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Diffstat (limited to 'thirdparty/BLAKE3/c/blake3_impl.h')
| -rw-r--r-- | thirdparty/BLAKE3/c/blake3_impl.h | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/thirdparty/BLAKE3/c/blake3_impl.h b/thirdparty/BLAKE3/c/blake3_impl.h deleted file mode 100644 index 86ab6aa25..000000000 --- a/thirdparty/BLAKE3/c/blake3_impl.h +++ /dev/null @@ -1,269 +0,0 @@ -#ifndef BLAKE3_IMPL_H -#define BLAKE3_IMPL_H - -#include <assert.h> -#include <stdbool.h> -#include <stddef.h> -#include <stdint.h> -#include <string.h> - -#include "blake3.h" - -// internal flags -enum blake3_flags { - CHUNK_START = 1 << 0, - CHUNK_END = 1 << 1, - PARENT = 1 << 2, - ROOT = 1 << 3, - KEYED_HASH = 1 << 4, - DERIVE_KEY_CONTEXT = 1 << 5, - DERIVE_KEY_MATERIAL = 1 << 6, -}; - -// This C implementation tries to support recent versions of GCC, Clang, and -// MSVC. -#if defined(_MSC_VER) -#define INLINE static __forceinline -#else -#define INLINE static inline __attribute__((always_inline)) -#endif - -#if defined(__x86_64__) || defined(_M_X64) -#define IS_X86 -#define IS_X86_64 -#endif - -#if defined(__i386__) || defined(_M_IX86) -#define IS_X86 -#define IS_X86_32 -#endif - -#if defined(IS_X86) -#if defined(_MSC_VER) -#include <intrin.h> -#endif -#include <immintrin.h> -#endif - -#if defined(IS_X86) -#define MAX_SIMD_DEGREE 16 -#elif defined(BLAKE3_USE_NEON) -#define MAX_SIMD_DEGREE 4 -#else -#define MAX_SIMD_DEGREE 1 -#endif - -// There are some places where we want a static size that's equal to the -// MAX_SIMD_DEGREE, but also at least 2. -#define MAX_SIMD_DEGREE_OR_2 (MAX_SIMD_DEGREE > 2 ? MAX_SIMD_DEGREE : 2) - -static const uint32_t IV[8] = {0x6A09E667UL, 0xBB67AE85UL, 0x3C6EF372UL, - 0xA54FF53AUL, 0x510E527FUL, 0x9B05688CUL, - 0x1F83D9ABUL, 0x5BE0CD19UL}; - -static const uint8_t MSG_SCHEDULE[7][16] = { - {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, - {2, 6, 3, 10, 7, 0, 4, 13, 1, 11, 12, 5, 9, 14, 15, 8}, - {3, 4, 10, 12, 13, 2, 7, 14, 6, 5, 9, 0, 11, 15, 8, 1}, - {10, 7, 12, 9, 14, 3, 13, 15, 4, 0, 11, 2, 5, 8, 1, 6}, - {12, 13, 9, 11, 15, 10, 14, 8, 7, 2, 5, 3, 0, 1, 6, 4}, - {9, 14, 11, 5, 8, 12, 15, 1, 13, 3, 0, 10, 2, 6, 4, 7}, - {11, 15, 5, 0, 1, 9, 8, 6, 14, 10, 2, 12, 3, 4, 7, 13}, -}; - -/* Find index of the highest set bit */ -/* x is assumed to be nonzero. */ -static unsigned int highest_one(uint64_t x) { -#if defined(__GNUC__) || defined(__clang__) - return 63 ^ __builtin_clzll(x); -#elif defined(_MSC_VER) && defined(IS_X86_64) - unsigned long index; - _BitScanReverse64(&index, x); - return index; -#elif defined(_MSC_VER) && defined(IS_X86_32) - if(x >> 32) { - unsigned long index; - _BitScanReverse(&index, x >> 32); - return 32 + index; - } else { - unsigned long index; - _BitScanReverse(&index, x); - return index; - } -#else - unsigned int c = 0; - if(x & 0xffffffff00000000ULL) { x >>= 