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  • 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:
  • Version: 20190920


  • Source of implementation:
  • Implementation version:
  • License: CC0 1.0 Universal
  • Constant-time: Yes
  • Optimizations: Portable C

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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