Imports of package ratchet

PathSynopsis
encoding/base64Package base64 implements base64 encoding as specified by RFC 4648.
encoding/binaryPackage binary implements simple translation between numbers and byte sequences and encoding and decoding of varints.
go.mau.fi/libsignal/eccPackage ecc provides a way to generate, sign, and use Elliptic-Curve X25519 Cryptography keys.
go.mau.fi/libsignal/kdfPackage kdf provides a key derivation function to calculate key output and negotiate shared secrets for curve X25519 keys.
go.mau.fi/libsignal/keys/chainPackage chain provides chain keys used in double ratchet sessions.
go.mau.fi/libsignal/keys/identityPackage identity provides identity keys used for verifying the identity of a signal user.
go.mau.fi/libsignal/keys/rootPackage root provides root keys which are used to derive new chain and root keys in a ratcheting session.
go.mau.fi/libsignal/keys/sessionPackage session provides a simple structure for session keys, which is a pair of root and chain keys for a session.