2012-06-10 90 views
2

我想在Erlang中做一些与公钥有关的事情,他们需要我跟踪公钥。根据this page,我应该可以通过使用file:read_file/1public_key:decode_pem/1来导入PEM格式的密钥。事情是,当我尝试导入GPG公钥时,我没有得到结果。Erlang - 导入GPG公钥

我有一个叫做inaimathi.pubkey,内容如下文件:

-----BEGIN PGP PUBLIC KEY BLOCK----- 
Version: GnuPG v1.4.11 (GNU/Linux) 

mQINBE9NBIQBEADMSzN6b0FaPP0rGiLDWKfH4ehN66Z0SAIynXm6lBHjmO69pNsm 
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5NsttvIOclBY5A== 
=Zqph 
-----END PGP PUBLIC KEY BLOCK----- 

这似乎是正确的格式,但基于对文档的结果我得到的是

1> {ok, GpgBin} = file:read("inaimathi.pubkey"). 
{ok,<<"-----BEGIN PGP PUBLIC KEY BLOCK-----\nVersion: GnuPG v1.4.11 (GNU/Linux)\n\nmQINBE9NBIQBEADMSzN6b0FaPP0rGiLDWKf"...>>} 
2> public_key:pem_decode(GpgBin). 
[] 

,我希望这会返回一个RSAEntry,然后我可以解码成公钥。我需要做些什么来通过这个机制导入公钥? GPG密钥实际上是否是有效的PEM文件?我错过了别的吗?

回答

3

ASCII装甲和PEM非常相似。您只需更改BEGIN/END标记,剥离PGP标头和校验和(校验和是最后一行=Zqph),然后添加PEM标头。因此,您必须将inaimathi.pubkey更改为此文件:

-----BEGIN RSA PUBLIC KEY----- 
mQINBE9NBIQBEADMSzN6b0FaPP0rGiLDWKfH4ehN66Z0SAIynXm6lBHjmO69pNsm 
iIe4p1X9aXhr7EgEZKdbqevfXW7NuA/oL7Rbt+tzBT5nS2cYSHoZhUC/onVhJxUb 
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5NsttvIOclBY5A== 
-----END RSA PUBLIC KEY----- 
+0

它工作正常。后续问题,如果你知道的话,有没有办法让'gpg'直接输出PEM格式的公共密钥,或者这意味着我必须在Erlang中做一些关键操作以接受来自GnuPG的? – Inaimathi

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