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Falcon

  • Algorithm type: signature
  • Main cryptographic assumption: hardness of NTRU lattice problems
  • Scheme authors: Thomas Prest, Pierre-Alain Fouque, Jeffrey Hoffstein, Paul Kirchner, Vadim Lyubashevsky, Thomas Pornin, Thomas Ricosset, Gregor Seiler, William Whyte, Zhenfei Zhang
  • Authors’ website: https://falcon-sign.info
  • Version: 20201018

Implementation

  • Source of implementation: supercop-20201018 via https://github.com/jschanck/package-pqclean/tree/cea1fa5a/falcon
  • Implementation version: https://github.com/PQClean/PQClean.git, master, 19b438ba5c7c3a6f2194cd8bda14821dc33c64a3
  • License: CC0 1.0 Universal
  • Constant-time: Yes
  • Optimizations: Portable C with AVX2 instructions (if available at run-time)

Parameter sets

Parameter set Security model Claimed NIST security level Public key size (bytes) Secret key size (bytes) Signature size (bytes)
Falcon-512 EUF-CMA 1 897 1281 690
Falcon-1024 EUF-CMA 5 1793 2305 1330







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