chacha20.cpp File Reference

#include <crypto/chacha20.h>
#include <crypto/common.h>
#include <span.h>
#include <support/cleanse.h>
#include <algorithm>
#include <cstring>

Include dependency graph for chacha20.cpp:

Go to the source code of this file.

Macros
#define	QUARTERROUND(a, b, c, d)
#define	REPEAT10(a)

Functions
static constexpr uint32_t	rotl32 (uint32_t v, int c)

Macro Definition Documentation

QUARTERROUND

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

Value:

    do {                                                                       \
        a += b;                                                                \
        d = rotl32(d ^ a, 16);                                                 \
        c += d;                                                                \
        b = rotl32(b ^ c, 12);                                                 \
        a += b;                                                                \
        d = rotl32(d ^ a, 8);                                                  \
        c += d;                                                                \
        b = rotl32(b ^ c, 7);                                                  \
    } while (0)

Definition at line 20 of file chacha20.cpp.

REPEAT10

#define REPEAT10

(

a

)

Value:

    do {                                                                       \
        {a};                                                                   \
        {a};                                                                   \
        {a};                                                                   \
        {a};                                                                   \
        {a};                                                                   \
        {a};                                                                   \
        {a};                                                                   \
        {a};                                                                   \
        {a};                                                                   \
        {a};                                                                   \
    } while (0)

Definition at line 32 of file chacha20.cpp.

Function Documentation

rotl32()

static constexpr uint32_t rotl32 ( uint32_t  v, int  c  )

inlinestaticconstexpr

Definition at line 16 of file chacha20.cpp.