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BLAKE3/src/c/blake3.h
Jack O'Connor b5f1e925f7 rename "offset" to "counter" and always increment it by 1
This is simpler than sometimes incrementing by CHUNK_LEN and other times
incrementing by BLOCK_LEN.
2019-12-12 21:41:30 -05:00

37 lines
1.0 KiB
C

#pragma once
#include <stdint.h>
#define BLAKE3_KEY_LEN 32
#define BLAKE3_OUT_LEN 32
#define BLAKE3_BLOCK_LEN 64
#define BLAKE3_CHUNK_LEN 1024
#define BLAKE3_MAX_DEPTH 53
#define BLAKE3_MAX_SIMD_DEGREE 16
typedef struct {
uint32_t cv[8];
uint64_t chunk_counter;
uint8_t buf[BLAKE3_BLOCK_LEN];
uint8_t buf_len;
uint8_t blocks_compressed;
uint8_t flags;
} blake3_chunk_state;
typedef struct {
uint32_t key[8];
blake3_chunk_state chunk;
uint8_t cv_stack_len;
uint8_t cv_stack[BLAKE3_MAX_DEPTH * BLAKE3_OUT_LEN];
} blake3_hasher;
void blake3_hasher_init(blake3_hasher *self);
void blake3_hasher_init_keyed(blake3_hasher *self,
const uint8_t key[BLAKE3_KEY_LEN]);
void blake3_hasher_init_derive_key(blake3_hasher *self,
const uint8_t key[BLAKE3_KEY_LEN]);
void blake3_hasher_update(blake3_hasher *self, const void *input,
size_t input_len);
void blake3_hasher_finalize(const blake3_hasher *self, uint8_t *out,
size_t out_len);