Your definitions of encryption and decryption are somewhat incorrent. What you are describing is encoding and decoding, yet encryption encodes data using a cipher, making it unreadable for those who don't know (or crack) the cipher.
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Your definitions of encryption and decryption are somewhat incorrent. What you are describing is encoding and decoding, yet encryption encodes data using a cipher, making it unreadable for those who don't know (or crack) the cipher.