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constantine.nimble
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packageName = "constantine"
version = "0.2.0"
author = "Mamy Ratsimbazafy"
description = "This library provides thoroughly tested and highly-optimized implementations of cryptography protocols."
license = "MIT or Apache License 2.0"
# Dependencies
# ----------------------------------------------------------------
requires "nim >= 2.2.0"
# Note, if you're not using Multiexponentiation in pairing group
# which is likely as it's an experimental feature for Ethereum Secret Leader Election (at best early 2027),
# the library is compatible with Nim 1.6.16 and 2.0.8
# and still has proper guards to handle v1.6 and v2.x differences
when (NimMajor, NimMinor) >= (2, 0): # Task-level dependencies
taskRequires "make_zkalc", "jsony"
taskRequires "make_zkalc", "cliche"
taskRequires "test", "jsony"
taskRequires "test", "yaml"
taskRequires "test", "gmp#head"
taskRequires "test_parallel", "jsony"
taskRequires "test_parallel", "yaml"
taskRequires "test_parallel", "gmp#head"
taskRequires "test_no_gmp", "jsony"
taskRequires "test_no_gmp", "yaml"
taskRequires "test_parallel_no_gmp", "jsony"
taskRequires "test_parallel_no_gmp", "yaml"
# Nimscript imports
# ----------------------------------------------------------------
import std/[strformat, strutils, os]
# Environment variables
# ----------------------------------------------------------------
#
# Compile-time environment variables
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
# - CC="clang" or "nim c --cc:clang ..."
# Specify the compiler.
# Clang is recommended for fastest performance.
#
# - CTT_ASM=0 or "nim c -d:CTT_ASM=0 ..."
# Disable assembly backend. Otherwise use ASM for supported CPUs and fallback to generic code otherwise.
#
# - CTT_LTO=1 or "nim c -d:lto ..." or "nim c -d:lto_incremental ..."
# Enable LTO builds.
# By default this is:
# - Disabled for binaries
# - Enabled for dynamic libraries, unless on MacOS or iOS
# - Disabled for static libraries
#
# Runtime environment variables
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
# - CTT_NUM_THREADS=N
# Set the threadpool to N threads. Currently this is only supported in some tests/benchmarks.
# Autodetect the number of threads (including siblings from hyperthreading)
#
# Developer, debug, profiling and metrics environment variables
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
# - CTT_32 or "nim c -d:CTT_32 ..."
# Compile Constantine with 32-bit backend. Otherwise autodetect.
#
# - "nim c -d:CTT_DEBUG ..."
# Add preconditions, invariants and post-conditions checks.
# This may leak the erroring data. Do not use with secrets.
#
# - "nim c -d:CTT_GENERATE_HEADERS ..."
# - "nim c -d:CTT_TEST_CURVES ..."
#
# - "nim c -d:CTT_THREADPOOL_ASSERTS ..."
# - "nim c -d:CTT_THREADPOOL_METRICS ..."
# - "nim c -d:CTT_THREADPOOL_PROFILE ..."
#
# - "nim c -d:CTT_THREADPOOL_DEBUG"
# - "nim c -d:CTT_THREADPOOL_DEBUG_SPLIT"
# - "nim c -d:CTT_THREADPOOL_DEBUG_TERMINATION"
proc getEnvVars(): tuple[useAsmIfAble, force32, forceLto, useLtoDefault: bool] =
if existsEnv"CTT_ASM":
result.useAsmIfAble = parseBool(getEnv"CTT_ASM")
else:
result.useAsmIfAble = true
if existsEnv"CTT_32":
result.force32 = parseBool(getEnv"CTT_32")
else:
result.force32 = false
if existsEnv"CTT_LTO":
result.forceLto = parseBool(getEnv"CTT_LTO")
result.useLtoDefault = false
else:
