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105 lines
2.2 KiB
105 lines
2.2 KiB
=pod |
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=head1 NAME |
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pkcs7 - PKCS#7 utility |
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=head1 SYNOPSIS |
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B<openssl> B<pkcs7> |
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[B<-inform PEM|DER>] |
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[B<-outform PEM|DER>] |
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[B<-in filename>] |
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[B<-out filename>] |
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[B<-print_certs>] |
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[B<-text>] |
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[B<-noout>] |
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[B<-engine id>] |
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=head1 DESCRIPTION |
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The B<pkcs7> command processes PKCS#7 files in DER or PEM format. |
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=head1 COMMAND OPTIONS |
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=over 4 |
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=item B<-inform DER|PEM> |
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This specifies the input format. B<DER> format is DER encoded PKCS#7 |
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v1.5 structure.B<PEM> (the default) is a base64 encoded version of |
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the DER form with header and footer lines. |
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=item B<-outform DER|PEM> |
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This specifies the output format, the options have the same meaning as the |
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B<-inform> option. |
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=item B<-in filename> |
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This specifies the input filename to read from or standard input if this |
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option is not specified. |
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=item B<-out filename> |
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specifies the output filename to write to or standard output by |
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default. |
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=item B<-print_certs> |
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prints out any certificates or CRLs contained in the file. They are |
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preceded by their subject and issuer names in one line format. |
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=item B<-text> |
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prints out certificates details in full rather than just subject and |
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issuer names. |
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=item B<-noout> |
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don't output the encoded version of the PKCS#7 structure (or certificates |
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is B<-print_certs> is set). |
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=item B<-engine id> |
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specifying an engine (by its unique B<id> string) will cause B<pkcs7> |
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to attempt to obtain a functional reference to the specified engine, |
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thus initialising it if needed. The engine will then be set as the default |
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for all available algorithms. |
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=back |
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=head1 EXAMPLES |
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Convert a PKCS#7 file from PEM to DER: |
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openssl pkcs7 -in file.pem -outform DER -out file.der |
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Output all certificates in a file: |
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openssl pkcs7 -in file.pem -print_certs -out certs.pem |
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=head1 NOTES |
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The PEM PKCS#7 format uses the header and footer lines: |
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-----BEGIN PKCS7----- |
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-----END PKCS7----- |
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For compatibility with some CAs it will also accept: |
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-----BEGIN CERTIFICATE----- |
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-----END CERTIFICATE----- |
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=head1 RESTRICTIONS |
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There is no option to print out all the fields of a PKCS#7 file. |
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This PKCS#7 routines only understand PKCS#7 v 1.5 as specified in RFC2315 they |
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cannot currently parse, for example, the new CMS as described in RFC2630. |
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=head1 SEE ALSO |
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L<crl2pkcs7(1)|crl2pkcs7(1)> |
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=cut
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