021 4:22 PM</span><br><span>To: openssl-users</span><br><span>Subject: Parsing and generating CBOR certificates?</span><br><span></span><br><span>I need to work with CBOR-encoded certificates. Is there any way to use OpenSSL to parse and/or generate certs in CBOR encoding?</span><br><span></span><br><span>Thanks</span><br><span></span><br><span>Regards,</span><br><span>Uri</span><br></div></blockquote></div></div></body></html>