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Contents
# encoding: binary
# frozen_string_literal: true
module RbNaCl
module Boxes
class Curve25519XSalsa20Poly1305
# RbNaCl::Box public key. Send it (securely!) to your friends.
#
# This class stores the NaCL public key, and provides some convenience
# functions for working with it.
class PublicKey
include KeyComparator
include Serializable
# The size of the key, in bytes
BYTES = Boxes::Curve25519XSalsa20Poly1305::PUBLICKEYBYTES
# Initializes a new PublicKey for key operations.
#
# Takes the (optionally encoded) public key bytes. This can be shared with
# many people and used to establish key pairs with their private key, for
# the exchanging of messages using a RbNaCl::Box
#
# @param public_key [String] The public key
#
# @raise [RbNaCl::LengthError] If the key is not valid after decoding.
#
# @return A new PublicKey
def initialize(public_key)
@public_key = Util.check_string(public_key, BYTES, "Public key")
end
# The raw bytes of the key
#
# @return [String] the raw bytes.
def to_bytes
@public_key
end
# The crypto primitive the PublicKey class is to be used for
#
# @return [Symbol] The primitive
def self.primitive
:curve25519xsalsa20poly1305
end
# The crypto primitive this PublicKey is to be used for.
#
# @return [Symbol] The primitive
def primitive
self.class.primitive
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems