(→How can Bob decrypt the message?) |
(→Can Eve decrypt the message without finding the inverse of the secret matrix?) |
||
| Line 4: | Line 4: | ||
==Can Eve decrypt the message without finding the inverse of the secret matrix?== | ==Can Eve decrypt the message without finding the inverse of the secret matrix?== | ||
| + | |||
| + | |||
| + | ==What is the decrypted message corresponding to (2,23,3)?== | ||
Revision as of 00:58, 19 September 2008
How can Bob decrypt the message?
Bob can divide the encrypted message into smaller vectors of 3 elements each. Then, multiply each of these vectors by the inverse of the encryption matrix and reassemble the resulting vectors into the original matrix.
