How to change the encrypted file icon?
why hash functions are not used for encryption but authentication ?
What are the cfb and ofb modes?
What is the elgamal cryptosystem?
Actual role of cryptography is data security .Explain with real world example?
What is an encryption "key" and what is the importance of key length?
What are the advantages of public-key cryptography compared with secret-key cryptography?
What information can be obtained from encrypted file?
What is public key encryption?
What is public-key cryptography ?
Do digital signatures help detect altered documents and transmission errors?
What is the mceliece cryptosystem?
What is exhaustive key search ?
What are knapsack cryptosystems?
How Encoding is different from Encryption?