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// Based on public domain code written in 2012 by Samuel Neves
#ifndef _RAR_BLAKE2_
#define _RAR_BLAKE2_
#if defined(_MSC_VER)
#define BLAKE_ALIGN(x) __declspec(align(x))
#else
#define BLAKE_ALIGN(x) __attribute__((aligned(x)))
#endif
#define BLAKE2_DIGEST_SIZE 32
enum blake2s_constant
{
BLAKE2S_BLOCKBYTES = 64,
BLAKE2S_OUTBYTES = 32
};
// Alignment improves performance of non-SSE version a little
// and is required for SSE version.
BLAKE_ALIGN( 64 )
typedef struct __blake2s_state
{
uint32 h[8];
uint32 t[2];
uint32 f[2];
byte buf[2 * BLAKE2S_BLOCKBYTES];
size_t buflen;
byte last_node;
} blake2s_state ;
#ifdef RAR_SMP
class ThreadPool;
#endif
typedef struct __blake2sp_state
{
blake2s_state S[8][1];
blake2s_state R[1];
byte buf[8 * BLAKE2S_BLOCKBYTES];
size_t buflen;
#ifdef RAR_SMP
ThreadPool *ThPool;
uint MaxThreads;
#endif
} blake2sp_state;
void blake2sp_init( blake2sp_state *S );
void blake2sp_update( blake2sp_state *S, const byte *in, size_t inlen );
void blake2sp_final( blake2sp_state *S, byte *digest );
#endif
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