One Time Pad Via Lychrel Number and Elliptic Curve

One of the most secure classical ciphers is the One Time Pad (OTP). But the drawback of this cipher is the inconvenient key to be used and to be maintained by the receiving party in order to recover the transmitted message. Also, the fact that the key-size is equal or of the same order as the messagesize, puts a limit on the size of the message to be transmitted. This limits the capability of OTP by forcing this scheme to be used only for transmitting extremely short messages like passwords [1]. Because of the extremely good cryptographic security provided to the messages, it is desirable to extend OTP to large messages as well. This paper discusses a technique where public key and the private key are generated with help of a Lychrel number and an Elliptic curve algorithm over a finite field [2]. The Algorithm has the nature of a OTP and also supports the encryption of longer messages.