1 .\" $NetBSD: libcrypto.pl,v 1.3 2007/11/27 22:16:03 christos Exp $
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134 .\" ========================================================================
137 .TH PKCS7 1 "2009-04-15" "1.1.0-dev" "OpenSSL"
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143 pkcs7 \- PKCS#7 utility
147 .IX Header "SYNOPSIS"
148 \&\fBopenssl\fR \fBpkcs7\fR
149 [\fB\-inform PEM|DER\fR]
150 [\fB\-outform PEM|DER\fR]
151 [\fB\-in filename\fR]
152 [\fB\-out filename\fR]
153 [\fB\-print_certs\fR]
158 .IX Header "DESCRIPTION"
159 The \fBpkcs7\fR command processes PKCS#7 files in \s-1DER\s0 or \s-1PEM\s0 format.
160 .SH "COMMAND OPTIONS"
161 .IX Header "COMMAND OPTIONS"
162 .IP "\fB\-inform DER|PEM\fR" 4
163 .IX Item "-inform DER|PEM"
164 This specifies the input format. \fB\s-1DER\s0\fR format is \s-1DER\s0 encoded PKCS#7
165 v1.5 structure.\fB\s-1PEM\s0\fR (the default) is a base64 encoded version of
166 the \s-1DER\s0 form with header and footer lines.
167 .IP "\fB\-outform DER|PEM\fR" 4
168 .IX Item "-outform DER|PEM"
169 This specifies the output format, the options have the same meaning as the
170 \&\fB\-inform\fR option.
171 .IP "\fB\-in filename\fR" 4
172 .IX Item "-in filename"
173 This specifies the input filename to read from or standard input if this
174 option is not specified.
175 .IP "\fB\-out filename\fR" 4
176 .IX Item "-out filename"
177 specifies the output filename to write to or standard output by
179 .IP "\fB\-print_certs\fR" 4
180 .IX Item "-print_certs"
181 prints out any certificates or CRLs contained in the file. They are
182 preceded by their subject and issuer names in one line format.
185 prints out certificates details in full rather than just subject and
187 .IP "\fB\-noout\fR" 4
189 don't output the encoded version of the PKCS#7 structure (or certificates
190 is \fB\-print_certs\fR is set).
191 .IP "\fB\-engine id\fR" 4
192 .IX Item "-engine id"
193 specifying an engine (by its unique \fBid\fR string) will cause \fBpkcs7\fR
194 to attempt to obtain a functional reference to the specified engine,
195 thus initialising it if needed. The engine will then be set as the default
196 for all available algorithms.
198 .IX Header "EXAMPLES"
199 Convert a PKCS#7 file from \s-1PEM\s0 to \s-1DER:\s0
202 \& openssl pkcs7 \-in file.pem \-outform DER \-out file.der
205 Output all certificates in a file:
208 \& openssl pkcs7 \-in file.pem \-print_certs \-out certs.pem
212 The \s-1PEM\s0 PKCS#7 format uses the header and footer lines:
215 \& \-\-\-\-\-BEGIN PKCS7\-\-\-\-\-
216 \& \-\-\-\-\-END PKCS7\-\-\-\-\-
219 For compatibility with some CAs it will also accept:
222 \& \-\-\-\-\-BEGIN CERTIFICATE\-\-\-\-\-
223 \& \-\-\-\-\-END CERTIFICATE\-\-\-\-\-
226 .IX Header "RESTRICTIONS"
227 There is no option to print out all the fields of a PKCS#7 file.
229 This PKCS#7 routines only understand PKCS#7 v 1.5 as specified in \s-1RFC2315\s0 they
230 cannot currently parse, for example, the new \s-1CMS\s0 as described in \s-1RFC2630\s0.
232 .IX Header "SEE ALSO"
233 \&\fIopenssl_crl2pkcs7\fR\|(1)