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Cryptography and Information Security Lab
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A lab that supports a more trustworthy and secure information society through cryptographic theory.

AboutAbout the lab
Toward a more trustworthy and secure information society.
Prof. Iwata's research group studies information security, with a focus on cryptography.
Information security is a foundational technology that underpins the safety of information and communications, and cryptography forms its basis.
Through research such as security analysis of ciphers and cryptanalysis, the lab aims to contribute to the development of a more trustworthy, secure, and prosperous information society.
Cryptographic technology is used in a wide range of fields, from the Internet to automobiles and space development.
Key terms
- Information security
- Technologies and concepts for protecting information from eavesdropping and tampering, and for keeping it safely usable when needed
- Cryptography
- The study, using mathematics, of how to keep information from being read or altered by third parties
- Cryptanalysis
- Looking for weaknesses in a cipher and examining whether someone without the key can recover the original information
ResearchResearch themes
The lab conducts research on information security, with a focus on cryptography. Through research on information security and cryptography, it aims to contribute to the development of a more trustworthy, secure, comfortable, and prosperous information society.
View More ↗MembersFaculty
- ProfessorSatoshi Iwata
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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: “Enigma Crypto Machine - Flickr - Latente 囧 www.latente.it” ☰☵ Michele M. F. / CC BY-SA 2.0 (cropped)
- Related lab (Quantum Optoelectronics Lab): “Ti Sapphire laser TIS-SF-07” Sergey100 / Public domain (cropped)
- Related lab (Nano Information Devices Lab): “Wafer” Santi / CC BY-SA 2.0 (cropped)
- Related lab (Information Networks Lab): “Optical fibre distribution cabinet Finland closeup” Antti Leppänen / CC BY 4.0 (cropped)
- Related lab (Intelligent Systems Lab): “Quori socially interactive robot platform IMG” Mary Mark Ockerbloom / CC BY-SA 4.0 (cropped)
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