Method Hasher

checksum.go:241–265

Hasher returns a hasher corresponding to the checksum type. Returns nil if no checksum.

()

// Hasher returns a hasher corresponding to the checksum type.
// Returns nil if no checksum.
func (c ChecksumType) Hasher() hash.Hash {
	switch c & checksumMask {
	case ChecksumCRC32:
		return crc32.NewIEEE()
	case ChecksumCRC32C:
		return crc32.New(crc32.MakeTable(crc32.Castagnoli))
	case ChecksumSHA1:
		return sha1.New()
	case ChecksumSHA256:
		return sha256.New()
	case ChecksumCRC64NVME:
		return crc64nvme.New()
	case ChecksumMD5:
		return md5.New()
	case ChecksumSHA512:
		return sha512.New()
	case ChecksumXXHash64:
		return xxhash.New()
	case ChecksumXXHash3:
		return xxh3.New()
	case ChecksumXXHash128:
		return xxh3.New128()
	}
	return nil
}

// IsSet returns whether the type is valid and known.
func (c ChecksumType) IsSet() bool {