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 * This file contains Original Code and/or Modifications of Original Code
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#include "cc_runtime_config.h"
#include "ccaes_vng_gcm.h"
#include "ccmode_internal.h"

/*!
 *  GCM multiply by H
 *  @param key   The GCM state which holds the H value
 *  @param I     The value to multiply H by
 */
void
ccmode_gcm_mult_h(ccgcm_ctx *key, unsigned char *I)
{
#if CCMODE_GCM_VNG_SPEEDUP
#ifdef  __x86_64__
	if (!(CC_HAS_AESNI() && CC_HAS_SupplementalSSE3())) {
		//It can handle in and out buffers to be the same
		ccmode_gcm_gf_mult(CCMODE_GCM_KEY_H(key), I, I);
		return;
	} else
#endif
	{
		// CCMODE_GCM_VNG_KEY_Htable must be the second argument. gcm_gmult() is not a general multiplier function.
		gcm_gmult(I, CCMODE_GCM_VNG_KEY_Htable(key), I );
		return;
	}
#else
	//It can handle in and out buffers to be the same
	ccmode_gcm_gf_mult(CCMODE_GCM_KEY_H(key), I, I);
#endif
}