The key also contains a(a) Plaintext(b) Ciphertext(c) Plaintext & Ciphertext(d) None of the mentionedI have been asked this question in an interview for job.I need to ask this question from Cipher Systems and Secrecy of Cipher Systems topic in division Spread Spectrum Techniques of Digital Communications

The key also contains a(a) Plaintext(b) Ciphertext(c) Plaintext & Ciph

1.	The key also contains a(a) Plaintext(b) Ciphertext(c) Plaintext & Ciphertext(d) None of the mentionedI have been asked this question in an interview for job.I need to ask this question from Cipher Systems and Secrecy of Cipher Systems topic in division Spread Spectrum Techniques of Digital Communications
Answer» The correct ANSWER is (c) Plaintext & Ciphertext The EXPLANATION: The KEY is supplied along with a plaintext message for ENCRYPTION and cipher text message for decryption.

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