// Package encryption copy and modify from xray-core
// https://github.com/XTLS/Xray-core/commit/f61c14e9c63dc41a8a09135db3aea337974f3f37
// https://github.com/XTLS/Xray-core/commit/3e19bf9233bdd9bafc073a71c65b737cc1ffba5e
// https://github.com/XTLS/Xray-core/commit/7ffb555fc8ec51bd1e3e60f26f1d6957984dba80
// https://github.com/XTLS/Xray-core/commit/ec1cc35188c1a5f38a2ff75e88b5d043ffdc59da
package encryption