Removed NTRU. (#1335)

.CMake/alg_support.cmake

@@ -217,38 +217,6 @@ endif()
 endif()
 
 
-option(OQS_ENABLE_KEM_NTRU "Enable ntru algorithm family" ON)
-cmake_dependent_option(OQS_ENABLE_KEM_ntru_hps2048509 "" ON "OQS_ENABLE_KEM_NTRU" OFF)
-if(CMAKE_SYSTEM_NAME MATCHES "Linux|Darwin")
-if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS AND OQS_USE_BMI2_INSTRUCTIONS))
-    cmake_dependent_option(OQS_ENABLE_KEM_ntru_hps2048509_avx2 "" ON "OQS_ENABLE_KEM_ntru_hps2048509" OFF)
-endif()
-endif()
-
-cmake_dependent_option(OQS_ENABLE_KEM_ntru_hps2048677 "" ON "OQS_ENABLE_KEM_NTRU" OFF)
-if(CMAKE_SYSTEM_NAME MATCHES "Linux|Darwin")
-if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS AND OQS_USE_BMI2_INSTRUCTIONS))
-    cmake_dependent_option(OQS_ENABLE_KEM_ntru_hps2048677_avx2 "" ON "OQS_ENABLE_KEM_ntru_hps2048677" OFF)
-endif()
-endif()
-
-cmake_dependent_option(OQS_ENABLE_KEM_ntru_hps4096821 "" ON "OQS_ENABLE_KEM_NTRU" OFF)
-if(CMAKE_SYSTEM_NAME MATCHES "Linux|Darwin")
-if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS AND OQS_USE_BMI2_INSTRUCTIONS))
-    cmake_dependent_option(OQS_ENABLE_KEM_ntru_hps4096821_avx2 "" ON "OQS_ENABLE_KEM_ntru_hps4096821" OFF)
-endif()
-endif()
-
-cmake_dependent_option(OQS_ENABLE_KEM_ntru_hps40961229 "" ON "OQS_ENABLE_KEM_NTRU" OFF)
-cmake_dependent_option(OQS_ENABLE_KEM_ntru_hrss701 "" ON "OQS_ENABLE_KEM_NTRU" OFF)
-if(CMAKE_SYSTEM_NAME MATCHES "Linux|Darwin")
-if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS AND OQS_USE_BMI2_INSTRUCTIONS))
-    cmake_dependent_option(OQS_ENABLE_KEM_ntru_hrss701_avx2 "" ON "OQS_ENABLE_KEM_ntru_hrss701" OFF)
-endif()
-endif()
-
-cmake_dependent_option(OQS_ENABLE_KEM_ntru_hrss1373 "" ON "OQS_ENABLE_KEM_NTRU" OFF)
-
 option(OQS_ENABLE_SIG_DILITHIUM "Enable dilithium algorithm family" ON)
 cmake_dependent_option(OQS_ENABLE_SIG_dilithium_2 "" ON "OQS_ENABLE_SIG_DILITHIUM" OFF)
 if(CMAKE_SYSTEM_NAME MATCHES "Darwin|Linux")

.github/CODEOWNERS

@@ -10,7 +10,6 @@
 /src/kem/bike @crockeea
 /src/kem/frodokem @dstebila
 /src/kem/kyber @jschanck @bhess
-/src/kem/ntru @jschanck
 /src/oqsconfig.h.cmake @xvzcf
 /src/sig/dilithium @bhess
 /CONTRIBUTORS @dstebila

CMakeLists.txt

@@ -157,9 +157,6 @@ endif()
 if(OQS_ENABLE_KEM_KYBER)
     set(PUBLIC_HEADERS ${PUBLIC_HEADERS} ${PROJECT_SOURCE_DIR}/src/kem/kyber/kem_kyber.h)
 endif()
-if(OQS_ENABLE_KEM_NTRU)
-    set(PUBLIC_HEADERS ${PUBLIC_HEADERS} ${PROJECT_SOURCE_DIR}/src/kem/ntru/kem_ntru.h)
-endif()
 if(OQS_ENABLE_SIG_DILITHIUM)
     set(PUBLIC_HEADERS ${PUBLIC_HEADERS} ${PROJECT_SOURCE_DIR}/src/sig/dilithium/sig_dilithium.h)
 endif()

