222 lines
6.5 KiB
Groff
222 lines
6.5 KiB
Groff
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.\" ========================================================================
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.\"
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.IX Title "PKCS7 1"
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.TH PKCS7 1 "2014-01-06" "1.0.1f" "OpenSSL"
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.\" way too many mistakes in technical documents.
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.if n .ad l
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.nh
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.SH "NAME"
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pkcs7 \- PKCS#7 utility
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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\&\fBopenssl\fR \fBpkcs7\fR
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[\fB\-inform PEM|DER\fR]
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[\fB\-outform PEM|DER\fR]
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[\fB\-in filename\fR]
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[\fB\-out filename\fR]
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[\fB\-print_certs\fR]
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[\fB\-text\fR]
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[\fB\-noout\fR]
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[\fB\-engine id\fR]
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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The \fBpkcs7\fR command processes PKCS#7 files in \s-1DER\s0 or \s-1PEM\s0 format.
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.SH "COMMAND OPTIONS"
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.IX Header "COMMAND OPTIONS"
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.IP "\fB\-inform DER|PEM\fR" 4
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.IX Item "-inform DER|PEM"
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This specifies the input format. \fB\s-1DER\s0\fR format is \s-1DER\s0 encoded PKCS#7
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v1.5 structure.\fB\s-1PEM\s0\fR (the default) is a base64 encoded version of
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the \s-1DER\s0 form with header and footer lines.
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.IP "\fB\-outform DER|PEM\fR" 4
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.IX Item "-outform DER|PEM"
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This specifies the output format, the options have the same meaning as the
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\&\fB\-inform\fR option.
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.IP "\fB\-in filename\fR" 4
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.IX Item "-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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.IP "\fB\-out filename\fR" 4
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.IX Item "-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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.IP "\fB\-print_certs\fR" 4
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.IX Item "-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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.IP "\fB\-text\fR" 4
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.IX Item "-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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.IP "\fB\-noout\fR" 4
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.IX Item "-noout"
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don't output the encoded version of the PKCS#7 structure (or certificates
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is \fB\-print_certs\fR is set).
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.IP "\fB\-engine id\fR" 4
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.IX Item "-engine id"
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specifying an engine (by its unique \fBid\fR string) will cause \fBpkcs7\fR
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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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.SH "EXAMPLES"
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.IX Header "EXAMPLES"
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Convert a PKCS#7 file from \s-1PEM\s0 to \s-1DER:\s0
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.PP
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.Vb 1
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\& openssl pkcs7 \-in file.pem \-outform DER \-out file.der
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.Ve
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.PP
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Output all certificates in a file:
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.PP
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.Vb 1
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\& openssl pkcs7 \-in file.pem \-print_certs \-out certs.pem
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.Ve
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.SH "NOTES"
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.IX Header "NOTES"
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The \s-1PEM\s0 PKCS#7 format uses the header and footer lines:
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.PP
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.Vb 2
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\& \-\-\-\-\-BEGIN PKCS7\-\-\-\-\-
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\& \-\-\-\-\-END PKCS7\-\-\-\-\-
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.Ve
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.PP
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For compatibility with some CAs it will also accept:
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.PP
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.Vb 2
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\& \-\-\-\-\-BEGIN CERTIFICATE\-\-\-\-\-
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\& \-\-\-\-\-END CERTIFICATE\-\-\-\-\-
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.Ve
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.SH "RESTRICTIONS"
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.IX Header "RESTRICTIONS"
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There is no option to print out all the fields of a PKCS#7 file.
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.PP
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This PKCS#7 routines only understand PKCS#7 v 1.5 as specified in \s-1RFC2315\s0 they
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cannot currently parse, for example, the new \s-1CMS\s0 as described in \s-1RFC2630\s0.
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.SH "SEE ALSO"
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.IX Header "SEE ALSO"
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\&\fIcrl2pkcs7\fR\|(1)
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