Paper Info
Title
ChaCha20-Poly1305 authenticated encryption for high-speed embedded IoT applications.
Abstract
The ChaCha20 stream cipher and the Poly1305 authenticator are cryptographic algorithms designed by Daniel J. Bernstein with the aim of ensuring high-security margins, while achieving high performance on a broad range of software platforms. In response to the concerns raised about the reliability of the existing IETF/TLS cipher suite, its performance on software platforms, and the ease to realize secure implementations thereof, the IETF has recently published the RFC7905 and RFC7539 to promote the use and standardization of the ChaCha20 stream cipher and Poly1305 authenticator in the TLS protocol. Most interestingly, the RFC7539 specifies how to combine together the ChaCha20 stream cipher and Poly1305 authenticator to construct an Authenticated Encryption with Associated Data (AEAD) scheme to provide confidentiality, integrity, and authenticity of data. In this work, we present compact, constant-time, and fast implementations of the ChaCha20 stream cipher, Poly1305-ChaCha20 authenticator, and ChaCha20-Poly1305 AEAD scheme for ARM Cortex-M4 processors, aimed at evaluating the suitability of such algorithms for high-speed and lightweight IoT applications, e.g. to deploy fast and secure TLS connections between IoT nodes and remote cloud servers, when AES hardware acceleration capabilities are not available.
Year
Venue
Field
2017
DATE
Computer science,Block cipher mode of operation,Cryptography,Computer network,Encryption,Stream cipher,Hardware acceleration,Cipher suite,Stream cipher attack,Authenticated encryption,Embedded system
DocType
ISSN
Citations 
Conference
1530-1591
0
PageRank 
References 
Authors
0.34
2
3
Name
Order
Citations
PageRank
Fabrizio De Santis18410.44
Andreas Schauer200.34
Georg Sigl344762.13