Ralph C. Merkle
Author Archives
On the security of multiple encryption
Double encryption has been suggested to strengthen the Federal Data Encryption Standard (DES). A recent proposal suggests that using two 56-bit keys but enciphering 3…
Secure communications over insecure channels
According to traditional conceptions of cryptographic security, it is necessary to transmit a key, by secret means, before encrypted massages can be sent securely. This…
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