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//
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//
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//    Copyright 2010 TheSeven
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//
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//
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//    This file is part of emCORE.
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//
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//    emCORE is free software: you can redistribute it and/or
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//    modify it under the terms of the GNU General Public License as
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//    published by the Free Software Foundation, either version 2 of the
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//    License, or (at your option) any later version.
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//
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//    emCORE is distributed in the hope that it will be useful,
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//    but WITHOUT ANY WARRANTY; without even the implied warranty of
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//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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//    See the GNU General Public License for more details.
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//
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//    You should have received a copy of the GNU General Public License along
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//    with emCORE.  If not, see <http://www.gnu.org/licenses/>.
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//
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//
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#include "global.h"
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#include "hmacsha1.h"
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#include "s5l8701.h"
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#include "thread.h"
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struct mutex hmacsha1_mutex;
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void hmacsha1(void* data, uint32_t size, void* result)
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{
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    uint32_t ptr, i;
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    uint32_t ctrl = 2;
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    mutex_lock(&hmacsha1_mutex, TIMEOUT_BLOCK);
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    PWRCON(1) &= ~4;
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    for (ptr = 0; ptr < (size >> 2); ptr += 0x10)
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    {
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      for (i = 0; i < 0x10; i++) HASHDATAIN[i] = ((uint32_t*)data)[ptr + i];
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      HASHCTRL = ctrl;
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      ctrl = 0xA;
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      while (HASHCTRL & 1) yield();
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    }
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    for (i = 0; i < 5; i ++) ((uint32_t*)result)[i] = HASHRESULT[i];
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    PWRCON(1) |= 4;
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    mutex_unlock(&hmacsha1_mutex);
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}