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Protected and private from prying eyes |
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Features: Security |
AllenPort protects your data by:
- Storing it in at least 3 different locals 100s of miles away from each other
- Making your files invisible when you aren't logged in
AllenPort keeps your data private by:
- Encrypting all your files before copying them to our servers
- Making sure only you have the decryption key
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Detailed description |
| Your computer |
The Internet |
AllenPort's Server |
Securing a file for your own use:
(Note: This is a particularly detailed and technical explanation of how AllenPort handles security.)
Every time you create a file, AllenPort does the following:
On your system, we create a randomly generated "shared" key that will be uniquely associated with this file. We use that key to encrypt the file with the same level of security as the US government uses for its top secret documents (256 bits).
We then take that file's shared key and encrypt it using your public key. Your public key is half of a public/private pair of keys that is unique to you and generated on your computer based on information you have supplied to AllenPort. Your private half of the key never leaves your local computer.
We then... |
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...upload both the encrypted file and the encrypted version of the file's shared key.
The only version of a file AllenPort ever receives is encrypted in this fashion so that no one on our side can read your data. |
| The next time you need to get the file from AllenPort, such as when you are updating another computer, we... |
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...download both the encrypted file and the encrypted version of the file's shared key. |
Your system uses your private key to decrypt the file's shared key. One of AllenPort's primary security points is that a file encrypted with a public key must be decrypted using the matching private key. The public key cannot be used to decrypt files.
Once your system has decrypted the file's shared key, the shared key is used to decrypt the file itself. Now the file is visible on your local system.
Sharing a file securely:
The reason AllenPort uses a complicated scheme of public, private, and shared keys is so users may share files securely.
The steps for sharing a file are the same as for securing a file for your own use, plus the addition of one step...
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...for each person on the shared distribution list, AllenPort sends you his public key. |
| Your system uses each person's public key to encrypt the file's shared key. If you have 10 people on the distribution list, your system will encrypt the shared key 10 different times and then your system... |
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...sends the encrypted keys to our server. |
| When one of the people on your distribution list appropriately identifies himself and asks for one of the shared files... |
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...we download both the encrypted file and the file's shared key that has been encrypted by the user's public key. |
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The reader's system then uses the reader's private key to decrypt the file's shared key. The decrypted shared key is used to decrypt the file so the user can see it in the clear.
In this way, each person on the distribution list is able to see your encrypted file, but only people who are on the distribution list have this capability. |
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