In recent years, crypto-currencies (a form of decentralised digital currencies) have been
quite popular as an alternative form of payments. They are underpinned by a breakthrough …

Cryptography is essential for the security of online communication, cars and implanted
medical devices. However, many commonly used cryptosystems will be completely broken …

In recent years, blockchain technology has received unparalleled attention from academia,
industry, and governments all around the world. It is considered a technological …

This paper presents a block cipher that is optimized with respect to latency when
implemented in hardware. Such ciphers are desirable for many future pervasive applications …

This paper introduces a high-security post-quantum stateless hash-based signature scheme
that signs hundreds of messages per second on a modern 4-core 3.5 GHz Intel CPU …

The underlying fundaments of blockchain are cryptography and cryptographic concepts that
provide reliable and secure decentralized solutions. Although many recent papers study the …

This is the second edition of Understanding Cryptography. Ever since we released the first
edition in 2009, we have been humbled by the many positive responses we received from …

We propose a new block cipher LEA, which has 128-bit block size and 128, 192, or 256-bit
key size. It provides a high-speed software encryption on general-purpose processors. Our …

Lightweight cryptography has been one of the" hot topics" in symmetric cryptography in the
recent years. A huge number of lightweight algorithms have been published, standardized …

This paper introduces a new cryptographic library, NaCl, and explains how the design and
implementation of the library avoid various types of cryptographic disasters suffered by …