1UUID::URandom(3) User Contributed Perl Documentation UUID::URandom(3)
2
3
4
6 UUID::URandom - UUIDs based on /dev/urandom or the Windows Crypto API
7
9 version 0.001
10
12 use UUID::URandom qw/create_uuid/;
13
14 my $uuid = create_uuid();
15
17 This module provides a portable, secure generator of RFC-4122
18 <https://tools.ietf.org/html/rfc4122> version 4 (random) UUIDs. It is
19 a thin wrapper around Crypt::URandom to set the UUID version and
20 variant bits required by the RFC.
21
23 No functions are exported by default.
24
26 create_uuid
27 my $uuid = create_uuid();
28
29 # "\x95\x5a\xe4\x96\x8b\xb2\x45\x0b\x9c\x7e\x99\xf5\x01\xdf\x90\xfe"
30
31 This returns a new UUID as a 16 byte 'binary' string.
32
33 create_uuid_hex
34 my $uuid = create_uuid_hex();
35
36 # "955ae4968bb2450b9c7e99f501df90fe"
37
38 This returns a new UUID as a 32-byte hexadecimal string.
39
40 create_uuid_string
41 my $uuid = create_uuid_string();
42
43 # "955ae496-8bb2-450b-9c7e-99f501df90fe"
44
45 This returns a new UUID in the 36-byte RFC-4122 canonical string
46 representation. (N.B. The canonical representation is lower-case.)
47
49 The underlying Crypt::URandom is believed to be fork and thread safe.
50
52 There are a number of other modules that provide version 4 UUIDs. Many
53 rely on insecure or non-crypto-strength random number generators.
54
55 · Data::GUID::Any
56
57 · Data::UUID::LibUUID
58
59 · UUID
60
61 · UUID::Tiny
62
63 · Data::UUID::MT
64
66 Bugs / Feature Requests
67 Please report any bugs or feature requests through the issue tracker at
68 <https://github.com/dagolden/UUID-URandom/issues>. You will be
69 notified automatically of any progress on your issue.
70
71 Source Code
72 This is open source software. The code repository is available for
73 public review and contribution under the terms of the license.
74
75 <https://github.com/dagolden/UUID-URandom>
76
77 git clone https://github.com/dagolden/UUID-URandom.git
78
80 David Golden <dagolden@cpan.org>
81
83 This software is Copyright (c) 2018 by David Golden.
84
85 This is free software, licensed under:
86
87 The Apache License, Version 2.0, January 2004
88
89
90
91perl v5.30.1 2020-01-30 UUID::URandom(3)