Decryption | communications | Britannica (original) (raw)

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comparison with data encryption

• In data encryption
  Conversely, decryption, or decipherment, is the process of converting ciphertext back into its original format. Manual encryption has been used since Roman times, but the term has become associated with the disguising of information via electronic computers. Encryption is a process basic to cryptology.
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principles of cryptology

• 
  In cryptology: General considerations
  …the key, is known as decryption.
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