README.md

@@ -44,7 +44,6 @@ Details on each supported algorithm can be found in the [docs/algorithms](https:
 - **FrodoKEM**: FrodoKEM-640-AES, FrodoKEM-640-SHAKE, FrodoKEM-976-AES, FrodoKEM-976-SHAKE, FrodoKEM-1344-AES, FrodoKEM-1344-SHAKE
 - **HQC**: HQC-128, HQC-192, HQC-256†
 - **Kyber**: Kyber512, Kyber512-90s, Kyber768, Kyber768-90s, Kyber1024, Kyber1024-90s
-- **NTRU**: NTRU-HPS-2048-509, NTRU-HPS-2048-677, NTRU-HPS-4096-821, NTRU-HPS-4096-1229, NTRU-HRSS-701, NTRU-HRSS-1373
 <!--- OQS_TEMPLATE_FRAGMENT_LIST_KEXS_END -->
 
 #### Signature schemes
@@ -165,7 +164,6 @@ liboqs includes some third party libraries or modules that are licensed differen
 - `src/kem/bike/additional`: Apache License v2.0
 - `src/kem/classic_mceliece/pqclean_*`: public domain
 - `src/kem/kyber/pqclean_*`: public domain
-- `src/kem/ntru/pqclean_*`: public domain
 - `src/sig/dilithium/pqclean_*`: public domain
 - `src/sig/sphincs/pqclean_*`: CC0 (public domain)
 

scripts/copy_from_upstream/copy_from_upstream.yml

@@ -121,35 +121,6 @@ kems:
         scheme: "1024_90s"
         pqclean_scheme: kyber1024-90s
         pretty_name_full: Kyber1024-90s
-  -
-    name: ntru
-    default_implementation: clean
-    upstream_location: pqclean
-    schemes:
-      -
-        scheme: hps2048509
-        pqclean_scheme: ntruhps2048509
-        pretty_name_full: NTRU-HPS-2048-509
-      -
-        scheme: hps2048677
-        pqclean_scheme: ntruhps2048677
-        pretty_name_full: NTRU-HPS-2048-677
-      -
-        scheme: hps4096821
-        pqclean_scheme: ntruhps4096821
-        pretty_name_full: NTRU-HPS-4096-821
-      -
-        scheme: hps40961229
-        pqclean_scheme: ntruhps40961229
-        pretty_name_full: NTRU-HPS-4096-1229
-      -
-        scheme: hrss701
-        pqclean_scheme: ntruhrss701
-        pretty_name_full: NTRU-HRSS-701
-      -
-        scheme: hrss1373
-        pqclean_scheme: ntruhrss1373
-        pretty_name_full: NTRU-HRSS-1373
 sigs:
   -
     name: dilithium

scripts/copy_from_upstream/update_upstream_alg_docs.py

@@ -157,7 +157,7 @@ def update_upstream_kem_alg_docs(liboqs_root, kems, upstream_info, write_changes
 
                 # TODO: PQClean and liboqs pretty-naming conventions for the
                 # following algorithms are out of sync.
-                if kem['name'] == 'classic_mceliece' or kem['name'] == 'hqc' or kem['name'] == 'ntru':
+                if kem['name'] == 'classic_mceliece' or kem['name'] == 'hqc':
                     oqs_scheme_yaml['name'] = rhs_if_not_equal(oqs_scheme_yaml['name'], scheme['pretty_name_full'], "scheme pretty name")
                 else:
                     oqs_scheme_yaml['name'] = rhs_if_not_equal(oqs_scheme_yaml['name'], upstream_yaml['name'], "scheme pretty name")