java用bouncycastle签名公共pgp密钥 [英] java sign public pgp key with bouncycastle

问题描述

我有一个疑问。
我必须使用bouncycastle api签名pgp公钥。
现在：据我了解，以另一种方式签署密钥意味着最终向该公共密钥添加证书。
由于缺少其他方法，我在图书馆里盲目搜索。到目前为止，我唯一发现的
是PGPSignatureGenerator中的generateCertification方法。但是这种方法会在主PgpPublicKey和另一个PgpPublicKey之间生成一个证书。这让我感到奇怪：
我假设为了信任另一个公共密钥，必须使用自己的私有pgp密钥进行签名，就像在具有CA认证的常规x.509中，以某种方式..
这是我在尝试从其他库中获取一些想法时看到的一些方法的假设：例如didisoft在密钥库中有一个类似的方法，您必须提供PgpPrivatekey keyuid ...

I've got a doubt.. I have to sign a pgp public key using bouncycastle api supposedly. Now: to my understanding signing a key with another means ultimately adding to this public key a "certificate". Thus lacking any other way, I've gone blind searching in the library. my only find so far has been method generateCertification inside PGPSignatureGenerator. But this method generate a certification between a master PgpPublicKey and another PgpPublicKey.. And this strikes me as strange: I assumed that in order to trust another public key, that has to be signed with your own private pgp key just like in regular x.509 with CA certification in a manner.. This was assumption by some methods that I saw when trying to get some ideas from other library: didisoft for example has a similar method on a keystore where you have to provide the PgpPrivatekey keyuid...

任何人都可以提出任何提示或一段代码吗？
预先感谢。

Anyone has any hint or a piece of code to propose? Thanks in advance.

推荐答案

下面是一个签名公共密钥的代码示例：

Here's a Codeexample to sign a public Key:

    PGPSecretKey mySecretKey;
    PGPPublicKey publicKeyToBeSigned; 
    PGPPrivateKey pgpPrivKey = mySecretKey
            .extractPrivateKey(new JcePBESecretKeyDecryptorBuilder()
                    .setProvider("BC").build("password for your private key"));
    PGPSignatureGenerator signatureGenerator = new PGPSignatureGenerator(
            new JcaPGPContentSignerBuilder(mySecretKey.getPublicKey()
                    .getAlgorithm(), PGPUtil.SHA512));
    signatureGenerator.init(PGPSignature.DIRECT_KEY, pgpPrivKey);

    PGPSignature signature = signatureGenerator.generateCertification(
            id, publicKeyToBeSigned);

这段代码只是创建签名。您需要将其添加到公用密钥，然后：

This piece of code just creates the signature. You need to add it to your the public key then:

PGPPublicKey.addCertification(publicKeyToBeSigned, signature);

希望对您有帮助：）

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