checksum

package

v0.0.0-...-1aa968d Latest Latest Go to latest Published: Sep 6, 2021 License: MIT Imports: 4 Imported by: 0

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Repository

github.com/Unbewohnte/FTU

Documentation ¶

Index ¶

Constants
func AreEqual(checksum1, checksum2 CheckSum) bool
func ChecksumToBytes(checksum CheckSum) []byte
type CheckSum
- func BytesToChecksum(bytes []byte) (CheckSum, error)
- func GetPartialCheckSum(file *os.File) (CheckSum, error)

Constants ¶

View Source

const CHECKSUMLEN uint = 32

Variables ¶

This section is empty.

Functions ¶

func AreEqual ¶

func AreEqual(checksum1, checksum2 CheckSum) bool

Simply compares 2 given checksums. If they are equal - returns true

Types ¶

type CheckSum ¶

type CheckSum [CHECKSUMLEN]byte

func BytesToChecksum ¶

func BytesToChecksum(bytes []byte) (CheckSum, error)

Tries to convert given bytes into CheckSum type

func GetPartialCheckSum ¶

func GetPartialCheckSum(file *os.File) (CheckSum, error)

returns a checksum of given file. NOTE, that it creates checksum not of a full file (from all file bytes), but from separate byte blocks. This is done as an optimisation because the file can be very large in size. The general idea: BOF... CHUNK -> STEP -> CHUNK... EOF checksum := sha256.Sum256(ALLCHUNKS) GetPartialCheckSum is default method used to get a file checksum by sender and receiver

Source Files ¶

View all Source files

checksum.go

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