name: ntrulpr857 type: kem claimed-nist-level: 4 claimed-security: IND-CCA2 length-public-key: 1184 length-secret-key: 1463 length-ciphertext: 1312 length-shared-secret: 32 nistkat-sha256: cc8c8b8f3e31c07cce27c0e54c636884426593bf0f71c6e9215bde2ed3f516ef principal-submitters: - Daniel J. Bernstein - Chitchanok Chuengsatiansup - Tanja Lange - Christine van Vredendaal implementations: - name: clean version: supercop-20200826 - name: avx2 version: supercop-20200826 supported_platforms: - architecture: x86_64 operating_systems: - Linux - Darwin required_flags: - avx2