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124 .\" ========================================================================
127 .TH PKCS7 1 "2014-04-07" "1.0.1g" "OpenSSL"
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133 pkcs7 \- PKCS#7 utility
135 .IX Header "SYNOPSIS"
136 \&\fBopenssl\fR \fBpkcs7\fR
137 [\fB\-inform PEM|DER\fR]
138 [\fB\-outform PEM|DER\fR]
139 [\fB\-in filename\fR]
140 [\fB\-out filename\fR]
141 [\fB\-print_certs\fR]
146 .IX Header "DESCRIPTION"
147 The \fBpkcs7\fR command processes PKCS#7 files in \s-1DER\s0 or \s-1PEM\s0 format.
148 .SH "COMMAND OPTIONS"
149 .IX Header "COMMAND OPTIONS"
150 .IP "\fB\-inform DER|PEM\fR" 4
151 .IX Item "-inform DER|PEM"
152 This specifies the input format. \fB\s-1DER\s0\fR format is \s-1DER\s0 encoded PKCS#7
153 v1.5 structure.\fB\s-1PEM\s0\fR (the default) is a base64 encoded version of
154 the \s-1DER\s0 form with header and footer lines.
155 .IP "\fB\-outform DER|PEM\fR" 4
156 .IX Item "-outform DER|PEM"
157 This specifies the output format, the options have the same meaning as the
158 \&\fB\-inform\fR option.
159 .IP "\fB\-in filename\fR" 4
160 .IX Item "-in filename"
161 This specifies the input filename to read from or standard input if this
162 option is not specified.
163 .IP "\fB\-out filename\fR" 4
164 .IX Item "-out filename"
165 specifies the output filename to write to or standard output by
167 .IP "\fB\-print_certs\fR" 4
168 .IX Item "-print_certs"
169 prints out any certificates or CRLs contained in the file. They are
170 preceded by their subject and issuer names in one line format.
173 prints out certificates details in full rather than just subject and
175 .IP "\fB\-noout\fR" 4
177 don't output the encoded version of the PKCS#7 structure (or certificates
178 is \fB\-print_certs\fR is set).
179 .IP "\fB\-engine id\fR" 4
180 .IX Item "-engine id"
181 specifying an engine (by its unique \fBid\fR string) will cause \fBpkcs7\fR
182 to attempt to obtain a functional reference to the specified engine,
183 thus initialising it if needed. The engine will then be set as the default
184 for all available algorithms.
186 .IX Header "EXAMPLES"
187 Convert a PKCS#7 file from \s-1PEM\s0 to \s-1DER:\s0
190 \& openssl pkcs7 \-in file.pem \-outform DER \-out file.der
193 Output all certificates in a file:
196 \& openssl pkcs7 \-in file.pem \-print_certs \-out certs.pem
200 The \s-1PEM\s0 PKCS#7 format uses the header and footer lines:
203 \& \-\-\-\-\-BEGIN PKCS7\-\-\-\-\-
204 \& \-\-\-\-\-END PKCS7\-\-\-\-\-
207 For compatibility with some CAs it will also accept:
210 \& \-\-\-\-\-BEGIN CERTIFICATE\-\-\-\-\-
211 \& \-\-\-\-\-END CERTIFICATE\-\-\-\-\-
214 .IX Header "RESTRICTIONS"
215 There is no option to print out all the fields of a PKCS#7 file.
217 This PKCS#7 routines only understand PKCS#7 v 1.5 as specified in \s-1RFC2315\s0 they
218 cannot currently parse, for example, the new \s-1CMS\s0 as described in \s-1RFC2630\s0.
220 .IX Header "SEE ALSO"
221 \&\fIcrl2pkcs7\fR\|(1)