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 2 submission
Implementation
- Source of implementation: https://github.com/KULeuven-COSIC/SABER
- Implementation version: https://github.com/PQClean/PQClean/commit/c50bc64a40ce83639cff54419fce60483a30c430
- License: Public domain
- Constant-time: Yes
- Optimizations: Portable C
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-CCA | 1 | 672 | 1568 | 736 | 32 |
| Saber-KEM | IND-CCA | 3 | 992 | 2304 | 1088 | 32 |
| FireSaber-KEM | IND-CCA | 5 | 1312 | 3040 | 1472 | 32 |