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In public key infrastructure (PKI) systems, a certificate signing request (CSR or certification request) is a message sent from an applicant to a certificate authority of the public key infrastructure (PKI) in order to apply for a digital identity certificate. The CSR usually contains the public key for which the certificate should be issued ...
A SAML authentication authority that participates in one or more SSO Profiles of SAML [OS 2] is called a SAML identity provider (or simply identity provider if the domain is understood). For example, an authentication authority that participates in SAML Web Browser SSO is an identity provider that performs the following essential tasks:
A user utilizes a user agent (usually a web browser) to request a web resource protected by a SAML service provider. The service provider, wishing to know the identity of the requesting user, issues an authentication request to a SAML identity provider through the user agent. The resulting protocol flow is depicted in the following diagram.
Security Assertion Markup Language (SAML) 2.0 is a version of the SAML standard for exchanging authentication and authorization identities between security domains.SAML 2.0 is an XML-based protocol that uses security tokens containing assertions to pass information about a principal (usually an end user) between a SAML authority, named an Identity Provider, and a SAML consumer, named a Service ...
The critical aspects of SAML 1.1 are covered in detail in the official documents SAMLCore [1] and SAMLBind. [2] If you are new to SAML, you should probably read the introductory SAML topic first, and then the SAMLOverview [3] document from OASIS. Prior to SAML 1.1, SAML 1.0 was adopted as an OASIS standard in November 2002. SAML has undergone ...
By far the most common approach is to use a HTTP+HTML form-based authentication cleartext protocol, or more rarely Basic access authentication. These weak cleartext protocols used together with HTTPS network encryption resolve many of the threats that digest access authentication is designed to prevent.
In the context of an HTTP transaction, basic access authentication is a method for an HTTP user agent (e.g. a web browser) to provide a user name and password when making a request. In basic HTTP authentication, a request contains a header field in the form of Authorization: Basic <credentials> , where <credentials> is the Base64 encoding of ID ...
For authentication purposes, a SAML message may be digitally signed by the issuer. To verify the signature on the message, the message receiver uses a public key known to belong to the issuer. Similarly, to encrypt a message, a public encryption key belonging to the ultimate receiver must be known to the issuer.