Abstract
The invention relates to an apparatus for authenticating an optical key, wherein the optical key is characterized by a reliable authenticatability. The invention also relates to an apparatus for generating a random number from an optical key, wherein the random number is stable when or after the optical key is exposed to an external influence, in particular a physical or chemical stimulus such as a different ambient condition, mechanical stress or chemical contact.
Original language | English |
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Patent number | EP 3 252 740 B1 |
IPC | G09C 5/00 (2006.01) ,H04L 9/08 (2006.01) ,H04L 9/32 (2006.01) |
Priority date | 31/05/16 |
Publication status | Published - 1 Aug 2018 |
Keywords
- Physical unclonable function
- Quantum cryptography
- Cybersecurity