result.forceLto = false
result.useLtoDefault = true
# Library compilation
# ----------------------------------------------------------------
func compilerFlags(): string =
# -d:danger --opt:size
# to avoid boundsCheck and overflowChecks that would trigger exceptions or allocations in a crypto library.
# Those are internally guaranteed at compile-time by fixed-sized array
# and checked at runtime with an appropriate error code if any for user-input.
#
# Furthermore we may optimize for size, the performance critical procedures
# either use assembly or are unrolled manually with staticFor,
# Optimizations at -O3 deal with loops and branching
# which we mostly don't have.
# Hence optimizing for instructions cache may pay off.
#
# --panics:on -d:noSignalHandler
# Even with `raises: []`, Nim still has an exception path
# for defects, for example array out-of-bound accesses (though deactivated with -d:danger)
# This turns them into panics, removing exceptions from the library.
# We also remove signal handlers as it's not our business.
#
# -mm:arc -d:useMalloc
# Constantine stack allocates everything (except for multithreading).
# Inputs are through unmanaged ptr+len. So we don't want any runtime.
# Combined with -d:useMalloc, sanitizers and valgrind work as in C,
# even for test cases that needs to allocate (json inputs).
#
# -fno-semantic-interposition
# https://fedoraproject.org/wiki/Changes/PythonNoSemanticInterpositionSpeedup
# Default in Clang, not default in GCC, prevents optimizations, not portable to non-Linux.
# Also disabling this prevents overriding symbols which might actually be wanted in a cryptographic library
#
# -falign-functions=64
# Reduce instructions cache misses.
# https://lkml.org/lkml/2015/5/21/443
# Our non-inlined functions are large so size cost is minimal.
#
# -fmerge-all-constants
# Merge identical constants and variables, in particular
# field and curve arithmetic constant arrays.
" -d:danger " &
# " --opt:size " &
" --panics:on -d:noSignalHandler " &
" --mm:arc -d:useMalloc " &
" --verbosity:0 --hints:off --warnings:off " &
" --passC:-fno-semantic-interposition " &
" --passC:-falign-functions=64 " &
" --passC:-fmerge-all-constants"
type BuildMode = enum
bmBinary
bmStaticLib
bmDynamicLib
proc releaseBuildOptions(buildMode = bmBinary): string =
let compiler = if existsEnv"CC": " --cc:" & getEnv"CC"
else: ""
let (useAsmIfAble, force32, forceLTO, useLtoDefault) = getEnvVars()
let envASM = if not useAsmIfAble: " -d:CTT_ASM=false "
else: ""
let env32 = if force32: " -d:CTT_32 "
else: ""
# LTO config
# -------------------------------------------------------------------------------
# This is impacted by:
# - LTO: LTO requires Intel Assembly for Clang
# - MacOS / iOS: Default Apple Clang does not support Intel Assembly
# - Rust backend:
# Using Clang, we can do Nim<->Rust cross-language LTO
# - https://blog.llvm.org/2019/09/closing-gap-cross-language-lto-between.html
# - https://github.com/rust-lang/rust/pull/58057
# - https://doc.rust-lang.org/rustc/linker-plugin-lto.html
# - Ergonomics of LTO for static libraries
# LTO on static libraries requires proper match on compiler
# and even on compiler versions,
# for example LLVM 17 uses opaque pointers while LLVM 14 does not
# and in CI when combining default Rust (LLVM 17) and Clang/LLD (LLVM 14)
# we get failures.
#
# Hence:
# - for binaries, LTO defaults to none and is left to the application discretion.
# for Constantine testing, LTO is used on non-Apple platforms.
# - for dynamic libraries, LTO is used on non-Apple platforms.
# - for static libraries, including Rust backend
# LTO is disabled.
#
# To retain performance partial linking can used via
# "-s -flinker-output=nolto-rel"
# with an extra C compiler call
# to consolidate all objects into one.
let ltoFlags = " -d:lto " & # " -d:UseAsmSyntaxIntel --passC:-flto=auto --passL:-flto=auto "
# With LTO, the GCC linker produces lots of spurious warnings when copying into openArrays/strings
" --passC:-Wno-stringop-overflow --passL:-Wno-stringop-overflow " &
" --passC:-Wno-alloc-size-larger-than --passL:-Wno-alloc-size-larger-than "
let apple = defined(macos) or defined(macosx) or defined(ios)
let ltoOptions = if useLtoDefault:
if apple: ""
elif buildMode == bmStaticLib: ""
else: ltoFlags
elif forceLto: ltoFlags
else: ""
let osSpecific =
if defined(windows): "" # " --passC:-mno-stack-arg-probe "
# Remove the auto __chkstk, which are: 1. slower, 2. not supported on Rust "stable-gnu" channel.
# However functions that uses a large stack like `sum_reduce_vartime` become incorrect.
# Hence deactivated by default.
else: ""
let threadLocalStorage = " --tlsEmulation=off "
compiler &
envASM & env32 &
ltoOptions &
osSpecific &
threadLocalStorage &
compilerFlags()
proc genDynamicLib(outdir, nimcache: string) =
proc compile(libName: string, flags = "") =
echo &"Compiling dynamic library: {outdir}/" & libName
let config = flags &
