SecNote

the secure online note

Here you can securely store information online. The information you add will be encrypted at the client side and then stored on the server. This means that all encryption and decryption is done on your computer: even we can't read your data without your secret passphrase.

Q&A

Is the encryption safe?
Yes, AES is one of the most secure encryptions currently available. Therefore, this is the easy and secure way to store multiple passwords or special information behind two passwords (your account at Infosnel.nl and your secret passphrase).
Can you read my information?
No, not even if I wanted to. The information is encrypted before it is sent to the server.
Why do I need an account?
The account makes sure that your data is kept on the server and that we know which block of encrypted data is yours. There simply is no other way to seperate them because they all look like random data.
Even if I would say yes, you shouldn't. If you have the knowledge, read the Javascript code and sniff packets of your connection to see what data is going where: you will find that even if I tried, I can't read your information without your second password (you need the first to login). However, if you find any security bugs, please contact me.
Will you tell me exactly how it works?
Sure, just keep reading...

Technical details

Using a Javascript implementation of MD5 and AES (Rijndael cypher) the text is encrypted at the client-side and then stored in the database using your Infosnel.nl user id. After entering text and a password, the MD5 of the password is then used as the key. The text is then encrypted using AES and then posted to the server. The server will never see your unencrypted information.

Last update: 2007-01-24
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