Files
go2rtc/pkg/hap/hkdf/hkdf.go
2023-07-23 22:22:36 +03:00

18 lines
276 B
Go

package hkdf
import (
"crypto/sha512"
"io"
"golang.org/x/crypto/hkdf"
)
func Sha512(key []byte, salt, info string) ([]byte, error) {
r := hkdf.New(sha512.New, key, []byte(salt), []byte(info))
buf := make([]byte, 32)
_, err := io.ReadFull(r, buf)
return buf, err
}