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Wang Lab
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A lab that designs, analyzes, and applies cryptography that stays secure in the age of quantum computers.
AboutAbout the lab
Cryptography for the quantum computer era, from design to application.
The Wang Lab studies post-quantum cryptography, which remains secure even once quantum computers become practical.
Conventional public-key cryptography such as RSA and elliptic curve cryptography is considered vulnerable to quantum computers.
The lab therefore carries out the full range of research and development: constructing encryption and signature schemes, proving their security, evaluating parameters, building fast implementations, and developing applications.
Key terms
- Post-quantum cryptography
- Cryptographic schemes that remain secure even if quantum computers become practical. Also called post-quantum cryptography.
- Public-key cryptography
- A cryptographic scheme in which the encryption key is made public and only the owner holds the decryption key. RSA and elliptic curve cryptography are typical examples.
ResearchResearch themes
The lab carries out the full range of research and development on post-quantum cryptography: constructing encryption and signature schemes, proving their security, evaluating parameters, building fast implementations, and developing applications. Its research themes are organized into three under the banner "the AAA of PQC (Algorithm, Analysis, Application)."
*Illustrative imageProposing Post-Quantum Encryption and Signature Schemes
The lab constructs key exchange schemes and digital signatures as post-quantum cryptographic schemes. It also works on the design of hybrid encryption schemes.
*Illustrative imageCryptanalysis and Security Evaluation
The lab proposes and improves algorithms for attacking hard problems underlying cryptography, and builds fast implementations of them. Setting world records is also listed among its research achievements.
*Illustrative imageApplications of Cryptography
As applications of cryptographic technology, the lab works on machine learning security, applications to autonomous driving systems, cybersecurity, and more.
MembersFaculty
The Wang Lab's members are faculty, master's and undergraduate students, and exchange students.As of 2026
- Associate ProfessorYuntao Wang
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “IBM Quantum Computer Demo” Dev Jadiya / CC BY-SA 4.0 (cropped)
- Proposing Post-Quantum Encryption and Signature Schemes: “Digital signature schema” Bart Van den Bosch / CC BY-SA 2.5 (cropped)
- Cryptanalysis and Security Evaluation: “Military Cryptanalysis, Part i, by William Friedman, title page - National Cryptologic Museum.agr” ArnoldReinhold / CC BY-SA 4.0 (cropped)
- Applications of Cryptography: “Three padlocks” Mx. Granger / CC0 (cropped)
- Related lab (Sakiyama-Li-Miyahara Lab): “Smart-Card-Chip back” jailbird / CC BY-SA 3.0 de (cropped)
- Related lab (Sugawara Lab): “Car parking sensor closeup” Shixart1985 / CC BY 2.0 (cropped)
- Related lab (Ohama-Santoso Lab): “NASA secure communication console at National Cryptologic Museum.agr” ArnoldReinhold / CC BY-SA 4.0 (cropped)
- Related lab (Takada Lab): “Username and password 20170626” Santeri Viinamäki / CC BY-SA 4.0 (cropped)
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