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SABER

  • Algorithm type: key encapsulation mechanism
  • Main cryptographic assumption: module learning with rounding
  • Scheme authors: Jan-Pieter D’Anvers, Angshuman Karmakar, Sujoy Sinha Roy, Frederic Vercauteren
  • Authors’ website: https://www.esat.kuleuven.be/cosic/pqcrypto/saber/
  • Version: NIST Round 3 submission

Implementation

  • Source of implementation: https://github.com/KULeuven-COSIC/SABER/tree/509cc5ec3a7e12a751ccdd2ef5bd6e54e00bd350 via https://github.com/jschanck/package-pqclean/tree/1ae84c3c/saber
  • Implementation version: https://github.com/PQClean/PQClean.git, master, 865f0bd1d1dceb6624fc27e6395b14d2d03261ad
  • License: Public domain
  • 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) Ciphertext size (bytes) Shared secret size (bytes)
LightSaber-KEM IND-CCA2 1 672 1568 736 32
Saber-KEM IND-CCA2 3 992 2304 1088 32
FireSaber-KEM IND-CCA2 5 1312 3040 1472 32







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