git / moonbite-core / src/crypto/blake3/blake3.h · raw

#ifndef BLAKE3_H#define BLAKE3_H#include <stddef.h>#include <stdint.h>#ifdef __cplusplusextern "C" {#endif#define BLAKE3_VERSION_STRING "0.3.7"#define BLAKE3_KEY_LEN 32#define BLAKE3_OUT_LEN 32#define BLAKE3_BLOCK_LEN 64#define BLAKE3_CHUNK_LEN 1024#define BLAKE3_MAX_DEPTH 54// This struct is a private implementation detail. It has to be here because// it's part of blake3_hasher below.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;  // The stack size is MAX_DEPTH + 1 because we do lazy merging. For example,  // with 7 chunks, we have 3 entries in the stack. Adding an 8th chunk  // requires a 4th entry, rather than merging everything down to 1, because we  // don't know whether more input is coming. This is different from how the  // reference implementation does things.  uint8_t cv_stack[(BLAKE3_MAX_DEPTH + 1) * BLAKE3_OUT_LEN];} blake3_hasher;const char *blake3_version(void);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 char *context);void blake3_hasher_init_derive_key_raw(blake3_hasher *self, const void *context,                                       size_t context_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);void blake3_hasher_finalize_seek(const blake3_hasher *self, uint64_t seek,                                 uint8_t *out, size_t out_len);#ifdef __cplusplus}#endif#endif /* BLAKE3_H */