I have created a github project with two (almost identical) tests to show how to use XML Signature and Encryption in Apache Camel:
- camel-xmlsecurity: Some test-cases for the camel-xmlsecurity component.
The encryption configuration file is available here, and the signature configuration file is here. One difference you may notice is that encryption is configured using a "marshal/unmarshal" tag and then "secureXML", whereas for signature you can use a standard Camel "To" statement, e.g. "
<to uri="xmlsecurity:sign://enveloped?keyAccessor...". This is due to the fact that XML Encryption is implemented in Camel as a data format, whereas XML Signature is implemented as a component.
Both tests also use the Camel Jasypt component to avoid hard-coding plaintext passwords in the spring configuration files. The keystore and private key passwords and stored encrypted in a special passwords file. The master secret used to decrypt the passwords is retrieved via a system property (set in the pom.xml as part of the tests).
The testcase relies on a SNAPSHOT version of Apache Camel for now (2.15-SNAPSHOT) due to a number of fixes I added. Firstly, the DefaultKeySelector used to retrieve keys for signature did not previously support taking a Camel
keyStoreParameters Object. Secondly, the DefaultKeySelector did not support working with the Camel Jasypt component to encrypt the keystore password. Thirdly, it wasn't possible to load a Public Key from a PrivateKeyEntry in a Keystore for XML Signature. Fourthly, the XML Encryption data format did not support embedding the KeyValue of the Public Key used to encrypt the session key in the EncryptedKey structure.
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