blake2s.cpp File Reference

#include "blake2s.h"
#include <cstdint>

Include dependency graph for blake2s.cpp:

Go to the source code of this file.

Classes
struct	kagome::crypto::blake2s_ctx_full

Namespaces
	kagome::crypto

Macros
#define	_256_bits   32
#define	ROTR32(x, y)   (((x) >> (y)) ^ ((x) << (32 - (y))))
#define	B2S_GET32(p)
#define	B2S_G(a, b, c, d, x, y)

Functions
static void	kagome::crypto::blake2s_compress (blake2s_ctx_full *ctx, int last)
void	kagome::crypto::blake2s_update (blake2s_ctx *ctx, const void *in, size_t inlen)
	Update context with incoming bytes. More...
void	kagome::crypto::blake2s_final (blake2s_ctx *ctx, void *out)
	Finalize hash calculation. More...
int	kagome::crypto::blake2s_init (blake2s_ctx *ctx, size_t outlen, const void *key, size_t keylen)
	Generic blake2s init function. More...
int	kagome::crypto::blake2s (void *out, size_t outlen, const void *key, size_t keylen, const void *in, size_t inlen)
	All in one blake2s hashing function. More...
void	kagome::crypto::blake2s_256_init (blake2s_ctx *ctx)
	Initialize hash context. More...
void	kagome::crypto::blake2s_256 (void *out, const void *in, size_t inlen)
	One-shot convenience function to calculate blake2s_256 hash. More...

Variables
static const uint32_t	kagome::crypto::blake2s_iv [8]

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Class Documentation

struct kagome::crypto::blake2s_ctx_full

Definition at line 29 of file blake2s.cpp.

Collaboration diagram for kagome::crypto::blake2s_ctx_full:

Class Members
uint8_t	b[64]
size_t	c
uint32_t	h[8]
size_t	outlen
uint32_t	t[2]

Macro Definition Documentation

#define _256_bits   32

Definition at line 18 of file blake2s.cpp.

#define B2S_G	(		a,
			b,
			c,
			d,
			x,
			y
	)

Value:

{                                 \
    v[a] = v[a] + v[b] + (x);       \
    v[d] = ROTR32(v[d] ^ v[a], 16); \
    v[c] = v[c] + v[d];             \
    v[b] = ROTR32(v[b] ^ v[c], 12); \
    v[a] = v[a] + v[b] + (y);       \
    v[d] = ROTR32(v[d] ^ v[a], 8);  \
    v[c] = v[c] + v[d];             \
    v[b] = ROTR32(v[b] ^ v[c], 7);  \
  }

Definition at line 44 of file blake2s.cpp.

#define B2S_GET32

(

p

)

Value:

(((uint32_t)((uint8_t *)(p))[0]) ^ (((uint32_t)((uint8_t *)(p))[1]) << 8) \
   ^ (((uint32_t)((uint8_t *)(p))[2]) << 16)                                \
   ^ (((uint32_t)((uint8_t *)(p))[3]) << 24))

Definition at line 37 of file blake2s.cpp.

#define ROTR32	(		x,
			y
	)		(((x) >> (y)) ^ ((x) << (32 - (y))))

Definition at line 23 of file blake2s.cpp.