SHA3.cpp File Reference

Include dependency graph for SHA3.cpp:

Go to the source code of this file.

Namespaces
namespace	dev
namespace	dev::keccak

Macros
#define	_(S)
#define	decsha3(bits)   int sha3_##bits(uint8_t*, size_t, const uint8_t*, size_t);
#define	decshake(bits)   int shake##bits(uint8_t*, size_t, const uint8_t*, size_t);
	libkeccak-tiny
#define	defsha3(bits)
#define	defshake(bits)
#define	foldP(I, L, F)
#define	FOR(i, ST, L, S)   _(for (size_t i = 0; i < L; i += ST) { S; })
#define	FOR5(v, s, e)
#define	mkapply_ds(NAME, S)    static inline void NAME(uint8_t* dst, const uint8_t* src, size_t len) { FOR(i, 1, len, S); }
#define	mkapply_sd(NAME, S)    static inline void NAME(const uint8_t* src, uint8_t* dst, size_t len) { FOR(i, 1, len, S); }
#define	P   keccakf
#define	Plen   200
#define	REPEAT24(e)   REPEAT6(e e e e)
#define	REPEAT5(e)   e e e e e
#define	REPEAT6(e)   e e e e e e
#define	rol(x, s)   (((x) << s) | ((x) >> (64 - s)))

Functions
	dev::keccak::decshake (128) decshake(256) decsha3(224) decsha3(256) decsha3(384) decsha3(512) static const uint8_t rho[24]
static void	dev::keccak::keccakf (void *state)
	dev::keccak::mkapply_ds (xorin, dst[i] ^=src[i]) mkapply_sd(setout
bool	dev::sha3 (bytesConstRef _input, bytesRef o_output)
	Calculate SHA3-256 hash of the given input and load it into the given output.

Variables
h256	dev::EmptySHA3 = sha3(bytesConstRef())
static const uint8_t	dev::keccak::pi [24]
static const uint64_t	dev::keccak::RC [24]

Detailed Description

Author

Gav Wood i@gav.nosp@m.wood.nosp@m..com

Date

2014

Definition in file SHA3.cpp.

Macro Definition Documentation

_

#define _

(

S

)

Value:

    do { \
        S \
    } while (0)

Definition at line 123 of file SHA3.cpp.

decsha3

#define decsha3

(

bits

)

int sha3_##bits(uint8_t*, size_t, const uint8_t*, size_t);

Definition at line 47 of file SHA3.cpp.

decshake

#define decshake

(

bits

)

int shake##bits(uint8_t*, size_t, const uint8_t*, size_t);

libkeccak-tiny

A single-file implementation of SHA-3 and SHAKE.

Implementor: David Leon Gil License: CC0, attribution kindly requested. Blame taken too, but not liability.

Definition at line 45 of file SHA3.cpp.

defsha3

#define defsha3

(

bits

)

Value:

    int sha3_##bits(uint8_t* out, size_t outlen, const uint8_t* in, size_t inlen) \
    { \
        if (outlen > (bits / 8)) { \
            return -1; \
        } \
        return hash(out, outlen, in, inlen, 200 - (bits / 4), 0x01); \
    }

defshake

#define defshake

(

bits

)

Value:

    int shake##bits(uint8_t* out, size_t outlen, const uint8_t* in, size_t inlen) \
    { \
        return hash(out, outlen, in, inlen, 200 - (bits / 4), 0x1f); \
    }

foldP

#define foldP	(		I,
			L,
			F
	)

Value:

    while (L >= rate) { \
        F(a, I, rate); \
        P(a); \
        I += rate; \
        L -= rate; \
    }

FOR

#define FOR	(		i,
			ST,
			L,
			S
	)		_(for (size_t i = 0; i < L; i += ST) { S; })

Definition at line 127 of file SHA3.cpp.

FOR5

#define FOR5	(		v,
			s,
			e
	)

Value:

    v = 0; \
    REPEAT5(e; v += s;)

Definition at line 88 of file SHA3.cpp.

mkapply_ds

#define mkapply_ds	(		NAME,
			S
	)		static inline void NAME(uint8_t* dst, const uint8_t* src, size_t len) { FOR(i, 1, len, S); }

Definition at line 128 of file SHA3.cpp.

mkapply_sd

#define mkapply_sd	(		NAME,
			S
	)		static inline void NAME(const uint8_t* src, uint8_t* dst, size_t len) { FOR(i, 1, len, S); }

Definition at line 130 of file SHA3.cpp.

P

#define P   keccakf

Plen

#define Plen   200

REPEAT24

#define REPEAT24

(

e

)

REPEAT6(e e e e)

Definition at line 86 of file SHA3.cpp.

REPEAT5

#define REPEAT5

(

e

)

e e e e e

Definition at line 87 of file SHA3.cpp.

REPEAT6

#define REPEAT6

(

e

)

e e e e e e

Definition at line 85 of file SHA3.cpp.

rol

#define rol	(		x,
			s
	)		(((x) << s) | ((x) >> (64 - s)))

Definition at line 84 of file SHA3.cpp.