Decryption transforms ciphertextCiphertext is encrypted text that requires a decryption key to read. Converting ciphertext into readable plaintext requires the appropriate key... to reveal the original plaintextPlaintext is the data that a computer system processes without encryption. Plaintext typically takes the form of characters, numbers, or.... EncryptionEncryption is the process of encoding an original form of information called plaintext using an algorithm called a cipher. The... is the reverse process to decryption.