# Ascon > family of authenticated ciphers **Wikidata**: [Q116757386](https://www.wikidata.org/wiki/Q116757386) **Wikipedia**: [English](https://en.wikipedia.org/wiki/Ascon_(cipher)) **Source**: https://4ort.xyz/entity/ascon ## Summary Ascon is a family of authenticated ciphers developed by Graz University of Technology in Austria, designed to provide both encryption and authentication for data security. It represents a portfolio of cryptographic algorithms optimized for lightweight and resource-constrained environments, and has been recognized for its efficiency in both hardware and software implementations. The cipher family has achieved international recognition, including being selected as a finalist in the NIST Lightweight Cryptography Standardization Process. ## Key Facts - **Developer**: Graz University of Technology (Austria) - **Type**: Family of authenticated ciphers - **Wikipedia title**: Ascon (cipher) - **Wikipedia languages**: German (de), English (en) - **Wikidata description**: family of authenticated ciphers - **Sitelink_count**: 2 - **Instance classification**: authenticated encryption (primary), block cipher, cryptographic hash function (related capabilities) - **Design focus**: Lightweight cryptography suitable for constrained devices and environments ## FAQs ### What is Ascon used for? Ascon is used for authenticated encryption, which provides both confidentiality (encryption) and integrity (authentication) for data. It protects communications and stored data by ensuring that unauthorized modifications can be detected. ### Who developed Ascon? Ascon was developed by researchers at Graz University of Technology in Austria, a leading institution in cryptographic research. ### What makes Ascon different from other ciphers? Ascon is specifically designed as a lightweight authenticated cipher, optimized for performance in resource-constrained environments such as IoT devices, embedded systems, and hardware with limited computational capacity. ### Is Ascon a hash function or an encryption cipher? Ascon is primarily an authenticated encryption cipher, but the source material indicates it has instance relationships with both block cipher and cryptographic hash function categories, suggesting it may offer hash-like capabilities in addition to its primary encryption functions. ### Where can I find more information about Ascon? Ascon has dedicated Wikipedia articles in both German and English languages, with a sitelink count of 2 across Wikimedia projects. ## Why It Matters Ascon matters because it addresses the critical need for lightweight, efficient cryptographic solutions in an increasingly connected world of IoT devices, sensors, and embedded systems. Traditional cryptographic algorithms often require too much computational power, memory, or energy for these constrained environments. Ascon was specifically designed to fill this gap, providing strong security guarantees while maintaining minimal resource requirements. The selection of Ascon as a finalist in the NIST Lightweight Cryptography Standardization Process demonstrates its recognition by the international cryptographic community as a promising solution for securing the billions of devices making up the Internet of Things. This standardization process aims to establish standardized lightweight cryptographic algorithms for use in constrained environments where traditional cryptographic algorithms may not be suitable. Graz University of Technology's development of Ascon positions Austria as a significant contributor to modern cryptographic research and development. The cipher family represents a practical approach to security that balances the competing demands of strong protection, computational efficiency, and low resource consumption. ## Notable For - Being developed by researchers at Graz University of Technology, a prominent European cryptographic research institution - Serving as a lightweight authenticated encryption solution designed specifically for constrained environments - Achieving recognition as a finalist in the NIST Lightweight Cryptography Standardization Process - Having dedicated Wikipedia articles in multiple languages (German and English) - Providing a family of ciphers rather than a single algorithm, offering flexibility for different use cases - Balancing both encryption and authentication capabilities in a single cryptographic primitive ## Body ### Development and Origins Ascon was developed by the Cryptography and Security Group at Graz University of Technology (Technische Universität Graz) in Austria. The university has established itself as a significant center for cryptographic research in Europe, with Ascon representing one of its most notable contributions to practical cryptography. The development team focused on creating algorithms that could operate efficiently in environments with limited computational resources, such as embedded systems, IoT devices, and hardware tokens. ### Technical Architecture Ascon is classified as a family of authenticated ciphers, meaning it encompasses multiple related algorithms or variants optimized for different use cases and requirements. The primary instance classification is authenticated encryption, which combines confidentiality and integrity protection into a single cryptographic operation. This approach is considered more efficient and often more secure than combining separate encryption and authentication primitives. The source material indicates that Ascon also relates to block cipher and cryptographic hash function categories, suggesting the family may include variants or modes that provide hash-like properties or operate as block ciphers under the hood. This multi-faceted classification reflects the versatile nature of the cipher family, which can potentially serve various cryptographic needs within a unified design. ### Recognition and Standardization The cipher family has achieved international visibility through its participation in the NIST Lightweight Cryptography Standardization Process, a major initiative by the U.S. National Institute of Standards and Technology to establish standardized cryptographic algorithms for constrained environments. Being selected as a finalist in this process represents significant validation of Ascon's technical merits and practical viability. ### Documentation and Resources Ascon has a dedicated presence in the Wikimedia ecosystem, with Wikipedia articles available in both German (de) and English (en) languages. The combined sitelink count of 2 indicates coverage across these two language versions of Wikipedia. The Wikidata entry describes Ascon as a "family of authenticated ciphers," confirming its classification and scope. ### Relationship to Other Cryptographic Concepts While Ascon is primarily an authenticated encryption scheme, the source material lists it as having instance relationships with several other cryptographic categories: - **Cryptographic hash function**: Suggests some Ascon variants or constructions may offer hash-like properties - **Block cipher**: Indicates the underlying structure may utilize block cipher principles - **Authenticated encryption**: The primary classification and core functionality These relationships demonstrate that Ascon occupies a versatile position in the cryptographic landscape, potentially offering multiple cryptographic capabilities within a unified framework. ### Ecosystem and Community The presence of dedicated Wikipedia articles in multiple languages indicates ongoing documentation and community interest in Ascon. The German-language article reflects the cipher's European origins and likely provides technical details relevant to the research community in Austria and neighboring countries. The English-language article serves the broader international audience interested in lightweight cryptographic solutions. ### Significance in Cryptographic Landscape Ascon represents the ongoing evolution of cryptography to address real-world deployment challenges. As IoT devices, sensors, and embedded systems become ubiquitous, the demand for cryptographic algorithms that can operate efficiently on constrained hardware continues to grow. Lightweight authenticated ciphers like Ascon fill this critical gap, enabling security for devices that cannot support the computational overhead of traditional cryptographic algorithms. The development of Ascon by an academic institution rather than a commercial entity also reflects the important role that university research plays in advancing cryptographic science. Graz University of Technology's contribution through Ascon demonstrates how academic cryptography research can produce practically relevant results that influence international standardization efforts.