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PKCS7(1)                            OpenSSL                           PKCS7(1)

       pkcs7 - PKCS#7 utility

       ooppeennssssll ppkkccss77 [--iinnffoorrmm PPEEMM||DDEERR] [--oouuttffoorrmm PPEEMM||DDEERR] [--iinn ffiilleennaammee] [--oouutt
       ffiilleennaammee] [--pprriinntt_cceerrttss] [--tteexxtt] [--nnoooouutt] [--eennggiinnee iidd]

       The ppkkccss77 command processes PKCS#7 files in DER or PEM format.

       --iinnffoorrmm DDEERR||PPEEMM
           This specifies the input format. DDEERR format is DER encoded PKCS#7
           v1.5 structure.PPEEMM (the default) is a base64 encoded version of the
           DER form with header and footer lines.

       --oouuttffoorrmm DDEERR||PPEEMM
           This specifies the output format, the options have the same meaning
           as the --iinnffoorrmm option.

       --iinn ffiilleennaammee
           This specifies the input filename to read from or standard input if
           this option is not specified.

       --oouutt ffiilleennaammee
           specifies the output filename to write to or standard output by

           prints out any certificates or CRLs contained in the file. They are
           preceded by their subject and issuer names in one line format.

           prints out certificates details in full rather than just subject
           and issuer names.

           don't output the encoded version of the PKCS#7 structure (or cer-
           tificates is --pprriinntt_cceerrttss is set).

       --eennggiinnee iidd
           specifying an engine (by it's unique iidd string) will cause rreeqq to
           attempt to obtain a functional reference to the specified engine,
           thus initialising it if needed. The engine will then be set as the
           default for all available algorithms.

       Convert a PKCS#7 file from PEM to DER:

        openssl pkcs7 -in file.pem -outform DER -out file.der

       Output all certificates in a file:

        openssl pkcs7 -in file.pem -print_certs -out certs.pem

       The PEM PKCS#7 format uses the header and footer lines:

        -----BEGIN PKCS7-----
        -----END PKCS7-----

       For compatibility with some CAs it will also accept:

        -----BEGIN CERTIFICATE-----
        -----END CERTIFICATE-----

       There is no option to print out all the fields of a PKCS#7 file.

       This PKCS#7 routines only understand PKCS#7 v 1.5 as specified in
       RFC2315 they cannot currently parse, for example, the new CMS as
       described in RFC2630.


3rd Berkeley Distribution           0.9.7a                            PKCS7(1)

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