Imports of package aes

PathSynopsis
crypto/cipherPackage cipher implements standard block cipher modes that can be wrapped around low-level block cipher implementations.
crypto/internal/cipherhw
crypto/subtlePackage subtle implements functions that are often useful in cryptographic code but require careful thought to use correctly.
errorsPackage errors implements functions to manipulate errors.
strconvPackage strconv implements conversions to and from string representations of basic data types.