Decryption
Decryption
Decryption (/dɪˈkrɪpʃən/) is the process of converting ciphertext into its original form, known as plaintext. It is a crucial aspect of cryptography, which is the science of secure communication.
Etymology
The term 'decryption' originates from the Latin word 'decryptus', which means 'to uncover' or 'to reveal'. It is a combination of the prefix 'de-', meaning 'down' or 'away', and 'cryptus', meaning 'hidden' or 'secret'.
Process
Decryption involves the use of a decryption key, which is an algorithm that transforms the ciphertext back into its original plaintext form. This key is typically known only to the recipient of the message, ensuring the confidentiality of the information.
Related Terms
- Encryption: The process of converting plaintext into ciphertext to prevent unauthorized access.
- Cipher: An algorithm for performing encryption and decryption.
- Cryptanalysis: The study of analyzing information systems in order to study the hidden aspects of the systems.
- Cryptology: The study of codes, or the art of writing and solving them.
- Cryptosystem: A suite of cryptographic algorithms necessary to implement a particular security service.
See Also
External links
- Medical encyclopedia article on Decryption
- Wikipedia's article - Decryption
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