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pkcs7(1ssl)

NAME

pkcs7 - PKCS#7 utility

SYNOPSIS

openssl pkcs7 [-inform PEM | DER] [-outform PEM | DER] [-in filename] [-out filename] [-print_certs] [-text] [-noout]

OPTIONS

-informDER|PEM Specifies the input format. The DER format is DER encoded PKCS#7 v1.5 structure. The PEM format (the default) is a base64 encoded version of the DER form with header and footer lines. -outformDER|PEM Specifies the output format. The options have the same meaning as the -inform option. -infilename Specifies the input filename to read from or standard input if this option is not specified. -outfilename Specifies the output filename to write to or standard output by default. -print_certs Prints out any certificates or CRLs contained in the file. They are preceded by their subject and issuer names in one-line format. -text Prints out certificate details in full rather than just subject and issuer names. -noout Does not output the encoded version of the PKCS#7 structure (or certificates if -print_certs is set).

DESCRIPTION

The pkcs7 command processes PKCS#7 files in DER or PEM format.

NOTES

The PEM PKCS#7 format uses the header and footer lines: -----BEGIN PKCS7----- -----END PKCS7----- For compatability with some CAs it will also accept: -----BEGIN CERTIFICATE----- -----END CERTIFICATE-----

RESTRICTIONS

There is no option to print out all the fields of a PKCS#7 file. These PKCS#7 routines only understand PKCS#7 v 1.5 as specified in RFC2315. For example, they cannot currently parse the new CMS as described in RFC2630.

EXAMPLES

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

SEE ALSO

Commands: crl2pkcs7(1ssl)

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