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132 .\" ========================================================================
135 .TH PKCS7 1 "2009-04-11" "0.9.8k" "OpenSSL"
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141 pkcs7 \- PKCS#7 utility
143 .IX Header "SYNOPSIS"
144 \&\fBopenssl\fR \fBpkcs7\fR
145 [\fB\-inform PEM|DER\fR]
146 [\fB\-outform PEM|DER\fR]
147 [\fB\-in filename\fR]
148 [\fB\-out filename\fR]
149 [\fB\-print_certs\fR]
154 .IX Header "DESCRIPTION"
155 The \fBpkcs7\fR command processes PKCS#7 files in \s-1DER\s0 or \s-1PEM\s0 format.
156 .SH "COMMAND OPTIONS"
157 .IX Header "COMMAND OPTIONS"
158 .IP "\fB\-inform DER|PEM\fR" 4
159 .IX Item "-inform DER|PEM"
160 This specifies the input format. \fB\s-1DER\s0\fR format is \s-1DER\s0 encoded PKCS#7
161 v1.5 structure.\fB\s-1PEM\s0\fR (the default) is a base64 encoded version of
162 the \s-1DER\s0 form with header and footer lines.
163 .IP "\fB\-outform DER|PEM\fR" 4
164 .IX Item "-outform DER|PEM"
165 This specifies the output format, the options have the same meaning as the
166 \&\fB\-inform\fR option.
167 .IP "\fB\-in filename\fR" 4
168 .IX Item "-in filename"
169 This specifies the input filename to read from or standard input if this
170 option is not specified.
171 .IP "\fB\-out filename\fR" 4
172 .IX Item "-out filename"
173 specifies the output filename to write to or standard output by
175 .IP "\fB\-print_certs\fR" 4
176 .IX Item "-print_certs"
177 prints out any certificates or CRLs contained in the file. They are
178 preceded by their subject and issuer names in one line format.
181 prints out certificates details in full rather than just subject and
183 .IP "\fB\-noout\fR" 4
185 don't output the encoded version of the PKCS#7 structure (or certificates
186 is \fB\-print_certs\fR is set).
187 .IP "\fB\-engine id\fR" 4
188 .IX Item "-engine id"
189 specifying an engine (by it's unique \fBid\fR string) will cause \fBreq\fR
190 to attempt to obtain a functional reference to the specified engine,
191 thus initialising it if needed. The engine will then be set as the default
192 for all available algorithms.
194 .IX Header "EXAMPLES"
195 Convert a PKCS#7 file from \s-1PEM\s0 to \s-1DER:\s0
198 \& openssl pkcs7 \-in file.pem \-outform DER \-out file.der
201 Output all certificates in a file:
204 \& openssl pkcs7 \-in file.pem \-print_certs \-out certs.pem
208 The \s-1PEM\s0 PKCS#7 format uses the header and footer lines:
211 \& \-\-\-\-\-BEGIN PKCS7\-\-\-\-\-
212 \& \-\-\-\-\-END PKCS7\-\-\-\-\-
215 For compatibility with some CAs it will also accept:
218 \& \-\-\-\-\-BEGIN CERTIFICATE\-\-\-\-\-
219 \& \-\-\-\-\-END CERTIFICATE\-\-\-\-\-
222 .IX Header "RESTRICTIONS"
223 There is no option to print out all the fields of a PKCS#7 file.
225 This PKCS#7 routines only understand PKCS#7 v 1.5 as specified in \s-1RFC2315\s0 they
226 cannot currently parse, for example, the new \s-1CMS\s0 as described in \s-1RFC2630\s0.
228 .IX Header "SEE ALSO"
229 \&\fIcrl2pkcs7\fR\|(1)