releaseBuildOptions(bmDynamicLib)
echo &" compiler config: {config}"
exec "nim c " &
config &
" --threads:on " &
" --noMain --app:lib " &
&" --nimMainPrefix:ctt_init_ " & # Constantine is designed so that NimMain isn't needed, provided --mm:arc -d:useMalloc --panics:on -d:noSignalHandler
&" --out:{libName} --outdir:{outdir} " &
&" --nimcache:{nimcache}/libconstantine_dynamic" &
&" bindings/lib_constantine.nim"
when defined(windows):
compile "constantine.dll"
elif defined(macosx) or defined(macos):
compile "libconstantine.arm64.dylib", "--cpu:arm64 -l:'-target arm64-apple-macos11' -t:'-target arm64-apple-macos11'"
compile "libconstantine.x86_64.dylib", "--cpu:amd64 -l:'-target x86_64-apple-macos10.12' -t:'-target x86_64-apple-macos10.12'"
exec &"lipo {outdir}/libconstantine.arm64.dylib " &
&" {outdir}/libconstantine.x86_64.dylib " &
&" -output {outdir}/libconstantine.dylib -create"
else:
compile "libconstantine.so"
proc genStaticLib(outdir, nimcache: string, extFlags = "") =
proc compile(libName: string, flags = "") =
echo &"Compiling static library: {outdir}/" & libName
let config = flags &
extFlags &
releaseBuildOptions(bmStaticLib)
echo &" compiler config: {config}"
exec "nim c " &
config &
" --threads:on " &
" --noMain --app:staticlib " &
&" --nimMainPrefix:ctt_init_ " & # Constantine is designed so that NimMain isn't needed, provided --mm:arc -d:useMalloc --panics:on -d:noSignalHandler
&" --out:{libName} --outdir:{outdir} " &
&" --nimcache:{nimcache}/libconstantine_static" &
&" bindings/lib_constantine.nim"
when defined(windows):
compile "constantine.lib"
elif defined(macosx) or defined(macos):
compile "libconstantine.arm64.a", "--cpu:arm64 -l:'-target arm64-apple-macos11' -t:'-target arm64-apple-macos11'"
compile "libconstantine.x86_64.a", "--cpu:amd64 -l:'-target x86_64-apple-macos10.12' -t:'-target x86_64-apple-macos10.12'"
exec &"lipo {outdir}/libconstantine.arm64.a " &
&" {outdir}/libconstantine.x86_64.a " &
&" -output {outdir}/libconstantine.a -create"
else:
compile "libconstantine.a"
task make_headers, "Regenerate Constantine headers":
exec "nim c -r -d:CTT_MAKE_HEADERS " &
" -d:release " &
" --threads:on " &
" --verbosity:0 --hints:off --warnings:off " &
" --outdir:build/make " &
" --nimcache:nimcache/libcurves_headers " &
" bindings/lib_headers.nim"
task make_lib, "Build Constantine library":
genStaticLib("lib", "nimcache")
genDynamicLib("lib", "nimcache")
task make_lib_rust, "Build Constantine library (use within a Rust build.rs script)":
doAssert existsEnv"OUT_DIR", "Cargo needs to set the \"OUT_DIR\" environment variable"
let rustOutDir = getEnv"OUT_DIR"
# Compile as position independent, since rust does the same by default
let extflags = if defined(windows): "" # Windows is fully position independent, flag is a no-op or on error depending on compiler.
else: "--passC:-fPIC"
genStaticLib(rustOutDir, rustOutDir/"nimcache", extflags)
task make_zkalc, "Build a benchmark executable for zkalc (with Clang)":
exec "nim c --cc:clang " &
releaseBuildOptions(bmBinary) &
" --threads:on " &
" --out:bin/constantine-bench-zkalc " &
" --nimcache:nimcache/bench_zkalc " &
" benchmarks/zkalc.nim"
proc testLib(path, testName: string, useGMP: bool) =
let dynlibName = if defined(windows): "constantine.dll"
elif defined(macosx) or defined(macos): "libconstantine.dylib"
else: "libconstantine.so"
let staticlibName = if defined(windows): "constantine.lib"
else: "libconstantine.a"
let cc = if existsEnv"CC": getEnv"CC"
else: "gcc"
echo &"\n[Test: {path}/{testName}.c] Testing dynamic library {dynlibName}"
exec &"{cc} -Iinclude -Llib -o build/test_lib/{testName}_dynlink.exe {path}/{testName}.c -lconstantine " & (if useGMP: "-lgmp" else: "")
when defined(windows):
# Put DLL near the exe as LD_LIBRARY_PATH doesn't work even in a POSIX compatible shell
exec &"./build/test_lib/{testName}_dynlink.exe"
else:
exec &"LD_LIBRARY_PATH=lib ./build/test_lib/{testName}_dynlink.exe"
echo ""
echo &"\n[Test: {path}/{testName}.c] Testing static library: {staticlibName}"
# Beware MacOS annoying linker with regards to static libraries
# The following standard way cannot be used on MacOS
# exec "gcc -Iinclude -Llib -o build/t_libctt_bls12_381_sl.exe examples-c/t_libctt_bls12_381.c -lgmp -Wl,-Bstatic -lconstantine -Wl,-Bdynamic"
exec &"{cc} -Iinclude -o build/test_lib/{testName}_staticlink.exe {path}/{testName}.c lib/{staticlibName} " & (if useGMP: "-lgmp" else: "")
exec &"./build/test_lib/{testName}_staticlink.exe"
echo ""
task test_lib, "Test C library":
exec "mkdir -p build/test_lib"
testLib("examples-c", "t_libctt_bls12_381", useGMP = true)
testLib("examples-c", "t_libctt_banderwagon", useGMP = true)
testLib("examples-c", "ethereum_bls_signatures", useGMP = false)
testLib("tests"/"c_api", "t_threadpool", useGMP = false)
# Test config
# ----------------------------------------------------------------
const buildParallel = "build/test_suite_parallel.txt"
