mirror of
https://github.com/hashcat/hashcat.git
synced 2024-12-22 22:58:30 +00:00
103 lines
2.3 KiB
C++
103 lines
2.3 KiB
C++
// Based on public domain code written in 2012 by Samuel Neves
|
|
#ifndef _RAR_BLAKE2_
|
|
#define _RAR_BLAKE2_
|
|
|
|
#define BLAKE2_DIGEST_SIZE 32
|
|
#define BLAKE2_THREADS_NUMBER 8
|
|
|
|
enum blake2s_constant
|
|
{
|
|
BLAKE2S_BLOCKBYTES = 64,
|
|
BLAKE2S_OUTBYTES = 32
|
|
};
|
|
|
|
|
|
// Alignment to 64 improves performance of both SSE and non-SSE versions.
|
|
// Alignment to n*16 is required for SSE version, so we selected 64.
|
|
// We use the custom alignment scheme instead of __declspec(align(x)),
|
|
// because it is less compiler dependent. Also the compiler directive
|
|
// does not help if structure is a member of class allocated through
|
|
// 'new' operator.
|
|
struct blake2s_state
|
|
{
|
|
enum { BLAKE_ALIGNMENT = 64 };
|
|
|
|
// buffer and uint32 h[8], t[2], f[2];
|
|
enum { BLAKE_DATA_SIZE = 48 + 2 * BLAKE2S_BLOCKBYTES };
|
|
|
|
byte ubuf[BLAKE_DATA_SIZE + BLAKE_ALIGNMENT];
|
|
|
|
byte *buf; // byte buf[2 * BLAKE2S_BLOCKBYTES].
|
|
uint32 *h, *t, *f; // uint32 h[8], t[2], f[2].
|
|
|
|
size_t buflen;
|
|
byte last_node;
|
|
|
|
blake2s_state()
|
|
{
|
|
set_pointers();
|
|
}
|
|
|
|
// Required when we declare and assign in the same command.
|
|
blake2s_state(blake2s_state &st)
|
|
{
|
|
set_pointers();
|
|
*this=st;
|
|
}
|
|
|
|
void set_pointers()
|
|
{
|
|
// Set aligned pointers. Must be done in constructor, not in Init(),
|
|
// so assignments like 'blake2sp_state res=blake2ctx' work correctly
|
|
// even if blake2sp_init is not called for 'res'.
|
|
buf = (byte *) ALIGN_VALUE(ubuf, BLAKE_ALIGNMENT);
|
|
h = (uint32 *) (buf + 2 * BLAKE2S_BLOCKBYTES);
|
|
t = h + 8;
|
|
f = t + 2;
|
|
}
|
|
|
|
void init()
|
|
{
|
|
memset( ubuf, 0, sizeof( ubuf ) );
|
|
buflen = 0;
|
|
last_node = 0;
|
|
}
|
|
|
|
// Since we use pointers, the default = would work incorrectly.
|
|
blake2s_state& operator = (blake2s_state &st)
|
|
{
|
|
if (this != &st)
|
|
{
|
|
memcpy(buf, st.buf, BLAKE_DATA_SIZE);
|
|
buflen = st.buflen;
|
|
last_node = st.last_node;
|
|
}
|
|
return *this;
|
|
}
|
|
};
|
|
|
|
|
|
#ifdef RAR_SMP
|
|
class ThreadPool;
|
|
#endif
|
|
|
|
struct blake2sp_state
|
|
{
|
|
blake2s_state S[8];
|
|
blake2s_state R;
|
|
byte buf[8 * BLAKE2S_BLOCKBYTES];
|
|
size_t buflen;
|
|
|
|
#ifdef RAR_SMP
|
|
ThreadPool *ThPool;
|
|
uint MaxThreads;
|
|
#endif
|
|
};
|
|
|
|
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
|
|
|