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Paper 2014/321
Efficient Quantum-Immune Keyless Signatures with Identity
Ahto Buldas and Risto Laanoja and Ahto Truu
Abstract
We show how to extend hash-tree based data signatures to server-assisted personal digital signature schemes. The new signature scheme does not use trapdoor functions and is based solely on cryptographic hash functions and is thereby, considering the current state of knowledge, resistant to quantum computational attacks. In the new scheme, we combine hash-tree data signature (time- stamping) solutions with hash sequence authentication mechanisms. We show how to implement such a scheme in practice.
Note: The paper has been submitted to SCN 2014.
Metadata
- Available format(s)
- Category
- Applications
- Publication info
- Preprint. MINOR revision.
- Keywords
- digital signatureshash functions
- Contact author(s)
- ahto buldas @ guardtime com
- History
- 2014-09-02: revised
- 2014-05-06: received
- See all versions
- Short URL
- https://ia.cr/2014/321
- License
-
CC BY