siphash.cpp File Reference

#include <crypto/siphash.h>

Include dependency graph for siphash.cpp:

Go to the source code of this file.

Macros
#define	ROTL(x, b)   (uint64_t)(((x) << (b)) | ((x) >> (64 - (b))))
#define	SIPROUND

Functions
uint64_t	SipHashUint256 (uint64_t k0, uint64_t k1, const uint256 &val)
	Optimized SipHash-2-4 implementation for uint256.
uint64_t	SipHashUint256Extra (uint64_t k0, uint64_t k1, const uint256 &val, uint32_t extra)

Macro Definition Documentation

ROTL

#define ROTL	(		x,
			b
	)		(uint64_t)(((x) << (b)) | ((x) >> (64 - (b))))

Definition at line 7 of file siphash.cpp.

SIPROUND

#define SIPROUND

Value:

    do {                                                                       \
        v0 += v1;                                                              \
        v1 = ROTL(v1, 13);                                                     \
        v1 ^= v0;                                                              \
        v0 = ROTL(v0, 32);                                                     \
        v2 += v3;                                                              \
        v3 = ROTL(v3, 16);                                                     \
        v3 ^= v2;                                                              \
        v0 += v3;                                                              \
        v3 = ROTL(v3, 21);                                                     \
        v3 ^= v0;                                                              \
        v2 += v1;                                                              \
        v1 = ROTL(v1, 17);                                                     \
        v1 ^= v2;                                                              \
        v2 = ROTL(v2, 32);                                                     \
    } while (0)

Definition at line 9 of file siphash.cpp.

Function Documentation

SipHashUint256()

uint64_t SipHashUint256	(	uint64_t	k0,
		uint64_t	k1,
		const uint256 &	val
	)

Optimized SipHash-2-4 implementation for uint256.

It is identical to: SipHasher(k0, k1) .Write(val.GetUint64(0)) .Write(val.GetUint64(1)) .Write(val.GetUint64(2)) .Write(val.GetUint64(3)) .Finalize()

Definition at line 99 of file siphash.cpp.

Here is the call graph for this function:

Here is the caller graph for this function:

SipHashUint256Extra()

uint64_t SipHashUint256Extra	(	uint64_t	k0,
		uint64_t	k1,
		const uint256 &	val,
		uint32_t	extra
	)

Definition at line 138 of file siphash.cpp.

Here is the call graph for this function:

Here is the caller graph for this function: