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* Remove kex_ntru from master (issue #370). * Remove KEX components (issue #372). * Remove anything kex * Tweaks to READMEs re: removal of KEX.
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liboqs master branch algorithm datasheet: kem_sidh
Summary
- Name: SIDH
- Algorithm type: key exchange
- Note: SIDH is as ephemeral key exchange algorithm related to the SIKE KEM (sike.org) submitted to NIST. It is NOT secure to use it with static keys.
- Main cryptographic assumption: (supersingular) isogeny walk problem
- Submitters' website: https://github.com/Microsoft/PQCrypto-SIDH
- Added to liboqs by: Christian Paquin
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) |
|---|---|---|---|---|---|---|
| Sidh-p503 | IND-CPA | 1 | 378 | 32 | 378 | 126 |
| Sidh-p751 | IND-CPA | 3 | 564 | 48 | 564 | 188 |
Implementation
- Source of implementation: https://github.com/Microsoft/PQCrypto-SIDH (v3.0)
- License: MIT License
- Language: C
- Constant-time: Yes
- Architectures supported in liboqs master branch: x86, x64
Additional comments
No KAT are available for SIDH.