1 .\" $NetBSD: openssl_pkcs7.1,v 1.14 2015/06/12 17:01:15 christos Exp $
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135 .\" ========================================================================
138 .TH PKCS7 1 "2009-07-19" "1.0.1n" "OpenSSL"
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144 pkcs7 \- PKCS#7 utility
148 .IX Header "SYNOPSIS"
149 \&\fBopenssl\fR \fBpkcs7\fR
150 [\fB\-inform PEM|DER\fR]
151 [\fB\-outform PEM|DER\fR]
152 [\fB\-in filename\fR]
153 [\fB\-out filename\fR]
154 [\fB\-print_certs\fR]
159 .IX Header "DESCRIPTION"
160 The \fBpkcs7\fR command processes PKCS#7 files in \s-1DER\s0 or \s-1PEM\s0 format.
161 .SH "COMMAND OPTIONS"
162 .IX Header "COMMAND OPTIONS"
163 .IP "\fB\-inform DER|PEM\fR" 4
164 .IX Item "-inform DER|PEM"
165 This specifies the input format. \fB\s-1DER\s0\fR format is \s-1DER\s0 encoded PKCS#7
166 v1.5 structure.\fB\s-1PEM\s0\fR (the default) is a base64 encoded version of
167 the \s-1DER\s0 form with header and footer lines.
168 .IP "\fB\-outform DER|PEM\fR" 4
169 .IX Item "-outform DER|PEM"
170 This specifies the output format, the options have the same meaning as the
171 \&\fB\-inform\fR option.
172 .IP "\fB\-in filename\fR" 4
173 .IX Item "-in filename"
174 This specifies the input filename to read from or standard input if this
175 option is not specified.
176 .IP "\fB\-out filename\fR" 4
177 .IX Item "-out filename"
178 specifies the output filename to write to or standard output by
180 .IP "\fB\-print_certs\fR" 4
181 .IX Item "-print_certs"
182 prints out any certificates or CRLs contained in the file. They are
183 preceded by their subject and issuer names in one line format.
186 prints out certificates details in full rather than just subject and
188 .IP "\fB\-noout\fR" 4
190 don't output the encoded version of the PKCS#7 structure (or certificates
191 is \fB\-print_certs\fR is set).
192 .IP "\fB\-engine id\fR" 4
193 .IX Item "-engine id"
194 specifying an engine (by its unique \fBid\fR string) will cause \fBpkcs7\fR
195 to attempt to obtain a functional reference to the specified engine,
196 thus initialising it if needed. The engine will then be set as the default
197 for all available algorithms.
199 .IX Header "EXAMPLES"
200 Convert a PKCS#7 file from \s-1PEM\s0 to \s-1DER:\s0
203 \& openssl pkcs7 \-in file.pem \-outform DER \-out file.der
206 Output all certificates in a file:
209 \& openssl pkcs7 \-in file.pem \-print_certs \-out certs.pem
213 The \s-1PEM\s0 PKCS#7 format uses the header and footer lines:
216 \& \-\-\-\-\-BEGIN PKCS7\-\-\-\-\-
217 \& \-\-\-\-\-END PKCS7\-\-\-\-\-
220 For compatibility with some CAs it will also accept:
223 \& \-\-\-\-\-BEGIN CERTIFICATE\-\-\-\-\-
224 \& \-\-\-\-\-END CERTIFICATE\-\-\-\-\-
227 .IX Header "RESTRICTIONS"
228 There is no option to print out all the fields of a PKCS#7 file.
230 This PKCS#7 routines only understand PKCS#7 v 1.5 as specified in \s-1RFC2315\s0 they
231 cannot currently parse, for example, the new \s-1CMS\s0 as described in \s-1RFC2630.\s0
233 .IX Header "SEE ALSO"
234 \&\fIopenssl_crl2pkcs7\fR\|(1)