Cipher Mining reports strong Q4 results, growing Bitcoin mining revenue. Despite a yearly loss, hedge fund balances rise.

Here's your chance to crack ciphers similar to those Bletchley Park's codebreakers faced during World War II. Below, we present three ciphers of different levels of difficulty, from easiest to ...

To decrypt a double transposition, construct a block with the right number of rows under the keyword, blocking off the short columns. Write the cipher in by columns, and read it out by rows.

It can be programmed to encrypt or decrypt 128-bit blocks of data, using 128-, 192-, or 256-bit cipher-key. An included configurable wrapper surrounds the AES-C core and implements its fixed ...