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135 .\" ========================================================================
136 .\"
137 .IX Title "CRL 1"
138 .TH CRL 1 "2014-08-10" "1.0.1n" "OpenSSL"
139 .\" For nroff, turn off justification. Always turn off hyphenation; it makes
140 .\" way too many mistakes in technical documents.
141 .if n .ad l
142 .nh
143 .SH "NAME"
144 crl \- CRL utility
145 .SH "LIBRARY"
146 libcrypto, -lcrypto
147 .SH "SYNOPSIS"
148 .IX Header "SYNOPSIS"
149 \&\fBopenssl\fR \fBcrl\fR
150 [\fB\-inform PEM|DER\fR]
151 [\fB\-outform PEM|DER\fR]
152 [\fB\-text\fR]
153 [\fB\-in filename\fR]
154 [\fB\-out filename\fR]
155 [\fB\-nameopt option\fR]
156 [\fB\-noout\fR]
157 [\fB\-hash\fR]
158 [\fB\-issuer\fR]
159 [\fB\-lastupdate\fR]
160 [\fB\-nextupdate\fR]
161 [\fB\-CAfile file\fR]
162 [\fB\-CApath dir\fR]
163 .SH "DESCRIPTION"
164 .IX Header "DESCRIPTION"
165 The \fBcrl\fR command processes \s-1CRL\s0 files in \s-1DER\s0 or \s-1PEM\s0 format.
166 .SH "COMMAND OPTIONS"
167 .IX Header "COMMAND OPTIONS"
168 .IP "\fB\-inform DER|PEM\fR" 4
169 .IX Item "-inform DER|PEM"
170 This specifies the input format. \fB\s-1DER\s0\fR format is \s-1DER\s0 encoded \s-1CRL\s0
171 structure. \fB\s-1PEM\s0\fR (the default) is a base64 encoded version of
172 the \s-1DER\s0 form with header and footer lines.
173 .IP "\fB\-outform DER|PEM\fR" 4
174 .IX Item "-outform DER|PEM"
175 This specifies the output format, the options have the same meaning as the
176 \&\fB\-inform\fR option.
177 .IP "\fB\-in filename\fR" 4
178 .IX Item "-in filename"
179 This specifies the input filename to read from or standard input if this
180 option is not specified.
181 .IP "\fB\-out filename\fR" 4
182 .IX Item "-out filename"
183 specifies the output filename to write to or standard output by
184 default.
185 .IP "\fB\-text\fR" 4
186 .IX Item "-text"
187 print out the \s-1CRL\s0 in text form.
188 .IP "\fB\-nameopt option\fR" 4
189 .IX Item "-nameopt option"
190 option which determines how the subject or issuer names are displayed. See
191 the description of \fB\-nameopt\fR in \fIopenssl_x509\fR\|(1).
192 .IP "\fB\-noout\fR" 4
193 .IX Item "-noout"
194 don't output the encoded version of the \s-1CRL.\s0
195 .IP "\fB\-hash\fR" 4
196 .IX Item "-hash"
197 output a hash of the issuer name. This can be use to lookup CRLs in
198 a directory by issuer name.
199 .IP "\fB\-hash_old\fR" 4
200 .IX Item "-hash_old"
201 outputs the \*(L"hash\*(R" of the \s-1CRL\s0 issuer name using the older algorithm
202 as used by OpenSSL versions before 1.0.0.
203 .IP "\fB\-issuer\fR" 4
204 .IX Item "-issuer"
205 output the issuer name.
206 .IP "\fB\-lastupdate\fR" 4
207 .IX Item "-lastupdate"
208 output the lastUpdate field.
209 .IP "\fB\-nextupdate\fR" 4
210 .IX Item "-nextupdate"
211 output the nextUpdate field.
212 .IP "\fB\-CAfile file\fR" 4
213 .IX Item "-CAfile file"
214 verify the signature on a \s-1CRL\s0 by looking up the issuing certificate in
215 \&\fBfile\fR
216 .IP "\fB\-CApath dir\fR" 4
217 .IX Item "-CApath dir"
218 verify the signature on a \s-1CRL\s0 by looking up the issuing certificate in
219 \&\fBdir\fR. This directory must be a standard certificate directory: that
220 is a hash of each subject name (using \fBx509 \-hash\fR) should be linked
221 to each certificate.
222 .SH "NOTES"
223 .IX Header "NOTES"
224 The \s-1PEM CRL\s0 format uses the header and footer lines:
225 .PP
226 .Vb 2
227 \& \-\-\-\-\-BEGIN X509 CRL\-\-\-\-\-
228 \& \-\-\-\-\-END X509 CRL\-\-\-\-\-
229 .Ve
230 .SH "EXAMPLES"
231 .IX Header "EXAMPLES"
232 Convert a \s-1CRL\s0 file from \s-1PEM\s0 to \s-1DER:\s0
233 .PP
234 .Vb 1
235 \& openssl crl \-in crl.pem \-outform DER \-out crl.der
236 .Ve
237 .PP
238 Output the text form of a \s-1DER\s0 encoded certificate:
239 .PP
240 .Vb 1
241 \& openssl crl \-in crl.der \-text \-noout
242 .Ve
243 .SH "BUGS"
244 .IX Header "BUGS"
245 Ideally it should be possible to create a \s-1CRL\s0 using appropriate options
246 and files too.
247 .SH "SEE ALSO"
248 .IX Header "SEE ALSO"
249 \&\fIopenssl_crl2pkcs7\fR\|(1), \fIopenssl_ca\fR\|(1), \fIopenssl_x509\fR\|(1)