plaintext - meaning and definition. What is plaintext
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What (who) is plaintext - definition

UNENCRYPTED INFORMATION, AS OPPOSED TO INFORMATION ENCRYPTED FOR STORAGE OR TRANSMISSION; USUALLY MEANS UNENCRYPTED INFORMATION PENDING INPUT INTO CRYPTOGRAPHIC ALGORITHMS
Clear message; Cleartext; In clear; Clear text; Unencrypted; En clair

plaintext         
<cryptography> A message before encryption or after decryption, i.e. in its usual form which anyone can read, as opposed to its encrypted form ("ciphertext"). (1995-05-10)
Plaintext         
In cryptography, plaintext usually means unencrypted information pending input into cryptographic algorithms, usually encryption algorithms. This usually refers to data that is transmitted or stored unencrypted.
Plaintext-aware encryption         
Plaintext-awareness; Plaintext aware; Plaintext awareness
Plaintext-awareness is a notion of security for public-key encryption. A cryptosystem is plaintext-aware if it is difficult for any efficient algorithm to come up with a valid ciphertext without being aware of the corresponding plaintext.

Wikipedia

Plaintext

In cryptography, plaintext usually means unencrypted information pending input into cryptographic algorithms, usually encryption algorithms. This usually refers to data that is transmitted or stored unencrypted.