Remove keccakf800()

chfast · Nov 9, 2021 · b197650 · b197650
1 parent d0d5d4a
commit b197650
Show file tree

Hide file tree

Showing 5 changed files with 0 additions and 279 deletions.
diff --git a/include/ethash/keccak.h b/include/ethash/keccak.h
@@ -17,16 +17,6 @@
 extern "C" {
 #endif
 
-/**
- * The Keccak-f[800] function.
- *
- * The implementation of the Keccak-f function with 800-bit width of the permutation (b).
- * The size of the state is also 800 bit what gives 25 32-bit words.
- *
- * @param state  The state of 25 32-bit words on which the permutation is to be performed.
- */
-void ethash_keccakf800(uint32_t state[25]) noexcept;
-
 union ethash_hash256 ethash_keccak256(const uint8_t* data, size_t size) noexcept;
 union ethash_hash256 ethash_keccak256_32(const uint8_t data[32]) noexcept;
 union ethash_hash512 ethash_keccak512(const uint8_t* data, size_t size) noexcept;

diff --git a/lib/keccak/CMakeLists.txt b/lib/keccak/CMakeLists.txt
@@ -13,7 +13,6 @@ target_sources(keccak PRIVATE
     ${include_dir}/ethash/keccak.h
     ${include_dir}/ethash/keccak.hpp
     keccak.c
-    keccakf800.c
 )
 
 install(

diff --git a/lib/keccak/keccakf800.c b/lib/keccak/keccakf800.c
diff --git a/test/benchmarks/keccak_benchmarks.cpp b/test/benchmarks/keccak_benchmarks.cpp
@@ -13,18 +13,6 @@ void fake_keccakf1600(uint64_t* state) noexcept
     (void)state;
 }
 
-static void keccakf800(benchmark::State& state)
-{
-    uint32_t keccak_state[25] = {};
-
-    for (auto _ : state)
-    {
-        ethash_keccakf800(keccak_state);
-        benchmark::DoNotOptimize(keccak_state);
-    }
-}
-BENCHMARK(keccakf800);
-
 
 static void keccak256(benchmark::State& state)
 {

diff --git a/test/unittests/test_keccak.cpp b/test/unittests/test_keccak.cpp
@@ -247,32 +247,6 @@ TEST(keccak, hpp_aliases)
     EXPECT_EQ(keccak512_64(data).word64s[1], ethash_keccak512_64(data).word64s[1]);
 }
 
-TEST(keccak, f800)
-{
-    // Test vectors from
-    // https://github.com/XKCP/XKCP/blob/master/tests/TestVectors/KeccakF-800-IntermediateValues.txt.
-
-    uint32_t state[25] = {};
-
-    const uint32_t expected_state_0[] = {0xE531D45D, 0xF404C6FB, 0x23A0BF99, 0xF1F8452F, 0x51FFD042,
-        0xE539F578, 0xF00B80A7, 0xAF973664, 0xBF5AF34C, 0x227A2424, 0x88172715, 0x9F685884,
-        0xB15CD054, 0x1BF4FC0E, 0x6166FA91, 0x1A9E599A, 0xA3970A1F, 0xAB659687, 0xAFAB8D68,
-        0xE74B1015, 0x34001A98, 0x4119EFF3, 0x930A0E76, 0x87B28070, 0x11EFE996};
-
-    ethash_keccakf800(state);
-    for (size_t i = 0; i < 25; ++i)
-        EXPECT_EQ(state[i], expected_state_0[i]);
-
-    const uint32_t expected_state_1[] = {0x75BF2D0D, 0x9B610E89, 0xC826AF40, 0x64CD84AB, 0xF905BDD6,
-        0xBC832835, 0x5F8001B9, 0x15662CCE, 0x8E38C95E, 0x701FE543, 0x1B544380, 0x89ACDEFF,
-        0x51EDB5DE, 0x0E9702D9, 0x6C19AA16, 0xA2913EEE, 0x60754E9A, 0x9819063C, 0xF4709254,
-        0xD09F9084, 0x772DA259, 0x1DB35DF7, 0x5AA60162, 0x358825D5, 0xB3783BAB};
-
-    ethash_keccakf800(state);
-    for (size_t i = 0; i < 25; ++i)
-        EXPECT_EQ(state[i], expected_state_1[i]);
-}
-
 TEST(helpers, to_hex)
 {
     hash256 h = {};