Erlang で GPG 公開鍵を「pem_entry_decode」できません。OpenSSL を介して生成された公開鍵は正常に機能します。Erlang - Importing GPG Public Keyで提案されているように GPG キーを修正しました。
#!/usr/local/bin/escript
main(_) ->
[application:start(X) || X <- [crypto, public_key, ssl]],
Msg = list_to_binary("Hello World!"),
%{ok, FileContents} = file:read_file("public_openssl.pem"),
{ok, FileContents} = file:read_file("public_gpg.asc"),
show(FileContents),
[Entry] = public_key:pem_decode(FileContents),
show(Entry),
Key = public_key:pem_entry_decode(Entry),
show(Key),
EM = public_key:encrypt_public(Msg, Key),
show(EM).
show(Something) ->
io:format("~p~n", [Something]).
エラー:
escript: exception error: no match of right hand side value
{error,
{asn1,
{wrong_tag,
{{expected,16},{got,131097,{131097,<<"\r">>}}}}}}
in function public_key:der_decode/2 (public_key.erl, line 170)
in call from erl_eval:do_apply/6 (erl_eval.erl, line 572)
in call from erl_eval:expr/5 (erl_eval.erl, line 367)
in call from escript:eval_exprs/5 (escript.erl, line 850)
in call from erl_eval:local_func/5 (erl_eval.erl, line 470)
in call from escript:interpret/4 (escript.erl, line 768)
in call from escript:start/1 (escript.erl, line 277)
in call from init:start_it/1