# Testing strategy: to reduce CI time we test leaf functionality
# and skip testing codepath that would be exercised by leaves.
# While debugging, relevant unit-test can be reactivated.
# New features should stay on.
# Code refactoring requires re-enabling the full suite.
# Basic primitives should stay on to catch compiler regressions.
const testDesc: seq[tuple[path: string, useGMP: bool]] = @[
# CSPRNG
# ----------------------------------------------------------
("tests/t_csprngs.nim", false),
# Hashing vs OpenSSL
# ----------------------------------------------------------
("tests/t_hash_sha256_vs_openssl.nim", false),
("tests/t_hash_keccak_sha3_vs_openssl.nim", false),
("tests/t_hash_ripemd160_vs_openssl.nim", false),
# Ciphers
# ----------------------------------------------------------
("tests/t_cipher_chacha20.nim", false),
# Message Authentication Code
# ----------------------------------------------------------
("tests/t_mac_poly1305.nim", false),
("tests/t_mac_hmac_sha256.nim", false),
# KDF
# ----------------------------------------------------------
("tests/t_kdf_hkdf.nim", false),
# Primitives
# ----------------------------------------------------------
("tests/primitives/t_primitives.nim", false),
("tests/primitives/t_primitives_extended_precision.nim", false),
("tests/primitives/t_io_unsaturated.nim", false),
# Big ints
# ----------------------------------------------------------
("tests/math_bigints/t_io_bigints.nim", false),
# ("tests/math_bigints/t_bigints.nim", false),
# ("tests/math_bigints/t_bigints_multimod.nim", false),
("tests/math_bigints/t_bigints_mul_vs_gmp.nim", true),
# ("tests/math_bigints/t_bigints_mul_high_words_vs_gmp.nim", true),
# Big ints - arbitrary precision
# ----------------------------------------------------------
("tests/math_arbitrary_precision/t_bigints_mod.nim", false),
("tests/math_arbitrary_precision/t_bigints_mod_vs_gmp.nim", true),
("tests/math_arbitrary_precision/t_bigints_powmod_vs_gmp.nim", true),
# Field
# ----------------------------------------------------------
("tests/math_fields/t_io_fields", false),
# ("tests/math_fields/t_finite_fields.nim", false),
# ("tests/math_fields/t_finite_fields_conditional_arithmetic.nim", false),
("tests/math_fields/t_finite_fields_mulsquare.nim", false),
("tests/math_fields/t_finite_fields_sqrt.nim", false),
("tests/math_fields/t_finite_fields_powinv.nim", false),
("tests/math_fields/t_finite_fields_vs_gmp.nim", true),
# ("tests/math_fields/t_fp_cubic_root.nim", false),
# Double-precision finite fields
# ----------------------------------------------------------
# ("tests/math_fields/t_finite_fields_double_precision.nim", false),
# Towers of extension fields
# ----------------------------------------------------------
# ("tests/math_extension_fields/t_fp2.nim", false),
# ("tests/math_extension_fields/t_fp2_sqrt.nim", false),
# ("tests/math_extension_fields/t_fp4.nim", false),
# ("tests/math_extension_fields/t_fp6_bn254_nogami.nim", false),
# ("tests/math_extension_fields/t_fp6_bn254_snarks.nim", false),
# ("tests/math_extension_fields/t_fp6_bls12_377.nim", false),
# ("tests/math_extension_fields/t_fp6_bls12_381.nim", false),
# ("tests/math_extension_fields/t_fp6_bw6_761.nim", false),
# ("tests/math_extension_fields/t_fp12_bn254_nogami.nim", false),
# ("tests/math_extension_fields/t_fp12_bn254_snarks.nim", false),
# ("tests/math_extension_fields/t_fp12_bls12_377.nim", false),
# ("tests/math_extension_fields/t_fp12_bls12_381.nim", false),
# ("tests/math_extension_fields/t_fp12_exponentiation.nim", false),
("tests/math_extension_fields/t_fp12_anti_regression.nim", false),
# ("tests/math_extension_fields/t_fp4_frobenius.nim", false),
# ("tests/math_extension_fields/t_fp6_frobenius.nim", false),
# ("tests/math_extension_fields/t_fp12_frobenius.nim", false),
# Elliptic curve arithmetic
# ----------------------------------------------------------
("tests/math_elliptic_curves/t_ec_conversion.nim", false),
# Elliptic curve arithmetic 𝔾₁
# ----------------------------------------------------------
("tests/math_elliptic_curves/t_ec_shortw_prj_g1_add_double.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g1_mul_sanity.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g1_mul_distri.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g1_mul_vs_ref.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g1_mixed_add.nim", false),
("tests/math_elliptic_curves/t_ec_shortw_jac_g1_add_double.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g1_mul_sanity.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g1_mul_distri.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g1_mul_vs_ref.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g1_mixed_add.nim", false),
("tests/math_elliptic_curves/t_ec_shortw_jacext_g1_add_double.nim", false),
("tests/math_elliptic_curves/t_ec_shortw_jacext_g1_mixed_add.nim", false),
# ("tests/math_elliptic_curves/t_ec_twedw_prj_add_double", false),
# ("tests/math_elliptic_curves/t_ec_twedw_prj_mul_sanity", false),
("tests/math_elliptic_curves/t_ec_twedw_prj_mul_distri", false),
("tests/math_elliptic_curves/t_ec_shortw_jac_g1_mul_endomorphism_bls12_381", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g1_mul_endomorphism_bls12_381", false),
("tests/math_elliptic_curves/t_ec_shortw_jac_g1_mul_endomorphism_bn254_snarks", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g1_mul_endomorphism_bn254_snarks", false),
("tests/math_elliptic_curves/t_ec_twedwards_mul_endomorphism_bandersnatch", false),
