Answer:
The answer is "Option c".
Step-by-step explanation:
Cryptography is a process, in which by using code we encrypt information and communication to be read and processed by only those expected, and the explanation of given option, that were not correct can be described as follows:
- In option a, It is a process that encrypts data within the file, that's why it is not correct.
- In option b, It is used for text encryption, that's why it is not correct.
- In option d, It is a protocol which uses keys for encryption, that's why it is not correct.