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add more tips

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grosser committed Jan 26, 2010
1 parent 7944dee commit 87948dd3f382d0288b95ec009c8d5404d40565a3
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  1. +2 −0 README.markdown
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@@ -34,6 +34,8 @@ Usage
### Tips
- If you need multiple UrlStores, just use ` UrlStore.new(:secret => 'sadasd', ...) `
- As long as you stay under 2k chars there should be no problems. [max url lengths per browser/server](http://www.boutell.com/newfaq/misc/urllength.html)
+ - Data is not (yet) encrypted, users could read(but not change) the encoded data
+ - Replay attacks are possible <-> add a timestamp to check the freshness of the encoded data
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