# Elliptic curve arithmetic 𝔾₂
# ----------------------------------------------------------
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_add_double_bn254_snarks.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mul_sanity_bn254_snarks.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mul_distri_bn254_snarks.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mul_vs_ref_bn254_snarks.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mixed_add_bn254_snarks.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_add_double_bls12_381.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mul_sanity_bls12_381.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mul_distri_bls12_381.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mul_vs_ref_bls12_381.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mixed_add_bls12_381.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_add_double_bls12_377.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mul_sanity_bls12_377.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mul_distri_bls12_377.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mul_vs_ref_bls12_377.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mixed_add_bls12_377.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_add_double_bw6_761.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mul_sanity_bw6_761.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mul_distri_bw6_761.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mul_vs_ref_bw6_761.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mixed_add_bw6_761.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_add_double_bn254_snarks.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mul_sanity_bn254_snarks.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mul_distri_bn254_snarks.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mul_vs_ref_bn254_snarks.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mixed_add_bn254_snarks.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_add_double_bls12_381.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mul_sanity_bls12_381.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mul_distri_bls12_381.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mul_vs_ref_bls12_381.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mixed_add_bls12_381.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_add_double_bls12_377.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mul_sanity_bls12_377.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mul_distri_bls12_377.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mul_vs_ref_bls12_377.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mixed_add_bls12_377.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_add_double_bw6_761.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mul_sanity_bw6_761.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mul_distri_bw6_761.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mul_vs_ref_bw6_761.nim", false),
# ("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mixed_add_bw6_761.nim", false),
("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mul_endomorphism_bls12_381", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mul_endomorphism_bls12_381", false),
("tests/math_elliptic_curves/t_ec_shortw_jac_g2_mul_endomorphism_bn254_snarks", false),
# ("tests/math_elliptic_curves/t_ec_shortw_prj_g2_mul_endomorphism_bn254_snarks", false),
# Elliptic curve arithmetic vs Sagemath
# ----------------------------------------------------------
("tests/math_elliptic_curves/t_ec_frobenius.nim", false),
("tests/math_elliptic_curves/t_ec_sage_bn254_nogami.nim", false),
("tests/math_elliptic_curves/t_ec_sage_bn254_snarks.nim", false),
("tests/math_elliptic_curves/t_ec_sage_bls12_377.nim", false),
("tests/math_elliptic_curves/t_ec_sage_bls12_381.nim", false),
("tests/math_elliptic_curves/t_ec_sage_pallas.nim", false),
("tests/math_elliptic_curves/t_ec_sage_vesta.nim", false),
# ("tests/math_elliptic_curves/t_ec_sage_secp256k1.nim", false),
# Edge cases highlighted by past bugs
# ----------------------------------------------------------
("tests/math_elliptic_curves/t_ec_shortw_prj_edge_cases.nim", false),
("tests/math_elliptic_curves/t_ec_shortw_prj_edge_case_345.nim", false),
# Elliptic curve arithmetic - batch computation
# ----------------------------------------------------------
("tests/math_elliptic_curves/t_ec_shortw_prj_g1_sum_reduce.nim", false),
("tests/math_elliptic_curves/t_ec_shortw_jac_g1_sum_reduce.nim", false),
("tests/math_elliptic_curves/t_ec_shortw_jacext_g1_sum_reduce.nim", false),
("tests/math_elliptic_curves/t_ec_shortw_prj_g1_msm.nim", false),
("tests/math_elliptic_curves/t_ec_shortw_jac_g1_msm.nim", false),
("tests/math_elliptic_curves/t_ec_twedw_prj_msm.nim", false),
("tests/math_elliptic_curves/t_ec_shortw_jac_g2_msm_bug_366.nim", false),
# Subgroups and cofactors
# ----------------------------------------------------------
# ("tests/math_elliptic_curves/t_ec_subgroups_bn254_nogami.nim", false),
# ("tests/math_elliptic_curves/t_ec_subgroups_bn254_snarks.nim", false),
# ("tests/math_elliptic_curves/t_ec_subgroups_bls12_377.nim", false),
# ("tests/math_elliptic_curves/t_ec_subgroups_bls12_381.nim", false),
# ("tests/math_pairings/t_pairing_bn254_nogami_gt_subgroup.nim", false),
# ("tests/math_pairings/t_pairing_bn254_snarks_gt_subgroup.nim", false),
# ("tests/math_pairings/t_pairing_bls12_377_gt_subgroup.nim", false),
# ("tests/math_pairings/t_pairing_bls12_381_gt_subgroup.nim", false),
# ("tests/math_pairings/t_pairing_bw6_761_gt_subgroup.nim", false),
# Pairing &
# ----------------------------------------------------------
# ("tests/math_pairings/t_pairing_bls12_377_line_functions.nim", false),
# ("tests/math_pairings/t_pairing_bls12_381_line_functions.nim", false),
# ("tests/math_pairings/t_pairing_mul_fp12_by_lines.nim", false),
("tests/math_pairings/t_pairing_cyclotomic_subgroup.nim", false),
# ("tests/math_pairings/t_pairing_bn254_nogami_optate.nim", false),
# ("tests/math_pairings/t_pairing_bn254_snarks_optate.nim", false),
# ("tests/math_pairings/t_pairing_bls12_377_optate.nim", false),
# ("tests/math_pairings/t_pairing_bls12_381_optate.nim", false),
("tests/math_pairings/t_pairing_bn254_snarks_gt_exp.nim", false),
