Imports of package ecdh

PathSynopsis
cryptoPackage crypto collects common cryptographic constants.
crypto/internal/boringPackage boring provides access to BoringCrypto implementation functions.
crypto/internal/edwards25519/field
crypto/internal/nistec
crypto/internal/randutilPackage randutil contains internal randomness utilities for various crypto packages.
crypto/subtlePackage subtle implements functions that are often useful in cryptographic code but require careful thought to use correctly.
encoding/binaryPackage binary implements simple translation between numbers and byte sequences and encoding and decoding of varints.
errorsPackage errors implements functions to manipulate errors.
ioPackage io provides basic interfaces to I/O primitives.
math/bitsPackage bits implements bit counting and manipulation functions for the predeclared unsigned integer types.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.