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-module(plop_compat).
-export([unpack_spki/1, timestamp/0]).
-include_lib("public_key/include/public_key.hrl").
unpack_spki(SPKI) ->
unpack_spki(erlang:system_info(otp_release), SPKI).
timestamp() ->
timestamp(erlang:system_info(otp_release)).
unpack_spki("17", SPKI) ->
#'SubjectPublicKeyInfo'{subjectPublicKey = {_, Octets},
algorithm = Algorithm} = SPKI,
{Octets, Algorithm};
unpack_spki("18", SPKI) ->
#'SubjectPublicKeyInfo'{subjectPublicKey = Octets,
algorithm = Algorithm} = SPKI,
{Octets, Algorithm}.
%% <=R17: now/0, >=R18 timestamp/0
timestamp("17") ->
erlang:now();
timestamp("18") ->
erlang:timestamp().
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