("tests/math_pairings/t_pairing_bls12_381_gt_exp.nim", false),
("tests/math_pairings/t_pairing_bls12_381_gt_multiexp.nim", false),
# Multi-Pairing
# ----------------------------------------------------------
("tests/math_pairings/t_pairing_bn254_nogami_multi.nim", false),
("tests/math_pairings/t_pairing_bn254_snarks_multi.nim", false),
("tests/math_pairings/t_pairing_bls12_377_multi.nim", false),
("tests/math_pairings/t_pairing_bls12_381_multi.nim", false),
# Prime order fields
# ----------------------------------------------------------
("tests/math_fields/t_fr.nim", false),
# Hashing to elliptic curves
# ----------------------------------------------------------
# ("tests/t_hash_to_field.nim", false),
("tests/t_hash_to_curve_random.nim", false),
("tests/t_hash_to_curve.nim", false),
# Polynomials
# ----------------------------------------------------------
("tests/math_polynomials/t_polynomials.nim", false),
# Protocols
# ----------------------------------------------------------
("tests/t_ethereum_evm_modexp.nim", false),
("tests/t_ethereum_evm_precompiles.nim", false),
("tests/t_ethereum_bls_signatures.nim", false),
("tests/t_ethereum_eip2333_bls12381_key_derivation.nim", false),
("tests/t_ethereum_eip4844_deneb_kzg.nim", false),
("tests/t_ethereum_eip4844_deneb_kzg_parallel.nim", false),
("tests/t_ethereum_verkle_primitives.nim", false),
("tests/t_ethereum_verkle_ipa_primitives.nim", false),
# Signatures
# NOTE: Requires OpenSSL version >=v3.3 for to Keccak256 support
# ("tests/ecdsa/t_ecdsa_verify_openssl.nim", false),
# Proof systems
# ----------------------------------------------------------
("tests/proof_systems/t_r1cs_parser.nim", false),
("tests/interactive_proofs/t_multilinear_extensions.nim", false),
]
const testDescNvidia: seq[string] = @[
"tests/gpu/t_load_store.nim",
"tests/gpu/t_exec_literals_consts.nim",
"tests/gpu/t_nvidia_fp.nim",
"tests/gpu/t_mul.nim",
"tests/gpu/t_neg.nim",
"tests/gpu/t_ccopy.nim",
"tests/gpu/t_cneg.nim",
"tests/gpu/t_nsqr.nim",
"tests/gpu/t_nsqr_rt.nim",
"tests/gpu/t_ec_jac_coords.nim",
"tests/gpu/t_ec_sum.nim"
]
const testDescThreadpool: seq[string] = @[
"examples-threadpool/e01_simple_tasks.nim",
"examples-threadpool/e02_parallel_pi.nim",
"examples-threadpool/e03_parallel_for.nim",
"examples-threadpool/e04_parallel_reduce.nim",
# "benchmarks-threadpool/bouncing_producer_consumer/threadpool_bpc.nim", # Need timing not implemented on Windows
"benchmarks-threadpool/dfs/threadpool_dfs.nim",
"benchmarks-threadpool/fibonacci/threadpool_fib.nim",
"benchmarks-threadpool/heat/threadpool_heat.nim",
# "benchmarks-threadpool/matmul_cache_oblivious/threadpool_matmul_co.nim",
"benchmarks-threadpool/nqueens/threadpool_nqueens.nim",
# "benchmarks-threadpool/single_task_producer/threadpool_spc.nim", # Need timing not implemented on Windows
# "benchmarks-threadpool/black_scholes/threadpool_black_scholes.nim", # Need input file
"benchmarks-threadpool/matrix_transposition/threadpool_transposes.nim",
"benchmarks-threadpool/histogram_2D/threadpool_histogram.nim",
"benchmarks-threadpool/logsumexp/threadpool_logsumexp.nim",
]
const testDescMultithreadedCrypto: seq[string] = @[
"tests/parallel/t_ec_shortw_jac_g1_batch_add_parallel.nim",
"tests/parallel/t_ec_shortw_prj_g1_batch_add_parallel.nim",
"tests/parallel/t_ec_shortw_jac_g1_msm_parallel.nim",
"tests/parallel/t_ec_shortw_prj_g1_msm_parallel.nim",
"tests/parallel/t_ec_twedwards_prj_msm_parallel.nim",
"tests/parallel/t_pairing_bls12_381_gt_multiexp_parallel.nim",
]
const benchDesc = [
"bench_fp",
"bench_fp_double_precision",
"bench_fp2",
"bench_fp4",
"bench_fp6",
"bench_fp12",
"bench_ec_g1",
"bench_ec_g1_scalar_mul",
"bench_ec_g1_batch",
"bench_ec_msm_bandersnatch",
"bench_ec_msm_bn254_snarks_g1",
"bench_ec_msm_bls12_381_g1",
"bench_ec_msm_bls12_381_g2",
"bench_ec_msm_pasta",
"bench_ec_g2",
"bench_ec_g2_scalar_mul",
"bench_pairing_bls12_377",
"bench_pairing_bls12_381",
"bench_pairing_bn254_nogami",
"bench_pairing_bn254_snarks",
"bench_gt",
"bench_gt_multiexp_bls12_381",
"bench_summary_bls12_377",
"bench_summary_bls12_381",
"bench_summary_bn254_nogami",
"bench_summary_bn254_snarks",
"bench_summary_pasta",
"bench_summary_secp256k1",
"bench_poly1305",
"bench_h_sha256",
"bench_h_keccak",
"bench_hash_to_curve",
"bench_gmp_modexp",
"bench_gmp_modmul",
"bench_eth_bls_signatures",
"bench_eth_eip4844_kzg",
"bench_eth_evm_modexp_dos",
"bench_eth_eip2537_subgroup_checks_impact",
"bench_verkle_primitives",
"bench_eth_evm_precompiles",
"bench_multilinear_extensions",
# "zkalc", # Already tested through make_zkalc
]
# For temporary (hopefully) investigation that can only be reproduced in CI
const useDebug = [
"tests/math_bigints/t_bigints.nim",
"tests/t_hash_sha256_vs_openssl.nim",
]
# Skip stack hardening for specific tests
const skipStackHardening = [
"tests/t_"
]
# use sanitizers for specific tests
const useSanitizers = [
"tests/math_arbitrary_precision/t_bigints_powmod_vs_gmp.nim",
"tests/t_ethereum_evm_modexp.nim",
"tests/t_etherem_evm_precompiles.nim",
]
when defined(windows):
# UBSAN is not available on mingw
# https://github.com/libressl-portable/portable/issues/54
const sanitizers = ""
const stackHardening = ""
else:
const stackHardening =
" --passC:-fstack-protector-strong " &
# Fortify source wouldn't help us detect errors in Constantine
# because everything is stack allocated
# except with the threadpool:
# - https://developers.redhat.com/blog/2021/04/16/broadening-compiler-checks-for-buffer-overflows-in-_fortify_source#what_s_next_for__fortify_source
# - https://developers.redhat.com/articles/2023/02/06/how-improve-application-security-using-fortifysource3#how_to_improve_application_fortification
