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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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23 .TH mk-ca-bundle 1 "24 Oct 2016" "version 1.27" "mk-ca-bundle manual"
24 .SH NAME
25 mk-ca-bundle \- convert mozilla's certdata.txt to PEM format
26 .SH SYNOPSIS
27 mk-ca-bundle [options]
28 .I [outputfile]
29 .SH DESCRIPTION
30 The mk-ca-bundle tool downloads the certdata.txt file from Mozilla's source
31 tree over HTTPS, then parses certdata.txt and extracts certificates into PEM
32 format. By default, only CA root certificates trusted to issue SSL server
33 authentication certificates are extracted. These are then processed with the
34 OpenSSL commandline tool to produce the final ca-bundle file.
35
36 The default \fIoutputfile\fP name is \fBca-bundle.crt\fP. By setting it to '-'
37 (a single dash) you will get the output sent to STDOUT instead of a file.
38
39 The PEM format this scripts uses for output makes the result readily available
40 for use by just about all OpenSSL or GnuTLS powered applications, such as
41 curl, wget and more.
42 .SH OPTIONS
43 The following options are supported:
44 .IP -b
45 backup an existing version of \fIoutputfilename\fP
46 .IP "-d [name]"
47 specify which Mozilla tree to pull certdata.txt from (or a custom URL). Valid
48 names are: aurora, beta, central, mozilla, nss, release (default). They are
49 shortcuts for which source tree to get the cert data from.
50 .IP -f
51 force rebuild even if certdata.txt is current (Added in version 1.17)
52 .IP -i
53 print version info about used modules
54 .IP -k
55 Allow insecure data transfer. By default (since 1.27) this command will fail
56 if the HTTPS transfer fails. This overrides that decision (and opens for
57 man-in-the-middle attacks).
58 .IP -l
59 print license info about certdata.txt
60 .IP -m
61 (Added in 1.26) Include meta data comments in the output. The meta data is
62 specific information about each certificate that is stored in the original
63 file as comments and using this option will make those comments get passed on
64 to the output file. The meta data is not parsed in any way by mk-ca-bundle.
65 .IP -n
66 no download of certdata.txt (to use existing)
67 .IP "-p [purposes]:[levels]"
68 list of Mozilla trust purposes and levels for certificates to include in output.
69 Takes the form of a comma separated list of purposes, a colon, and a comma
70 separated list of levels. The default is to include all certificates trusted
71 to issue SSL Server certificates (SERVER_AUTH:TRUSTED_DELEGATOR).
72
73 (Added in version 1.21, Perl only)
74
75 Valid purposes are:
76 .RS
77 ALL, DIGITAL_SIGNATURE, NON_REPUDIATION, KEY_ENCIPHERMENT,
78 DATA_ENCIPHERMENT, KEY_AGREEMENT, KEY_CERT_SIGN, CRL_SIGN,
79 SERVER_AUTH (default), CLIENT_AUTH, CODE_SIGNING, EMAIL_PROTECTION,
80 IPSEC_END_SYSTEM, IPSEC_TUNNEL, IPSEC_USER, TIME_STAMPING, STEP_UP_APPROVED
81 .RE
82 .IP
83 Valid trust levels are:
84 .RS
85 ALL, TRUSTED_DELEGATOR (default), NOT_TRUSTED, MUST_VERIFY_TRUST, TRUSTED
86 .RE
87 .IP -q
88 be really quiet (no progress output at all)
89 .IP -t
90 include plain text listing of certificates
91 .IP "-s [algorithms]"
92 comma separated list of signature algorithms with which to hash/fingerprint
93 each certificate and output when run in plain text mode.
94
95 (Added in version 1.21, Perl only)
96
97 Valid algorithms are:
98 .RS
99 ALL, NONE, MD5 (default), SHA1, SHA256, SHA384, SHA512
100 .RE
101 .IP -u
102 unlink (remove) certdata.txt after processing
103 .IP -v
104 be verbose and print out processed CAs
105 .SH EXIT STATUS
106 Returns 0 on success. Returns 1 if it fails to download data.
107 .SH CERTDATA FORMAT
108 The file format used by Mozilla for this trust information seems to be documented here:
109 .nf
110 https://p11-glue.freedesktop.org/doc/storing-trust-policy/storing-trust-existing.html
111 .fi
112 .SH SEE ALSO
113 .BR curl (1)
114 .SH HISTORY
115 \fBmk-ca-bundle\fP is a command line tool that is shipped as part of every
116 curl and libcurl release (see https://curl.haxx.se/). It was originally based
117 on the parse-certs script written by Roland Krikava and was later much
118 improved by Guenter Knauf. This manual page was initially written by Jan
119 Schaumann \&<jschauma@netmeister.org>.