Public Watermark and Private Watermark

Explain the difference between :-

i) Text and Ciphertext

ii) RSA and DSA

iii) Safeword and Watchword

iv) Electronic signatures and Digital Signatures

v) Public Watermark and Private Watermark

Security protocols are critical applications, since they are crucial to achieve trusted computing. Do you agree? Explain in detail.

Electronic signatures and Digital Signatures

Security protocols are critical applications, since they are crucial to achieve trusted computing. Do you agree? Explain in detail.

 Symmetric Watermarking

Symmetric Watermarking