【Java密码学】XML签名

http://www.oracle.com/technetwork/articles/javase/dig-signature-api-140772.html

XML签名的结构和类型

基本上XML签名有三种类型:

• 封内签名enveloped

• 封外签名enveloping

• 分离签名detached

<RootElement>

    <Signature>

    ...

    </Signature>

</RootElement>

<Signature>

    <MyXMLDocument>

    ...

    </MyXMLDocument>

</Signature>

<Signature>

...

</Signature>

<MyXMLDocument>

...

</MyXMLDocument>

<Signature ID?>

    <SignedInfo>

        <CanonicalizationMethod/>

        <SignatureMethod/>

        (<Reference URI? >

            (<Transforms>)?

            <DigestMethod>

            <DigestValue>

        </Reference>)+

    </SignedInfo>

    <SignatureValue>

    (<KeyInfo>)?

    (<Object ID?>)*

</Signature>