=pod =head1 NAME pkcs7 - PKCS#7 utility =head1 SYNOPSIS B B [B<-inform PEM|DER>] [B<-outform PEM|DER>] [B<-in filename>] [B<-out filename>] [B<-print_certs>] [B<-text>] [B<-noout>] =head1 DESCRIPTION The B command processes PKCS#7 files in DER or PEM format. =head1 COMMAND OPTIONS =over 4 =item B<-inform DER|PEM> This specifies the input format. B format is DER encoded PKCS#7 v1.5 structure.B (the default) is a base64 encoded version of the DER form with header and footer lines. =item B<-outform DER|PEM> This specifies the output format, the options have the same meaning as the B<-inform> option. =item B<-in filename> This specifies the input filename to read from or standard input if this option is not specified. =item B<-out filename> specifies the output filename to write to or standard output by default. =item B<-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. =item B<-text> prints out certificates details in full rather than just subject and issuer names. =item B<-noout> don't output the encoded version of the PKCS#7 structure (or certificates is B<-print_certs> is set). =back =head1 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 =head1 RESTRICTIONS 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. =head1 SEE ALSO L =cut