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132 .TH CRL 1 "2018-11-20" "1.1.1a" "OpenSSL"
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134 .\" way too many mistakes in technical documents.
138 openssl\-crl, crl \- CRL utility
140 .IX Header "SYNOPSIS"
141 \&\fBopenssl\fR \fBcrl\fR
143 [\fB\-inform PEM|DER\fR]
144 [\fB\-outform PEM|DER\fR]
146 [\fB\-in filename\fR]
147 [\fB\-out filename\fR]
148 [\fB\-nameopt option\fR]
154 [\fB\-CAfile file\fR]
157 .IX Header "DESCRIPTION"
158 The \fBcrl\fR command processes \s-1CRL\s0 files in \s-1DER\s0 or \s-1PEM\s0 format.
163 Print out a usage message.
164 .IP "\fB\-inform DER|PEM\fR" 4
165 .IX Item "-inform DER|PEM"
166 This specifies the input format. \fB\s-1DER\s0\fR format is \s-1DER\s0 encoded \s-1CRL\s0
167 structure. \fB\s-1PEM\s0\fR (the default) is a base64 encoded version of
168 the \s-1DER\s0 form with header and footer lines.
169 .IP "\fB\-outform DER|PEM\fR" 4
170 .IX Item "-outform DER|PEM"
171 This specifies the output format, the options have the same meaning and default
172 as the \fB\-inform\fR option.
173 .IP "\fB\-in filename\fR" 4
174 .IX Item "-in filename"
175 This specifies the input filename to read from or standard input if this
176 option is not specified.
177 .IP "\fB\-out filename\fR" 4
178 .IX Item "-out filename"
179 Specifies the output filename to write to or standard output by
183 Print out the \s-1CRL\s0 in text form.
184 .IP "\fB\-nameopt option\fR" 4
185 .IX Item "-nameopt option"
186 Option which determines how the subject or issuer names are displayed. See
187 the description of \fB\-nameopt\fR in \fIx509\fR\|(1).
188 .IP "\fB\-noout\fR" 4
190 Don't output the encoded version of the \s-1CRL.\s0
193 Output a hash of the issuer name. This can be use to lookup CRLs in
194 a directory by issuer name.
195 .IP "\fB\-hash_old\fR" 4
197 Outputs the \*(L"hash\*(R" of the \s-1CRL\s0 issuer name using the older algorithm
198 as used by OpenSSL before version 1.0.0.
199 .IP "\fB\-issuer\fR" 4
201 Output the issuer name.
202 .IP "\fB\-lastupdate\fR" 4
203 .IX Item "-lastupdate"
204 Output the lastUpdate field.
205 .IP "\fB\-nextupdate\fR" 4
206 .IX Item "-nextupdate"
207 Output the nextUpdate field.
208 .IP "\fB\-CAfile file\fR" 4
209 .IX Item "-CAfile file"
210 Verify the signature on a \s-1CRL\s0 by looking up the issuing certificate in
212 .IP "\fB\-CApath dir\fR" 4
213 .IX Item "-CApath dir"
214 Verify the signature on a \s-1CRL\s0 by looking up the issuing certificate in
215 \&\fBdir\fR. This directory must be a standard certificate directory: that
216 is a hash of each subject name (using \fBx509 \-hash\fR) should be linked
220 The \s-1PEM CRL\s0 format uses the header and footer lines:
223 \& \-\-\-\-\-BEGIN X509 CRL\-\-\-\-\-
224 \& \-\-\-\-\-END X509 CRL\-\-\-\-\-
227 .IX Header "EXAMPLES"
228 Convert a \s-1CRL\s0 file from \s-1PEM\s0 to \s-1DER:\s0
231 \& openssl crl \-in crl.pem \-outform DER \-out crl.der
234 Output the text form of a \s-1DER\s0 encoded certificate:
237 \& openssl crl \-in crl.der \-inform DER \-text \-noout
241 Ideally it should be possible to create a \s-1CRL\s0 using appropriate options
244 .IX Header "SEE ALSO"
245 \&\fIcrl2pkcs7\fR\|(1), \fIca\fR\|(1), \fIx509\fR\|(1)
247 .IX Header "COPYRIGHT"
248 Copyright 2000\-2018 The OpenSSL Project Authors. All Rights Reserved.
250 Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use
251 this file except in compliance with the License. You can obtain a copy
252 in the file \s-1LICENSE\s0 in the source distribution or at
253 <https://www.openssl.org/source/license.html>.