blake2s.h

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// taken from here
// https://github.com/mjosaarinen/blake2_mjosref/blob/master/blake2s.h

#ifndef CORE_BLAKE2S_HASH
#define CORE_BLAKE2S_HASH

#include <cstdlib>

namespace kagome::crypto {

  typedef struct {
    unsigned char opaque[128];
  } blake2s_ctx;

  void blake2s_256_init(blake2s_ctx *ctx);

  void blake2s_update(blake2s_ctx *ctx, const void *in, size_t inlen);

  void blake2s_final(blake2s_ctx *ctx, void *out);

  void blake2s_256(void *out, const void *in, size_t inlen);

  int blake2s_init(blake2s_ctx *ctx,
                   size_t outlen,
                   const void *key,
                   size_t keylen);

  int blake2s(void *out,
              size_t outlen,
              const void *key,
              size_t keylen,
              const void *in,
              size_t inlen);

}  // namespace kagome::crypto

#endif  // CORE_BLAKE2S_HASH