Add CROSS

.CMake/alg_support.cmake

@@ -169,6 +169,26 @@ cmake_dependent_option(OQS_ENABLE_SIG_mayo_1 "" ON "OQS_ENABLE_SIG_MAYO" OFF)
 cmake_dependent_option(OQS_ENABLE_SIG_mayo_2 "" ON "OQS_ENABLE_SIG_MAYO" OFF)
 cmake_dependent_option(OQS_ENABLE_SIG_mayo_3 "" ON "OQS_ENABLE_SIG_MAYO" OFF)
 cmake_dependent_option(OQS_ENABLE_SIG_mayo_5 "" ON "OQS_ENABLE_SIG_MAYO" OFF)
+
+option(OQS_ENABLE_SIG_CROSS "Enable cross algorithm family" ON)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_128_balanced "" ON "OQS_ENABLE_SIG_CROSS" OFF)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_128_fast "" ON "OQS_ENABLE_SIG_CROSS" OFF)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_128_small "" ON "OQS_ENABLE_SIG_CROSS" OFF)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_192_balanced "" ON "OQS_ENABLE_SIG_CROSS" OFF)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_192_fast "" ON "OQS_ENABLE_SIG_CROSS" OFF)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_192_small "" ON "OQS_ENABLE_SIG_CROSS" OFF)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_256_balanced "" ON "OQS_ENABLE_SIG_CROSS" OFF)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_256_fast "" ON "OQS_ENABLE_SIG_CROSS" OFF)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_256_small "" ON "OQS_ENABLE_SIG_CROSS" OFF)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_128_balanced "" ON "OQS_ENABLE_SIG_CROSS" OFF)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_128_fast "" ON "OQS_ENABLE_SIG_CROSS" OFF)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_128_small "" ON "OQS_ENABLE_SIG_CROSS" OFF)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_192_balanced "" ON "OQS_ENABLE_SIG_CROSS" OFF)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_192_fast "" ON "OQS_ENABLE_SIG_CROSS" OFF)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_192_small "" ON "OQS_ENABLE_SIG_CROSS" OFF)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_256_balanced "" ON "OQS_ENABLE_SIG_CROSS" OFF)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_256_fast "" ON "OQS_ENABLE_SIG_CROSS" OFF)
+cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_256_small "" ON "OQS_ENABLE_SIG_CROSS" OFF)
 ##### OQS_COPY_FROM_UPSTREAM_FRAGMENT_ADD_ENABLE_BY_ALG_END
 
 ##### OQS_COPY_FROM_LIBJADE_FRAGMENT_ADD_ENABLE_BY_ALG_START
@@ -197,7 +217,7 @@ elseif (${OQS_ALGS_ENABLED} STREQUAL "STD")
 elseif(${OQS_ALGS_ENABLED} STREQUAL "NIST_R4")
 	filter_algs("KEM_classic_mceliece_348864;KEM_classic_mceliece_348864f;KEM_classic_mceliece_460896;KEM_classic_mceliece_460896f;KEM_classic_mceliece_6688128;KEM_classic_mceliece_6688128f;KEM_classic_mceliece_6960119;KEM_classic_mceliece_6960119f;KEM_classic_mceliece_8192128;KEM_classic_mceliece_8192128f;KEM_hqc_128;KEM_hqc_192;KEM_hqc_256;KEM_bike_l1;KEM_bike_l3;KEM_bike_l5")
 elseif(${OQS_ALGS_ENABLED} STREQUAL "NIST_SIG_ONRAMP")
-    filter_algs("SIG_mayo_1;SIG_mayo_2;SIG_mayo_3;SIG_mayo_5")
+	filter_algs("SIG_mayo_1;SIG_mayo_2;SIG_mayo_3;SIG_mayo_5;SIG_cross_rsdp_128_balanced;SIG_cross_rsdp_128_fast;SIG_cross_rsdp_128_small;SIG_cross_rsdp_192_balanced;SIG_cross_rsdp_192_fast;SIG_cross_rsdp_192_small;SIG_cross_rsdp_256_balanced;SIG_cross_rsdp_256_fast;SIG_cross_rsdp_256_small;SIG_cross_rsdpg_128_balanced;SIG_cross_rsdpg_128_fast;SIG_cross_rsdpg_128_small;SIG_cross_rsdpg_192_balanced;SIG_cross_rsdpg_192_fast;SIG_cross_rsdpg_192_small;SIG_cross_rsdpg_256_balanced;SIG_cross_rsdpg_256_fast;SIG_cross_rsdpg_256_small")
 else()
 	message(STATUS "Alg enablement unchanged")
 endif()
@@ -531,6 +551,79 @@ if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
 endif()
 endif()
 