32; c += 32; } - if(x & 0x00000000ffff0000ULL) { x >>= 16; c += 16; } - if(x & 0x000000000000ff00ULL) { x >>= 8; c += 8; } - if(x & 0x00000000000000f0ULL) { x >>= 4; c += 4; } - if(x & 0x000000000000000cULL) { x >>= 2; c += 2; } - if(x & 0x0000000000000002ULL) { c += 1; } - return c; -#endif -} - -// Count the number of 1 bits. -INLINE unsigned int popcnt(uint64_t x) { -#if defined(__GNUC__) || defined(__clang__) - return __builtin_popcountll(x); -#else - unsigned int count = 0; - while (x != 0) { - count += 1; - x &= x - 1; - } - return count; -#endif -} - -// Largest power of two less than or equal to x. As a special case, returns 1 -// when x is 0. -INLINE uint64_t round_down_to_power_of_2(uint64_t x) { - return 1ULL << highest_one(x | 1); -} - -INLINE uint32_t counter_low(uint64_t counter) { return (uint32_t)counter; } - -INLINE uint32_t counter_high(uint64_t counter) { - return (uint32_t)(counter >> 32); -} - -INLINE uint32_t load32(const void *src) { - const uint8_t *p = (const uint8_t *)src; - return ((uint32_t)(p[0]) << 0) | ((uint32_t)(p[1]) << 8) | - ((uint32_t)(p[2]) << 16) | ((uint32_t)(p[3]) << 24); -} - -INLINE void load_key_words(const uint8_t key[BLAKE3_KEY_LEN], - uint32_t key_words[8]) { - key_words[0] = load32(&key[0 * 4]); - key_words[1] = load32(&key[1 * 4]); - key_words[2] = load32(&key[2 * 4]); - key_words[3] = load32(&key[3 * 4]); - key_words[4] = load32(&key[4 * 4]); - key_words[5] = load32(&key[5 * 4]); - key_words[6] = load32(&key[6 * 4]); - key_words[7] = load32(&key[7 * 4]); -} - -INLINE void store32(void *dst, uint32_t w) { - uint8_t *p = (uint8_t *)dst; - p[0] = (uint8_t)(w >> 0); - p[1] = (uint8_t)(w >> 8); - p[2] = (uint8_t)(w >> 16); - p[3] = (uint8_t)(w >> 24); -} - -INLINE void store_cv_words(uint8_t bytes_out[32], uint32_t cv_words[8]) { - store32(&bytes_out[0 * 4], cv_words[0]); - store32(&bytes_out[1 * 4], cv_words[1]); - store32(&bytes_out[2 * 4], cv_words[2]); - store32(&bytes_out[3 * 4], cv_words[3]); - store32(&bytes_out[4 * 4], cv_words[4]); - store32(&bytes_out[5 * 4], cv_words[5]); - store32(&bytes_out[6 * 4], cv_words[6]); - store32(&bytes_out[7 * 4], cv_words[7]); -} - -void blake3_compress_in_place(uint32_t cv[8], - const uint8_t block[BLAKE3_BLOCK_LEN], - uint8_t block_len, uint64_t counter, - uint8_t flags); - -void blake3_compress_xof(const uint32_t cv[8], - const uint8_t block[BLAKE3_BLOCK_LEN], - uint8_t block_len, uint64_t counter, uint8_t flags, - uint8_t out[64]); - -void blake3_hash_many(const uint8_t *const *inputs, size_t num_inputs, - size_t blocks, const uint32_t key[8], uint64_t counter, - bool increment_counter, uint8_t flags, - uint8_t flags_start, uint8_t flags_end, uint8_t *out); - -size_t blake3_simd_degree(void); - - -// Declarations for implementation-specific functions. -void blake3_compress_in_place_portable(uint32_t cv[8], - const uint8_t block[BLAKE3_BLOCK_LEN], - uint8_t