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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_jwk_pem.erl
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src/jose_jwk_pem.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 2014-2015, Andrew Bennett

%%% @doc

%%%

%%% @end

%%% Created :  24 Jul 2015 by Andrew Bennett <andrew@pixid.com>

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

-module(jose_jwk_pem).



%% API

-export([from_binary/1]).

-export([from_binary/2]).

-export([to_binary/3]).



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

%% API functions

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



from_binary(PEMBinary) when is_binary(PEMBinary) ->

	case public_key:pem_decode(PEMBinary) of

		[PEMEntry] ->

			jose_jwk_kty:from_key(public_key:pem_entry_decode(PEMEntry));

		PEMDecodeError ->

			PEMDecodeError

	end.



from_binary(Password, EncryptedPEMBinary) when is_binary(EncryptedPEMBinary) ->

	case public_key:pem_decode(EncryptedPEMBinary) of

		[EncryptedPEMEntry] ->

			PasswordString = unicode:characters_to_list(Password),

			jose_jwk_kty:from_key(public_key:pem_entry_decode(EncryptedPEMEntry, PasswordString));

		PEMDecodeError ->

			PEMDecodeError

	end.



to_binary(Password, KeyType, Key) ->

	CipherInfo = {"DES-EDE3-CBC", crypto:rand_bytes(8)},

	PasswordString = binary_to_list(iolist_to_binary(Password)),

	PEMEntry = public_key:pem_entry_encode(KeyType, Key, {CipherInfo, PasswordString}),

	public_key:pem_encode([PEMEntry]).



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

%%% Internal functions

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