124 lines
3.8 KiB
Nim
124 lines
3.8 KiB
Nim
# Constantine
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# Copyright (c) 2018-2019 Status Research & Development GmbH
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# Copyright (c) 2020-Present Mamy André-Ratsimbazafy
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at http://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at http://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import
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# Standard library
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std/[unittest, times],
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# Internal
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../constantine/arithmetic,
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../constantine/io/[io_bigints, io_fields],
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../constantine/config/[curves, common, type_bigint],
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# Test utilities
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../helpers/prng_unsafe
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const Iters = 24
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var rng: RngState
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let seed = uint32(getTime().toUnix() and (1'i64 shl 32 - 1)) # unixTime mod 2^32
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rng.seed(seed)
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echo "\n------------------------------------------------------\n"
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echo "test_finite_fields_double_width xoshiro512** seed: ", seed
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template mulTest(rng_gen: untyped): untyped =
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proc `mul _ rng_gen`(C: static Curve) =
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let a = rng_gen(rng, Fp[C])
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let b = rng.random_unsafe(Fp[C])
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var r_fp{.noInit.}, r_fpDbl{.noInit.}: Fp[C]
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var tmpDbl{.noInit.}: FpDbl[C]
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r_fp.prod(a, b)
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tmpDbl.mulNoReduce(a, b)
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r_fpDbl.reduce(tmpDbl)
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doAssert bool(r_fp == r_fpDbl)
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template sqrTest(rng_gen: untyped): untyped =
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proc `sqr _ rng_gen`(C: static Curve) =
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let a = rng_gen(rng, Fp[C])
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var mulDbl{.noInit.}, sqrDbl{.noInit.}: FpDbl[C]
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mulDbl.mulNoReduce(a, a)
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sqrDbl.squareNoReduce(a)
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doAssert bool(mulDbl == sqrDbl)
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mulTest(random_unsafe)
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mulTest(randomHighHammingWeight)
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mulTest(random_long01Seq)
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sqrTest(random_unsafe)
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sqrTest(randomHighHammingWeight)
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sqrTest(random_long01Seq)
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suite "Field Multiplication via double-width field elements is consistent with single-width." & " [" & $WordBitwidth & "-bit mode]":
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test "With P-224 field modulus":
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for _ in 0 ..< Iters:
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mul_random_unsafe(P224)
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for _ in 0 ..< Iters:
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mul_randomHighHammingWeight(P224)
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for _ in 0 ..< Iters:
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mul_random_long01Seq(P224)
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test "With P-256 field modulus":
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for _ in 0 ..< Iters:
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mul_random_unsafe(P256)
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for _ in 0 ..< Iters:
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mul_randomHighHammingWeight(P256)
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for _ in 0 ..< Iters:
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mul_random_long01Seq(P256)
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test "With BN254_Snarks field modulus":
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for _ in 0 ..< Iters:
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mul_random_unsafe(BN254_Snarks)
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for _ in 0 ..< Iters:
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mul_randomHighHammingWeight(BN254_Snarks)
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for _ in 0 ..< Iters:
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mul_random_long01Seq(BN254_Snarks)
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test "With BLS12_381 field modulus":
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for _ in 0 ..< Iters:
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mul_random_unsafe(BLS12_381)
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for _ in 0 ..< Iters:
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mul_randomHighHammingWeight(BLS12_381)
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for _ in 0 ..< Iters:
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mul_random_long01Seq(BLS12_381)
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suite "Field Squaring via double-width field elements is consistent with single-width." & " [" & $WordBitwidth & "-bit mode]":
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test "With P-224 field modulus":
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for _ in 0 ..< Iters:
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sqr_random_unsafe(P224)
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for _ in 0 ..< Iters:
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sqr_randomHighHammingWeight(P224)
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for _ in 0 ..< Iters:
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sqr_random_long01Seq(P224)
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test "With P-256 field modulus":
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for _ in 0 ..< Iters:
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sqr_random_unsafe(P256)
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for _ in 0 ..< Iters:
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sqr_randomHighHammingWeight(P256)
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for _ in 0 ..< Iters:
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sqr_random_long01Seq(P256)
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test "With BN254_Snarks field modulus":
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for _ in 0 ..< Iters:
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sqr_random_unsafe(BN254_Snarks)
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for _ in 0 ..< Iters:
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sqr_randomHighHammingWeight(BN254_Snarks)
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for _ in 0 ..< Iters:
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sqr_random_long01Seq(BN254_Snarks)
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test "With BLS12_381 field modulus":
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for _ in 0 ..< Iters:
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sqr_random_unsafe(BLS12_381)
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for _ in 0 ..< Iters:
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sqr_randomHighHammingWeight(BLS12_381)
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for _ in 0 ..< Iters:
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sqr_random_long01Seq(BLS12_381)
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