block_len, uint64_t counter, - uint8_t flags); - -void blake3_compress_xof_portable(const uint32_t cv[8], - const uint8_t block[BLAKE3_BLOCK_LEN], - uint8_t block_len, uint64_t counter, - uint8_t flags, uint8_t out[64]); - -void blake3_hash_many_portable(const uint8_t *const *inputs, size_t num_inputs, - size_t blocks, const uint32_t key[8], - uint64_t counter, bool increment_counter, - uint8_t flags, uint8_t flags_start, - uint8_t flags_end, uint8_t *out); - -#if defined(IS_X86) -#if !defined(BLAKE3_NO_SSE2) -void blake3_compress_in_place_sse2(uint32_t cv[8], - const uint8_t block[BLAKE3_BLOCK_LEN], - uint8_t block_len, uint64_t counter, - uint8_t flags); -void blake3_compress_xof_sse2(const uint32_t cv[8], - const uint8_t block[BLAKE3_BLOCK_LEN], - uint8_t block_len, uint64_t counter, - uint8_t flags, uint8_t out[64]); -void blake3_hash_many_sse2(const uint8_t *const *inputs, size_t num_inputs, - size_t blocks, const uint32_t key[8], - uint64_t counter, bool increment_counter, - uint8_t flags, uint8_t flags_start, - uint8_t flags_end, uint8_t *out); -#endif -#if !defined(BLAKE3_NO_SSE41) -void blake3_compress_in_place_sse41(uint32_t cv[8], - const uint8_t block[BLAKE3_BLOCK_LEN], - uint8_t block_len, uint64_t counter, - uint8_t flags); -void blake3_compress_xof_sse41(const uint32_t cv[8], - const uint8_t block[BLAKE3_BLOCK_LEN], - uint8_t block_len, uint64_t counter, - uint8_t flags, uint8_t out[64]); -void blake3_hash_many_sse41(const uint8_t *const *inputs, size_t num_inputs, - size_t blocks, const uint32_t key[8], - uint64_t counter, bool increment_counter, - uint8_t flags, uint8_t flags_start, - uint8_t flags_end, uint8_t *out); -#endif -#if !defined(BLAKE3_NO_AVX2) -void blake3_hash_many_avx2(const uint8_t *const *inputs, size_t num_inputs, - size_t blocks, const uint32_t key[8], - uint64_t counter, bool increment_counter, - uint8_t flags, uint8_t flags_start, - uint8_t flags_end, uint8_t *out); -#endif -#if !defined(BLAKE3_NO_AVX512) -void blake3_compress_in_place_avx512(uint32_t cv[8], - const uint8_t block[BLAKE3_BLOCK_LEN], - uint8_t block_len, uint64_t counter, - uint8_t flags); - -void blake3_compress_xof_avx512(const uint32_t cv[8], - const uint8_t block[BLAKE3_BLOCK_LEN], - uint8_t block_len, uint64_t counter, - uint8_t flags, uint8_t out[64]); - -void blake3_hash_many_avx512(const uint8_t *const *inputs, size_t num_inputs, - size_t blocks, const uint32_t key[8], - uint64_t counter, bool increment_counter, - uint8_t flags, uint8_t flags_start, - uint8_t flags_end, uint8_t *out); -#endif -#endif - -#if defined(BLAKE3_USE_NEON) -void blake3_hash_many_neon(const uint8_t *const *inputs, size_t num_inputs, - size_t blocks, const uint32_t key[8], - uint64_t counter, bool increment_counter, - uint8_t flags, uint8_t flags_start, - uint8_t flags_end, uint8_t *out); -#endif - - -#endif /* BLAKE3_IMPL_H */ |