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_128_balanced_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdp_128_balanced" OFF)
+endif()
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_128_fast_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdp_128_fast" OFF)
+endif()
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_128_small_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdp_128_small" OFF)
+endif()
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_192_balanced_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdp_192_balanced" OFF)
+endif()
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_192_fast_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdp_192_fast" OFF)
+endif()
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_192_small_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdp_192_small" OFF)
+endif()
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_256_balanced_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdp_256_balanced" OFF)
+endif()
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_256_fast_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdp_256_fast" OFF)
+endif()
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdp_256_small_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdp_256_small" OFF)
+endif()
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_128_balanced_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdpg_128_balanced" OFF)
+endif()
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_128_fast_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdpg_128_fast" OFF)
+endif()
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_128_small_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdpg_128_small" OFF)
+endif()
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_192_balanced_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdpg_192_balanced" OFF)
+endif()
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_192_fast_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdpg_192_fast" OFF)
+endif()
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_192_small_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdpg_192_small" OFF)
+endif()
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_256_balanced_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdpg_256_balanced" OFF)
+endif()
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_256_fast_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdpg_256_fast" OFF)
+endif()
+
+if(OQS_DIST_X86_64_BUILD OR (OQS_USE_AVX2_INSTRUCTIONS))
+    cmake_dependent_option(OQS_ENABLE_SIG_cross_rsdpg_256_small_avx2 "" ON "OQS_ENABLE_SIG_cross_rsdpg_256_small" OFF)
+endif()
+
 ##### OQS_COPY_FROM_UPSTREAM_FRAGMENT_ADD_ENABLE_BY_ALG_CONDITIONAL_END
 
 ##### OQS_COPY_FROM_LIBJADE_FRAGMENT_ADD_ENABLE_BY_ALG_CONDITIONAL_START

.github/CODEOWNERS

@@ -2,9 +2,10 @@
 
 * @dstebila
 /.circleci @baentsch
-/scripts/copy_from_upstream @baentsch @bhess
+/scripts/copy_from_upstream @baentsch @bhess @alexrow
 /src/common @dstebila
 /src/kem/bike @crockeea
 /src/kem/frodokem @dstebila
 /src/kem/kyber @jschanck @bhess
+/src/sig/cross @alexrow
 /src/sig/dilithium @bhess

.github/workflows/unix.yml

@@ -157,10 +157,10 @@ jobs:
             container: openquantumsafe/ci-ubuntu-focal-x86_64:latest
             CMAKE_ARGS: -DCMAKE_C_COMPILER=gcc-7 -DOQS_DIST_BUILD=OFF -DOQS_USE_OPENSSL=OFF -DBUILD_SHARED_LIBS=ON
             PYTEST_ARGS: --ignore=tests/test_namespace.py --ignore=tests/test_leaks.py --ignore=tests/test_kat_all.py
-          - name: focal-clang15
+          - name: jammy-clang
             runner: ubuntu-latest
-            container: openquantumsafe/ci-ubuntu-focal-x86_64:latest
-            CMAKE_ARGS: -DOQS_STRICT_WARNINGS=ON -DCMAKE_C_COMPILER=clang-15
+            container: openquantumsafe/ci-ubuntu-jammy:latest
+            CMAKE_ARGS: -DOQS_STRICT_WARNINGS=ON -DCMAKE_C_COMPILER=clang
             PYTEST_ARGS: --ignore=tests/test_kat_all.py
           - name: jammy-std-openssl3
             runner: ubuntu-latest

CMakeLists.txt

@@ -224,6 +224,9 @@ endif()
 if(OQS_ENABLE_SIG_MAYO)
     set(PUBLIC_HEADERS ${PUBLIC_HEADERS} ${PROJECT_SOURCE_DIR}/src/sig/mayo/sig_mayo.h)
 endif()
+if(OQS_ENABLE_SIG_CROSS)
+    set(PUBLIC_HEADERS ${PUBLIC_HEADERS} ${PROJECT_SOURCE_DIR}/src/sig/cross/sig_cross.h)
+endif()
 ##### OQS_COPY_FROM_UPSTREAM_FRAGMENT_INCLUDE_HEADERS_END
 if(OQS_ENABLE_SIG_STFL_XMSS)
     set(PUBLIC_HEADERS ${PUBLIC_HEADERS} ${PROJECT_SOURCE_DIR}/src/sig_stfl/xmss/sig_stfl_xmss.h)

CONTRIBUTORS

@@ -35,5 +35,8 @@ Sebastian Verschoor (University of Waterloo)
 Thom Wiggers (Radboud University)
 Dindyal Jeevesh Rishi (University of Mauritius / cyberstorm.mu)
 Duc Tri Nguyen
+Marco Gianvecchio (Politecnico di Milano)
+Alessandro Barenghi (Politecnico di Milano)
+Gerardo Pelosi (Politecnico di Milano)
 
 See additional contributors at https://github.com/open-quantum-safe/liboqs/graphs/contributors

README.md

@@ -61,6 +61,7 @@ All names other than `ML-KEM` and `ML-DSA` are subject to change. `liboqs` makes
 #### Signature schemes
 
 <!--- OQS_TEMPLATE_FRAGMENT_LIST_SIGS_START -->
+- **CROSS**: cross-rsdp-128-balanced, cross-rsdp-128-fast, cross-rsdp-128-small†, cross-rsdp-192-balanced, cross-rsdp-192-fast, cross-rsdp-192-small†, cross-rsdp-256-balanced†, cross-rsdp-256-fast, cross-rsdp-256-small†, cross-rsdpg-128-balanced, cross-rsdpg-128-fast, cross-rsdpg-128-small, cross-rsdpg-192-balanced, cross-rsdpg-192-fast, cross-rsdpg-192-small†, cross-rsdpg-256-balanced, cross-rsdpg-256-fast, cross-rsdpg-256-small†
 - **CRYSTALS-Dilithium**: Dilithium2, Dilithium3, Dilithium5
 - **Falcon**: Falcon-512, Falcon-1024, Falcon-padded-512, Falcon-padded-1024
 - **MAYO**: MAYO-1, MAYO-2, MAYO-3, MAYO-5†