Cryptography And Network Security Atul Kahate Ppt [top] -

: One-way functions (like MD5 or SHA) that create a unique "fingerprint" of a message.

Encryption provides confidentiality but does not guarantee that the message was not tampered with. Integrity and authentication require hashing and digital signatures. cryptography and network security atul kahate ppt

An older block cipher that laid the foundation for modern security. : One-way functions (like MD5 or SHA) that

: Hiding the existence of a message within another medium (like an image). Security Goals in Cryptography and CNS | PDF - Scribd cryptography and network security atul kahate ppt