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Why does my implementation of CBC mode only decrypt the first block correctly? [closed]
I have the following code that uses a CBC mode to encrypt a text by dividing it to 3-elements block. But it only works correctly on the first block which is xored with the IV.
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How to calculate a key for Hill Cipher? [closed]
I need an easy way to calculate 3X3 key matrix to encrypt a 256 characters text ?
