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Like metadata providers, metadata filters are defined by their xsi:type
attribute. All other attributes and child elements are specific to each filter. The filter types provided are below.
xsi:type | Description |
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Important for secure processing of metadata containing keys, this filter forces the metadata to carry an expiration date and limits the size of the corresponding validity interval | |
SchemaValidation |
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Performs XML schema validation on the metadata | |
SignatureValidation |
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A common filter that checks the signature on signed metadata | |
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(DEPRECATED) |
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4.1 | A memory-saving filter that deletes unneeded role information from the metadata |
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A policy aid, this filter adds information, allowing "tags" to be attached to metadata for use in other parts of the system | |
Algorithm |
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Another additive filter, adds extension elements that signal use of alternative cryptographic algorithms | |
Predicate |
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An extensible |
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include/ |
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exclude filter that removes matching (or keeps only matching) entities based on a set of built-in rules, or with an arbitrary condition |
NameIDFormat |
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A policy aid, this filter adds information, allowing | |
ByReference |
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A syntax aid, this filter attaches separately defined filters to metadata providers from "outside" the declaration of the providers. |