How to verify a .cms-file?

Keine Eile keine-eile at
Wed Feb 9 16:20:59 UTC 2022

Hi list members,

I got a file 'document.pdf' and a 'document_pdf.cms. Using 'openssl pkcs7'. It seems to be DER encoded and I can extract multiple certs, a CA, an intermediate and a signer's certificate. I have tried some variants of 'openssl cms -verify', but most end with a
Error reading S/MIME message
139979872399808:error:0D0D40D1:asn1 encoding routines:SMIME_read_ASN1:no content type:../crypto/asn1/asn_mime.c:391:
Some idea?


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