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JSON Object Signing and Encryption (JOSE) for Erlang and Elixir.

Security advisory: This version has known vulnerabilities. View advisories
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jose src jose_curve25519.erl
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src/jose_curve25519.erl 

%% -*- mode: erlang; tab-width: 4; indent-tabs-mode: 1; st-rulers: [70] -*-

%% vim: ts=4 sw=4 ft=erlang noet

%%%-------------------------------------------------------------------

%%% @author Andrew Bennett <andrew@pixid.com>

%%% @copyright 2014-2016, Andrew Bennett

%%% @doc

%%%

%%% @end

%%% Created :  02 Jan 2016 by Andrew Bennett <andrew@pixid.com>

%%%-------------------------------------------------------------------

-module(jose_curve25519).



-callback ed25519_keypair() -> {PublicKey::binary(), SecretKey::binary()}.

-callback ed25519_keypair(Seed::binary()) -> {PublicKey::binary(), SecretKey::binary()}.

-callback ed25519_secret_to_public(SecretKey::binary()) -> PublicKey::binary().

-callback ed25519_sign(Message::binary(), SecretKey::binary()) -> Signature::binary().

-callback ed25519_verify(Signature::binary(), Message::binary(), PublicKey::binary()) -> boolean().

-callback ed25519ph_keypair() -> {PublicKey::binary(), SecretKey::binary()}.

-callback ed25519ph_keypair(Seed::binary()) -> {PublicKey::binary(), SecretKey::binary()}.

-callback ed25519ph_secret_to_public(SecretKey::binary()) -> PublicKey::binary().

-callback ed25519ph_sign(Message::binary(), SecretKey::binary()) -> Signature::binary().

-callback ed25519ph_verify(Signature::binary(), Message::binary(), PublicKey::binary()) -> boolean().

-callback x25519_keypair() -> {PublicKey::binary(), SecretKey::binary()}.

-callback x25519_keypair(Seed::binary()) -> {PublicKey::binary(), SecretKey::binary()}.

-callback x25519_secret_to_public(SecretKey::binary()) -> PublicKey::binary().

-callback x25519_shared_secret(MySecretKey::binary(), YourPublicKey::binary()) -> SharedSecret::binary().



%% jose_curve25519 callbacks

-export([ed25519_keypair/0]).

-export([ed25519_keypair/1]).

-export([ed25519_secret_to_public/1]).

-export([ed25519_sign/2]).

-export([ed25519_verify/3]).

-export([ed25519ph_keypair/0]).

-export([ed25519ph_keypair/1]).

-export([ed25519ph_secret_to_public/1]).

-export([ed25519ph_sign/2]).

-export([ed25519ph_verify/3]).

-export([x25519_keypair/0]).

-export([x25519_keypair/1]).

-export([x25519_secret_to_public/1]).

-export([x25519_shared_secret/2]).



%% Macros

-define(JOSE_CURVE25519, (jose:curve25519_module())).



%%====================================================================

%% jose_curve25519 callbacks

%%====================================================================



% Ed25519

ed25519_keypair() ->

	?JOSE_CURVE25519:ed25519_keypair().



ed25519_keypair(Seed) ->

	?JOSE_CURVE25519:ed25519_keypair(Seed).



ed25519_secret_to_public(SecretKey) ->

	?JOSE_CURVE25519:ed25519_secret_to_public(SecretKey).



ed25519_sign(Message, SecretKey) ->

	?JOSE_CURVE25519:ed25519_sign(Message, SecretKey).



ed25519_verify(Signature, Message, PublicKey) ->

	?JOSE_CURVE25519:ed25519_verify(Signature, Message, PublicKey).



% Ed25519ph

ed25519ph_keypair() ->

	?JOSE_CURVE25519:ed25519ph_keypair().



ed25519ph_keypair(Seed) ->

	?JOSE_CURVE25519:ed25519ph_keypair(Seed).



ed25519ph_secret_to_public(SecretKey) ->

	?JOSE_CURVE25519:ed25519ph_secret_to_public(SecretKey).



ed25519ph_sign(Message, SecretKey) ->

	?JOSE_CURVE25519:ed25519ph_sign(Message, SecretKey).



ed25519ph_verify(Signature, Message, PublicKey) ->

	?JOSE_CURVE25519:ed25519ph_verify(Signature, Message, PublicKey).



% X25519

x25519_keypair() ->

	?JOSE_CURVE25519:x25519_keypair().



x25519_keypair(Seed) ->

	?JOSE_CURVE25519:x25519_keypair(Seed).



x25519_secret_to_public(SecretKey) ->

	?JOSE_CURVE25519:x25519_secret_to_public(SecretKey).



x25519_shared_secret(MySecretKey, YourPublicKey) ->

	?JOSE_CURVE25519:x25519_shared_secret(MySecretKey, YourPublicKey).