aboutsummaryrefslogtreecommitdiffstats
path: root/lib/securerandom.rb
diff options
context:
space:
mode:
Diffstat (limited to 'lib/securerandom.rb')
-rw-r--r--lib/securerandom.rb8
1 files changed, 3 insertions, 5 deletions
diff --git a/lib/securerandom.rb b/lib/securerandom.rb
index 0582cee722..e317c4c459 100644
--- a/lib/securerandom.rb
+++ b/lib/securerandom.rb
@@ -169,11 +169,9 @@ module SecureRandom
# 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")
+ ary = self.random_bytes(16).unpack("NnnnnN")
+ ary[2] = (ary[2] & 0x0fff) | 0x4000
+ ary[3] = (ary[3] & 0x3fff) | 0x8000
"%08x-%04x-%04x-%04x-%04x%08x" % ary
end