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Related papers: One Time Pad and the Short Key Dream

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A process for the secure transmission of data is presented that has to a certain degree the advantages of the one-time pad (OTP) cipher, that is, simplicity, speed, and information-theoretically security, but overcomes its fundamental…

Cryptography and Security · Computer Science 2016-08-22 Uwe Starossek

One-time-pad (OTP) encryption simply cannot be cracked, even by a quantum computer. The need of sharing in a secure way supplies of symmetric random keys turned the method almost obsolete as a standing-alone method for fast and large volume…

Cryptography and Security · Computer Science 2015-07-10 Geraldo A. Barbosa , Jeroen van de Graaf

A one-time program (OTP) works as follows: Alice provides Bob with the implementation of some function. Bob can have the function evaluated exclusively on a single input of his choosing. Once executed, the program will fail to evaluate on…

Cryptography and Security · Computer Science 2019-07-02 Lianying Zhao , Joseph I. Choi , Didem Demirag , Kevin R. B. Butler , Mohammad Mannan , Erman Ayday , Jeremy Clark

A one-time pad (OTP) based cipher to insure both data protection and integrity when mobile code arrives to a remote host is presented. Data protection is required when a mobile agent could retrieve confidential information that would be…

Cryptography and Security · Computer Science 2007-05-23 Igor Sobrado

I present a method for generating one-time pads from the digits of pi. Computer code is given to generate such pads from passphrases in a method having an extremely low probability (<10^-53) of a successful discovery of the one-time pads by…

Other Computer Science · Computer Science 2021-03-17 Devlin Gualtieri

One-time programs (OTPs) aim to let a user evaluate a program on a single input while revealing nothing else. Classical OTPs require hardware assumptions, and even with quantum information, OTPs for deterministic functionalities remain…

Cryptography and Security · Computer Science 2026-03-03 Aparna Gupte , Jiahui Liu , Luowen Qian , Justin Raizes , Bhaskar Roberts , Mark Zhandry

In this letter, we prove that the perfectly secure One-Time Pad (OTP) encryption can be seen as finding the initial condition on the binary map under a random switch based on the perfectly random pad. This turns out to be a special case of…

Chaotic Dynamics · Physics 2008-03-04 Nithin Nagaraj , Prabhakar G. Vaidya

Among the problems to guarantee secrecy for in-transit information, the difficulties involved in renewing cryptographic keys in a secure way using couriers, the perfect secrecy encryption method known as One-Time-Pad (OTP) became almost…

Cryptography and Security · Computer Science 2020-06-02 Geraldo A Barbosa

In 1949, Shannon proved the perfect secrecy of the Vernam cryptographic system,also popularly known as the One-Time Pad (OTP). Since then, it has been believed that the perfectly random and uncompressible OTP which is transmitted needs to…

Cryptography and Security · Computer Science 2007-05-23 Nithin Nagaraj , Vivek Vaidya , Prabhakar G Vaidya

Secure communication is the cornerstone of modern infrastructures, yet achieving unconditional security -resistant to any computational attack- remains a fundamental challenge. The One-Time Pad (OTP), proven by Shannon to offer perfect…

One-time programs (Goldwasser, Kalai and Rothblum, CRYPTO 2008) are functions that can be run on any single input of a user's choice, but not on a second input. Classically, they are unachievable without trusted hardware, but the…

Cryptography and Security · Computer Science 2025-08-29 Aparna Gupte , Jiahui Liu , Justin Raizes , Bhaskar Roberts , Vinod Vaikuntanathan

The meteoric rise in power and popularity of machine learning models dependent on valuable training data has reignited a basic tension between the power of running a program locally and the risk of exposing details of that program to the…

Quantum Physics · Physics 2025-01-03 Sam Gunn , Ramis Movassagh

Shannon's perfect-secrecy theorem states that a perfect encryption system that yields zero information to the adversary must be a one-time pad (OTP) with the keys randomly generated and never reused. In this work we design the first…

Quantum Physics · Physics 2025-01-23 Zixuan Hu , Zhenyu Li

One-time memories (OTM's) are simple tamper-resistant cryptographic devices, which can be used to implement one-time programs, a very general form of software protection and program obfuscation. Here we investigate the possibility of…

Quantum Physics · Physics 2014-02-19 Yi-Kai Liu

A Time-lock puzzle (TLP) sends information into the future: a predetermined number of sequential computations must occur (i.e., a predetermined amount of time must pass) to retrieve the information, regardless of parallelization. Buoyed by…

Cryptography and Security · Computer Science 2023-10-20 Arup Mondal , Ruthu Hulikal Rooparaghunath , Debayan Gupta

When elementary quantum systems, such as polarized photons, are used to transmit digital information, the uncertainty principle gives rise to novel cryptographic phenomena unachievable with traditional transmission media, e.g. a…

Quantum Physics · Physics 2020-03-31 Charles H. Bennett , Gilles Brassard , Seth Breidbart

One-time pad encrypted files can be sent through Internet channels using current Internet protocols. However, the need for renewing shared secret keys make this method unpractical. This work shows how users can use a fast physical random…

Quantum Physics · Physics 2007-05-23 Geraldo A. Barbosa

One-time programs are modelled after a black box that allows a single evaluation of a function, and then self-destructs. Because software can, in principle, be copied, general one-time programs exists only in the hardware token model: it…

Quantum Physics · Physics 2013-09-27 Anne Broadbent , Gus Gutoski , Douglas Stebila

One-time programs, computer programs which self-destruct after being run only once, are a powerful building block in cryptography and would allow for new forms of secure software distribution. However, ideal one-time programs have been…

A while ago, I developed what I called an encryption method. The most favorable of reviews did not see a method but a collection of techniques. Be that as it may, the process used, is described in the paper, Windtalking Computers. This…

Cryptography and Security · Computer Science 2013-06-04 Givon Zirkind
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