utils

func ConstantTimeMask ¶

func ConstantTimeMask(x, y []byte) int

ConstantTimeMask returns 1 if logical AND of two slices is non zero and 0 otherwise. The time taken is a function of the length of the slices and is independent of the contents. If the lengths of x and y do not match it returns 0 immediately.

func WithTimeout ¶

func WithTimeout(
	ctx context.Context,
	timeout time.Duration,
	do func(context.Context) error,
) error

func WrapError ¶

func WrapError[T any](wrap error, do func() (T, error)) (T, error)