# We also don't use memcpy as it is not constant-time and our copy is compile-time sized.
" --passC:-D_FORTIFY_SOURCE=3 "
const sanitizers =
# Sanitizers are incompatible with nim default GC
# The conservative stack scanning of Nim default GC triggers, alignment UB and stack-buffer-overflow check.
# Address sanitizer requires free registers and needs to be disabled for some inline assembly files.
# Ensure you use --mm:arc -d:useMalloc
#
# Sanitizers are deactivated by default as they slow down CI by at least 6x
" --mm:arc -d:useMalloc" &
" --passC:-fsanitize=undefined --passL:-fsanitize=undefined" &
" --passC:-fsanitize=address --passL:-fsanitize=address" &
" --passC:-fno-sanitize-recover" # Enforce crash on undefined behaviour
# Tests & Benchmarks helper functions
# ----------------------------------------------------------------
proc clearParallelBuild() =
# Support clearing from non POSIX shell like CMD, Powershell or MSYS2
if fileExists(buildParallel):
rmFile(buildParallel)
proc setupTestCommand(flags, path: string): string =
return "nim c -r" &
flags &
releaseBuildOptions() &
" --outdir:build/test_suite " &
&" --nimcache:nimcache/{path} " &
path
proc test(cmd: string) =
echo "\n=============================================================================================="
echo "Running '", cmd, "'"
echo "=============================================================================================="
exec cmd
proc testBatch(commands: var string, flags, path: string) =
commands = commands & setupTestCommand(flags, path) & '\n'
proc setupBench(benchName: string, run: bool): string =
var runFlags = " "
if run: # Beware of https://github.com/nim-lang/Nim/issues/21704
runFlags = runFlags & " -r "
let asmStatus = if getEnvVars().useAsmIfAble: "asmIfAvailable" else: "noAsm"
let cc = if existsEnv"CC": getEnv"CC"
else: "defaultcompiler"
return "nim c " &
runFlags &
releaseBuildOptions() &
&" -o:build/bench/{benchName}_{cc}_{asmStatus}" &
&" --nimcache:nimcache/benches/{benchName}_{cc}_{asmStatus}" &
&" benchmarks/{benchName}.nim"
proc runBench(benchName: string) =
if not dirExists "build":
mkDir "build"
let command = setupBench(benchName, run = true)
echo "\n=============================================================================================="
echo "Running '", command, "'"
echo "=============================================================================================="
exec command
proc buildBenchBatch(commands: var string, benchName: string) =
let command = setupBench(benchName, run = false)
commands = commands & command & '\n'
proc addTestSet(cmdFile: var string, requireGMP: bool) =
if not dirExists "build":
mkDir "build"
echo "Found " & $testDesc.len & " tests to run."
for td in testDesc:
if not(td.useGMP and not requireGMP):
var flags = "" # Beware of https://github.com/nim-lang/Nim/issues/21704
if td.path in useDebug:
flags = flags & " -d:CTT_DEBUG "
if td.path notin skipStackHardening:
flags = flags & stackHardening
if td.path in useSanitizers:
flags = flags & sanitizers
cmdFile.testBatch(flags, td.path)
proc addTestSetNvidia(cmdFile: var string) =
if not dirExists "build":
mkDir "build"
echo "Found " & $testDescNvidia.len & " tests to run."
for path in testDescNvidia:
var flags = "" # Beware of https://github.com/nim-lang/Nim/issues/21704
if path notin skipStackHardening:
flags = flags & stackHardening
if path in useSanitizers:
flags = flags & sanitizers
cmdFile.testBatch(flags, path)
proc addTestSetThreadpool(cmdFile: var string) =
if not dirExists "build":
mkDir "build"
echo "Found " & $testDescThreadpool.len & " tests to run."
