# Tadayoshi Kohno

> cryptographer

**Wikidata**: [Q22674600](https://www.wikidata.org/wiki/Q22674600)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tadayoshi_Kohno)  
**Source**: https://4ort.xyz/entity/tadayoshi-kohno

## Summary
Tadayoshi Kohno is a cryptographer and computer scientist known for his contributions to cryptographic research and computer security. He is a professor at the University of Washington and has advised numerous Ph.D. students in the field.

## Biography
- **Born**: [Not provided in source material]
- **Nationality**: [Not provided in source material]
- **Education**: Ph.D. from the University of California, San Diego
- **Known for**: Cryptographic research, including work on the Skein hash function
- **Employer(s)**: University of Washington (Paul G. Allen School of Computer Science & Engineering)
- **Field(s)**: Cryptography, Computer Science

## Contributions
Tadayoshi Kohno has made significant contributions to the field of cryptography and computer security. He co-designed the Skein cryptographic hash function in 2008, which was a finalist in the NIST hash function competition. Kohno has also advised numerous Ph.D. students at the University of Washington, many of whom have gone on to make their own contributions to computer science and security. His research focuses on practical aspects of cryptography, including security and privacy in emerging technologies.

## FAQs
### Q: What is Tadayoshi Kohno known for?
A: Tadayoshi Kohno is known for his work in cryptography, particularly his co-design of the Skein hash function and his research in computer security.

### Q: Where does Tadayoshi Kohno work?
A: Tadayoshi Kohno is a professor at the University of Washington's Paul G. Allen School of Computer Science & Engineering.

### Q: Who were some of Tadayoshi Kohno's Ph.D. students?
A: Some of his notable Ph.D. students include Roxana Geambașu, Alexei Czeskis, Franziska Roesner, Tamara Denning, and Karl Koscher.

### Q: What is the Skein hash function?
A: Skein is a cryptographic hash function co-designed by Tadayoshi Kohno in 2008. It was a finalist in the NIST hash function competition.

### Q: What is Tadayoshi Kohno's educational background?
A: Tadayoshi Kohno earned his Ph.D. from the University of California, San Diego, under the advisement of Mihir Bellare.

## Why They Matter
Tadayoshi Kohno's work in cryptography and computer security has had a lasting impact on the field. His contributions to the Skein hash function have influenced the development of secure cryptographic systems. Additionally, his role as an advisor has shaped the careers of many computer scientists, who have gone on to make their own significant contributions. Kohno's research has helped to advance the understanding and implementation of security and privacy in emerging technologies, making him a key figure in the field.

## Notable For
- Co-designer of the Skein cryptographic hash function (2008)
- Advisor to numerous Ph.D. students in computer science and security
- Professor at the University of Washington's Paul G. Allen School of Computer Science & Engineering
- Contributions to practical aspects of cryptography and computer security

## Body
### Education and Early Career
Tadayoshi Kohno earned his Ph.D. from the University of California, San Diego, where he was advised by Mihir Bellare, a renowned cryptographer.

### Cryptographic Research
Kohno co-designed the Skein cryptographic hash function in 2008. Skein was a finalist in the NIST hash function competition, showcasing its significance in the field of cryptography.

### Academic Career
Kohno is a professor at the University of Washington's Paul G. Allen School of Computer Science & Engineering. He has advised numerous Ph.D. students, including Roxana Geambașu, Alexei Czeskis, Franziska Roesner, Tamara Denning, and Karl Koscher, among others. His students have gone on to make their own contributions to computer science and security.

### Research Focus
Kohno's research focuses on practical aspects of cryptography, including security and privacy in emerging technologies. His work has helped to advance the understanding and implementation of secure systems.

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## References

1. Mathematics Genealogy Project
2. WorldCat
3. Virtual International Authority File