# Uses of Class
javax.xml.crypto.KeySelector.Purpose

Packages that use KeySelector.Purpose
Package | Description
--- | ---
javax.xml.crypto | Common classes for XML cryptography.

## Uses of KeySelector.Purpose in javax.xml.crypto

Fields in javax.xml.crypto declared as KeySelector.Purpose
Modifier and Type | Field | Description
--- | --- | ---
`static KeySelector.Purpose` | KeySelector.Purpose.`DECRYPT` | A key for decrypting.
`static KeySelector.Purpose` | KeySelector.Purpose.`ENCRYPT` | A key for encrypting.
`static KeySelector.Purpose` | KeySelector.Purpose.`SIGN` | A key for signing.
`static KeySelector.Purpose` | KeySelector.Purpose.`VERIFY` | A key for verifying.

Methods in javax.xml.crypto with parameters of type KeySelector.Purpose
Modifier and Type | Method | Description
--- | --- | ---
`abstract KeySelectorResult` | KeySelector.`select​(KeyInfo keyInfo, KeySelector.Purpose purpose, AlgorithmMethod method, XMLCryptoContext context)` | Attempts to find a key that satisfies the specified constraints.