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SSO Architecture

SSO Architecture

SSO Architecture

SSO Architecture

SSO Architecture

SSO Architecture

SSO Architecture

SSO Architecture

SSO Architecture

SSO Fundamentals

Single Sign-On (SSO) allows users to authenticate once and access multiple applications without re-entering credentials. It improves security by centralizing authentication and reducing password fatigue.

SAML 2.0

Security Assertion Markup Language (SAML) is the mature standard for enterprise SSO:

AssertionConsumerServiceURL=" https://app.example.com/saml/acs "

Destination=" https://idp.example.com/saml/sso "

IssueInstant="2026-05-12T10:00:00Z">

https://app.example.com

Format="urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress"/>

SAML response parsing

from signxml import XMLVerifier

import xml.etree.ElementTree as ET

def parse_saml_response(response_xml):

Verify the…