SOAP Web Service Tutorials - Herong's Tutorial Examples - Version 5.02, by Dr. Herong Yang
What Is XML Signature Syntax and Processing?
This section describes the XML Signature Syntax and Processing specification developed by W3C that specifies XML digital signature processing rules and syntax.
What is "XML Signature Syntax and Processing"? XML Signature Syntax and Processing is a specification developed by W3C that specifies XML digital signature processing rules and syntax. XML Signatures provide integrity, message authentication, and/or signer authentication services for data of any type, whether located within the XML that includes the signature or elsewhere.
The XML syntax defined by the XML Signature Syntax and Processing specification is relatively simple. Here is the structure of an XML signature example:
<Signature xmlns="http://www.w3.org/2000/09/xmldsig#"> <SignedInfo> <CanonicalizationMethod Algorithm="..."/> <SignatureMethod Algorithm="..."/> <Reference URI="..."> <Transforms> <Transform Algorithm="..."/> </Transforms> <DigestMethod Algorithm="..."/> <DigestValue>...</DigestValue> </Reference> </SignedInfo> <SignatureValue>...</SignatureValue> <KeyInfo>...</KeyInfo> </Signature>
Notice that how the XML signature information is divided into 3 sub elements:
1. "Signature/SignedInfo" sub element contains information about what data is actually signed. It has several important sub elements and attributes:
2. "Signature/SignatureValue" sub element contains the actual signature in Base64 format.
3. "Signature/KeyInfo" sub element contains information about the public key that is needed for the receiver to validate the signature. It may have the following options:
"XML Signature Syntax and Processing" specification can be used together with "WS-Security X.509 Certificate Token Profile" to protect the SOAP message integrity by signing a single or multiple parts of the SOAP message.
For more information on "XML Signature Syntax and Processing", see the full specification at http://www.w3.org/TR/xmldsig-core/.
Last update: 2014.
Table of Contents
Introduction to SOAP (Simple Object Access Protocol)
SOAP Message Transmission and Processing
SOAP Message Exchange Patterns
Perl SOAP::Lite - SOAP Server-Client Communication Module
Perl Socket Test Program for HTTP and SOAP
Perl SOAP::Lite for GetSpeech SOAP 1.1 Web Service
Perl SOAP::Lite 0.710 for SOAP 1.2 Web Services
Perl SOAP::Lite 0.710 for WSDL
PHP SOAP Extension Client Programs
PHP SOAP Extension Server Programs
Java Socket and HttpURLConnection for SOAP
SAAJ - SOAP with Attachments API for Java
SoapUI - SOAP Web Service Testing Tool
WS-Security - SOAP Message Security Extension
►WS-Security X.509 Certificate Token
What Is WS-Security X.509 Certificate Token Profile?
►What Is XML Signature Syntax and Processing?
Generating a Self-Signed Certificate with "keytool"
SoapUI Configuration for Messaging Signing
Generating Digital Signature with SoapUI
Validating ds:Signature with X.509 Certificate
Digital Signature Options Supported in SoapUI
What Is XML Encryption Syntax and Processing?
SoapUI Configuration for Messaging Encryption
"not an RSA key" - Encryption Failed in SoapUI
Encryption using RSA Public Key with SoapUI
2-Step Message Encryption - Symmetric and RSA
Decrypting Encrypted SOAP Message
Message Encryption Options Supported in SoapUI