siphash

package
Version: v0.10.6 Latest Latest
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Published: Sep 29, 2021 License: ISC Imports: 1 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func SipHashBlock added in v0.10.1

func SipHashBlock(v [4]uint64, nonce uint64, rotE uint8, xorAll bool) uint64

SipHashBlock builds a block of siphash values by repeatedly hashing from the nonce truncated to its closest block start, up to the end of the block. Returns the resulting hash at the nonce's position.

func Siphash

func Siphash(k0, k1, b uint64) uint64

func SiphashPRF

func SiphashPRF(v *[4]uint64, b uint64) uint64

func SiphashPRF8192

func SiphashPRF8192(v *[4]uint64, nonce *[8192]uint64, uorv uint64, result *[8192]uint64)

func SiphashPRF8192Seq

func SiphashPRF8192Seq(v *[4]uint64, nonce uint64, uorv uint64, result *[8192]uint64)

Types

type SipHash

type SipHash struct {
	V [4]uint64 // v is the current internal state.
	// contains filtered or unexported fields
}

func Newsip

func Newsip(siphashKey []byte) *SipHash

siphashKey[:] = [196 107 38 219 80 75 209 213 243 49 219 252 101 35 20 105] siphashKey[8:] = [243 49 219 252 101 35 20 105] k0 = 15407178610857372612 k1 = 7571715794457539059 before s.V = [0 0 0 0] after s.V = [12015082867820662449 971459224712208030 13377991302290020773 2121554997101417600]

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