keys/hd/address.go
func CalcHash160(data []byte) []byte {
	return CalcHash(CalcHash(data, sha256.New()), ripemd160.New())
}
func CalcHash160(data []byte) []byte {
	return CalcHash(CalcHash(data, sha256.New()), ripemd160.New())
}
func CalcHash160 ( data [ ] byte ) [ ] byte { return CalcHash ( CalcHash ( data , sha256 . New ( ) ) , ripemd160 . New ( ) ) }
// CalcHash160 returns the ripemd160(sha256(data)).
CalcHash160 returns the ripemd160 ( sha256 ( data )) .