for path in testDescThreadpool:
var flags = " --threads:on --debugger:native "
if path notin skipStackHardening:
flags = flags & stackHardening
if path in useSanitizers:
flags = flags & sanitizers
cmdFile.testBatch(flags, path)
proc addTestSetMultithreadedCrypto(cmdFile: var string) =
if not dirExists "build":
mkDir "build"
echo "Found " & $testDescMultithreadedCrypto.len & " tests to run."
for td in testDescMultithreadedCrypto:
var flags = " --threads:on --debugger:native"
if td in useDebug:
flags = flags & " -d:CTT_DEBUG "
if td notin skipStackHardening:
flags = flags & stackHardening
if td in useSanitizers:
flags = flags & sanitizers
cmdFile.testBatch(flags, td)
proc addBenchSet(cmdFile: var string) =
if not dirExists "build":
mkDir "build"
echo "Found " & $benchDesc.len & " benches to compile. (compile-only to ensure they stay relevant)"
for bd in benchDesc:
cmdFile.buildBenchBatch(bd)
proc genParallelCmdRunner() =
exec "nim c --verbosity:0 --hints:off --warnings:off -d:release --out:build/test_suite/pararun --nimcache:nimcache/test_suite/pararun helpers/pararun.nim"
# Tasks
# ----------------------------------------------------------------
task test, "Run all tests":
# -d:CTT_TEST_CURVES is configured in a *.nim.cfg for convenience
var cmdFile: string
cmdFile.addTestSet(requireGMP = true)
cmdFile.addBenchSet() # Build (but don't run) benches to ensure they stay relevant
cmdFile.addTestSetThreadpool()
cmdFile.addTestSetMultithreadedCrypto()
for cmd in cmdFile.splitLines():
if cmd != "": # Windows doesn't like empty commands
exec cmd
task test_no_gmp, "Run tests that don't require GMP":
# -d:CTT_TEST_CURVES is configured in a *.nim.cfg for convenience
var cmdFile: string
cmdFile.addTestSet(requireGMP = false)
cmdFile.addBenchSet() # Build (but don't run) benches to ensure they stay relevant
cmdFile.addTestSetThreadpool()
cmdFile.addTestSetMultithreadedCrypto()
for cmd in cmdFile.splitLines():
if cmd != "": # Windows doesn't like empty commands
exec cmd
task test_parallel, "Run all tests in parallel":
# -d:CTT_TEST_CURVES is configured in a *.nim.cfg for convenience
clearParallelBuild()
genParallelCmdRunner()
var cmdFile: string
cmdFile.addTestSet(requireGMP = true)
cmdFile.addBenchSet() # Build (but don't run) benches to ensure they stay relevant
writeFile(buildParallel, cmdFile)
exec "build/test_suite/pararun " & buildParallel
# Threadpool tests done serially
cmdFile = ""
cmdFile.addTestSetThreadpool()
cmdFile.addTestSetMultithreadedCrypto()
for cmd in cmdFile.splitLines():
if cmd != "": # Windows doesn't like empty commands
exec cmd
task test_parallel_no_gmp, "Run in parallel tests that don't require GMP":
# -d:CTT_TEST_CURVES is configured in a *.nim.cfg for convenience
clearParallelBuild()
genParallelCmdRunner()
var cmdFile: string
cmdFile.addTestSet(requireGMP = false)
cmdFile.addBenchSet() # Build (but don't run) benches to ensure they stay relevant
writeFile(buildParallel, cmdFile)
exec "build/test_suite/pararun " & buildParallel
# Threadpool tests done serially
cmdFile = ""
cmdFile.addTestSetThreadpool()
cmdFile.addTestSetMultithreadedCrypto()
for cmd in cmdFile.splitLines():
if cmd != "": # Windows doesn't like empty commands
exec cmd
task test_threadpool, "Run all tests for the builtin threadpool":
var cmdFile: string
cmdFile.addTestSetThreadpool()
for cmd in cmdFile.splitLines():
if cmd != "": # Windows doesn't like empty commands
exec cmd
task test_multithreaded_crypto, "Run all tests for multithreaded cryptography":
var cmdFile: string
cmdFile.addTestSetMultithreadedCrypto()
for cmd in cmdFile.splitLines():
if cmd != "": # Windows doesn't like empty commands
exec cmd
task test_nvidia, "Run all tests for Nvidia GPUs":
var cmdFile: string
cmdFile.addTestSetNvidia()
for cmd in cmdFile.splitLines():
if cmd != "": # Windows doesn't like empty commands
exec cmd
# BigInt benchmark
# ------------------------------------------
task bench_powmod, "Run modular exponentiation benchmark with your CC compiler":
runBench("bench_powmod")
task bench_gmp_modmul, "Run modular multiplication benchmarks vs GMP":
runBench("bench_gmp_modmul")
task bench_gmp_modexp, "Run modular exponentiation benchmarks vs GMP":
runBench("bench_gmp_modexp")
# Finite field 𝔽p
# ------------------------------------------
task bench_fp, "Run benchmark 𝔽p with your CC compiler":
runBench("bench_fp")
# Double-precision field 𝔽pDbl
# ------------------------------------------
task bench_fpdbl, "Run benchmark 𝔽pDbl with your CC compiler":
runBench("bench_fp_double_precision")
# Extension field 𝔽p2
# ------------------------------------------
task bench_fp2, "Run benchmark 𝔽p2 with your CC compiler":
runBench("bench_fp2")
# Extension field 𝔽p4
# ------------------------------------------