A friend of mine and myself have been in the trade of writing our own encryptions. We were talking about what it means to have a "128-Bit" Encryption and we couldn't exactly figure out what that meant. Our best guess was that "128 bits are encrypted at a time" but we weren't too sure. Anybody have any ideas? Sources would be great.
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2 responses so far ↓
1 rhsaunders // May 12, 2008
This means that the key used to encipher the message is 128 bits long. A key of this length is sufficient to prevent decipherment of the message by using randomly chosen keys. This encryption is considered sufficiently secure to be used for all purposes where secure communication is required.
2 danqualman // May 12, 2008
Using binary bits 0 2 4 8 16 32 64 128 it means that the data bit is 8 bits long . So to decript the data streem you would have to recover the data and then you would have 2 to the 8th power of characters of possiblties to choose from. So the greater number of posibilities of choice the better the encription is. With some of the software out there 128 is just ok. 256 is better 512 is much better. Given time any encryption can be broken.
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