RC4 Encryption
As previously mentioned, RC4 is an encryption algorithm used to scramble data so completely that it would take years to decipher using current technology. What makes RC4 so powerful is its speed and strength. To analyze RC4, we must first begin with some definitions.
Algorithm
An algorithm is an explicit set of instructions that have a defined starting and ending point. For example, the instructions you would follow to set up a VCR are considered an algorithm (although some might argue this). In reality, you perform algorithmic steps all the time. Everything from starting a car to baking a cake can be defined by an algorithm.
Cryptology (Encryption/Decryption)
Cryptology is the study of encryption and decryption algorithms. ...
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