chacha.cpp File Reference

#include <botan/chacha.h>
#include <botan/exceptn.h>
#include <botan/loadstor.h>
#include <botan/rotate.h>
#include <botan/cpuid.h>

Go to the source code of this file.

Namespaces
	Botan

Macros
#define	CHACHA_QUARTER_ROUND(a, b, c, d)

Macro Definition Documentation

#define CHACHA_QUARTER_ROUND	(		a,
			b,
			c,
			d
	)

Value:

do {                               \
      a += b; d ^= a; d = rotl<16>(d);   \
      c += d; b ^= c; b = rotl<12>(b);   \
      a += b; d ^= a; d = rotl<8>(d);    \
      c += d; b ^= c; b = rotl<7>(b);    \
      } while(0)

Definition at line 18 of file chacha.cpp.