Difference between Cryptography and Cryptology

Cryptography is the study of conversion of plain text(readable format) to ciphertext(non-readable format) i.e. encryption. It is also called the study of encryption.

Cryptology, on the other hand, is the study of the conversion of plain text to ciphertext and vice versa. It is also called the study of encryption and decryption.


One major difference is that Cryptology is the parent of Cryptography.

Let’s see the other differences.

Sl no. Cryptography Cryptology
1. Cryptography is the process of conversion of plain text to cipher text. Cryptology Is the process of conversion of plain text to cipher text and vice versa.
2. It is also called the study of encryption It is also called the study of encryption and decryption.
3. It takes place on the sender side It takes place on the sender and receiver side
4. In Cryptography, sender sends the message to receiver. In Cryptology, both sender and receiver send messages to each other.
5. Cryptography can be seen as the child of Cryptology Cryptology can be seen as the parent of Cryptography

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