IyaSec Blog

Notes on application security, API security, identity, and API management from the field. Articles are also published on Medium. Browse the archive by topic instead — 124 subjects.

XML Digital Signature (an Example)

  • Digital Signatures
  • Security Architecture
  • XML

In the last post, we looked at the steps involved in generating a digital signature using the XML Digital Signature spec. The algorithm to produce a signature and validate it were explored but no examples were given. In this post, we’ll look at an example that is given in the XML Digital Signature…

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XML Digital Signatures

  • Authentication
  • Digital Signatures
  • PKI

The XML DSig specification is used to provide digital signature functionality to XML Documents. It is is used by numerous other specs such as WS-Security and SAML2. This blog entry will describe how digital signatures work with an X509 private/public key pair.

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XML Editor…

  • Debugging
  • Tools
  • XSLT

I was asked recently what XML, XSD and XSLT editor I use. Given that I am an independent/small consulting firm owner, spending $1000s of dollars on development tooling that will come out of my own pocket is not my first choice.

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What is Authentication?

  • Authentication
  • J2EE / Jakarta EE
  • Web Services

I’ve talked about authentication many times on ThinkMiddleware.com. It recently occurred to me that I have never devoted a blog post to defining authentication. I’ve had a section on the subject in a couple of different places, but I wanted to have an article to reference from other posts. So, here…

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Datapower SOMA Calls

  • DataPower
  • SOAP
  • WebSphere

The primary administration automation mechanism on IBM WebSphere DataPower appliances is the XML Management Interface. The XMI interface allows one to make SOMA (SOAP Configuration Management, assuming SOMA = SOap MAnagement) calls to perform various administration tasks. How to perform these…

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ShrewSoft VPN Client Has Problem After Windows 7 Laptop Sleeps with VPN Active

  • Networking
  • Security

A few months ago I switched from using Cisco’s QuickVPN software to the ShrewSoft VPN Client for Windows. I’m not going to get into the issues that I had with QuickVPN-it wasn’t very reliable. I’ve had ShrewSoft VPN for Windows v2.1.7 connecting to a Cisco RV082 VPN router. ShrewSoft provides…

Read article: ShrewSoft VPN Client Has Problem After Windows 7 Laptop Sleeps with VPN Active

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