engine/gost_digest.h at master · gost-engine/engine · GitHub

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#pragma once

#include <stddef.h>
#include <stdint.h>

#include "utils_one_level_inheritance.h"

struct gost_digest_st;
typedef struct gost_digest_st GOST_digest;

struct gost_digest_ctx_st;
typedef struct gost_digest_ctx_st GOST_digest_ctx;

typedef GOST_digest_ctx* (gost_digest_st_new_fn)(const GOST_digest *);
typedef void (gost_digest_st_free_fn)(GOST_digest_ctx *);

typedef int (gost_digest_st_init_fn)(GOST_digest_ctx *ctx);
typedef int (gost_digest_st_update_fn)(GOST_digest_ctx *ctx, const void *data, size_t count);
typedef int (gost_digest_st_final_fn)(GOST_digest_ctx *ctx, unsigned char *md);
typedef int (gost_digest_st_copy_fn)(GOST_digest_ctx *to, const GOST_digest_ctx *from);
typedef int (gost_digest_st_cleanup_fn)(GOST_digest_ctx *ctx);
typedef int (gost_digest_st_ctrl_fn)(GOST_digest_ctx *ctx, int cmd, int p1, void *p2);

typedef void (gost_digest_st_static_init_fn)(const GOST_digest *);
typedef void (gost_digest_st_static_deinit_fn)(const GOST_digest *);

struct gost_digest_st {
    DECL_BASE(const struct gost_digest_st);

    DECL_MEMBER(int, nid);
    DECL_MEMBER(const char *, alias);
    DECL_MEMBER(int, result_size);
    DECL_MEMBER(int, input_blocksize);
    DECL_MEMBER(int, flags);
    DECL_MEMBER(const char *, micalg);
    DECL_MEMBER(size_t, algctx_size);

    DECL_MEMBER(gost_digest_st_new_fn *, new);
    DECL_MEMBER(gost_digest_st_free_fn *, free);
    DECL_MEMBER(gost_digest_st_init_fn *, init);
    DECL_MEMBER(gost_digest_st_update_fn *, update);
    DECL_MEMBER(gost_digest_st_final_fn *, final);
    DECL_MEMBER(gost_digest_st_copy_fn *, copy);
    DECL_MEMBER(gost_digest_st_cleanup_fn *, cleanup);
    DECL_MEMBER(gost_digest_st_ctrl_fn *, ctrl);

    DECL_MEMBER(gost_digest_st_static_init_fn *, static_init);
    DECL_MEMBER(gost_digest_st_static_deinit_fn *, static_deinit);
};

struct gost_digest_ctx_st {
    const GOST_digest* cls;
    void* algctx;
};

void* GOST_digest_ctx_data(const GOST_digest_ctx* ctx);