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The <SecurityPolicies> element is a container for one or more uniquely identified <Policyelements that control low-level security and profile processing performed by the SP. It also contains mechanisms to enable and disable security algorithms.

The system is flexible enough to allow very fine-grained selection of different policies to use for different use cases or even different IdPs, but this is not a commonly needed feature and the vast majority of deployments will just use the defaults, or at least a single default policy.

Reference

Child Elements

Name

Cardinality

Description

<Policy>

1 or more

Security policy rules.

These must be the first child elements.

<AlgorithmWhitelist>

0 or 1

DEPRECATED: Whitespace-delimited list of algorithm URIs to explicitly enable

<IncludedAlgorithms> 3.2

0 or 1

Whitespace-delimited list of algorithm URIs to explicitly enable

<AlgorithmBlacklist>

0 or 1

DEPRECATED: Whitespace-delimited list of algorithms to explicitly disable

<ExcludedAlgorithms> 3.2

0 or 1

Whitespace-delimited list of algorithms to explicitly disable

Custom security policies can be defined at the level of a specific application or protocol endpoint and referenced via a policyId attribute, but in most cases, the default policy is appropriate for all typical exchanges.

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