diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | lib/securerandom.rb | 10 |
2 files changed, 14 insertions, 0 deletions
@@ -1,3 +1,7 @@ +Thu Jan 29 12:18:54 2009 Technorama Ltd. <oss-ruby@technorama.net> + + * lib/securerandom.rb: new method SecureRandom#uuid + Thu Jan 29 11:22:19 2009 NAKAMURA Usaku <usa@ruby-lang.org> * ext/socket/raddrinfo.c (inspect_sockaddr): if defined AF_INET6, diff --git a/lib/securerandom.rb b/lib/securerandom.rb index 0de118cb44..0582cee722 100644 --- a/lib/securerandom.rb +++ b/lib/securerandom.rb @@ -167,6 +167,16 @@ module SecureRandom end end + # SecureRandom.uuid generates a v4 random UUID. + def self.uuid + str = self.random_bytes(16) + str[6] = (str[6] & 0x0f) | 0x40 + str[8] = (str[8] & 0x3f) | 0x80 + + ary = str.unpack("NnnnnN") + "%08x-%04x-%04x-%04x-%04x%08x" % ary + end + # Following code is based on David Garamond's GUID library for Ruby. def self.lastWin32ErrorMessage # :nodoc: get_last_error = Win32API.new("kernel32", "GetLastError", '', 'L') |