Imports of package sha256

PathSynopsis
cryptoPackage crypto collects common cryptographic constants.
encoding/binaryPackage binary implements simple translation between numbers and byte sequences and encoding and decoding of varints.
errorsPackage errors implements functions to manipulate errors.
hashPackage hash provides interfaces for hash functions.
internal/cpuPackage cpu implements processor feature detection used by the Go standard library.
math/bitsPackage bits implements bit counting and manipulation functions for the predeclared unsigned integer types.