Algorithm URI configuration settings

Use this page to specify the algorithm uniform resource identifier (URI) and its usage type.
WebSphere® Application Server supports the following algorithm URI types:
Message digest
Specifies the algorithm URI that is used for digest value calculation.
Signature
Specifies the algorithm URI that is used for digital signature, including both signature and signing verification.
Data encryption
Specifies the algorithm URI that is used for both encrypting and decrypting data.
Key encryption
Specifies the algorithm URI that is used for encrypting and decrypting the encryption key.

If the URI is used for multiple usage types, then you must define a mapping of the URI to each usage type.

To view this WebSphere Application Server administrative console page on the server level, complete the following steps:
  1. Click Servers > Application servers > server_name.
  2. Under Security, click Web services: Default bindings for Web services security.
  3. Under Additional properties, click Algorithm mappings.
  4. Under Additional properties, click Algorithm URI > algorithm_URI_name or click New.
Related reference
Algorithm URI collectionAlgorithm URI
Algorithm mapping collectionAlgorithm factory engine class
Algorithm mapping configuration settingsAlgorithm factory engine class
Signing information configuration settingsSigning information name
Part reference configuration settingsPart name
Encryption information configuration settingsEncryption information name

Algorithm URI

Specifies the algorithm uniform resource identifier (URI) for the specified algorithm type.

The algorithm URI that is defined on this page is available to the various binding configurations. For example, if you specify an algorithm URI and select Signature from the Algorithm type field, the URI displays in the Signature method field on the signing information panel.

Algorithm type

Specifies the type of algorithm that is specified in the Algorithm URI field.
The following types of algorithms are supported by WebSphere Application Server. The following list shows where configurations that are specified on this panel are displayed for a binding configuration:
Algorithm type Explanation Location of the configuration
Signature This algorithm type is used for digital signatures. This configuration displays in the Signature method field on the Signing information panel. For information on how to access the Signing information panel, see Signing information configuration settingsSigning information name.
Digest value calculation (message digest) This algorithm type is used for calculating the digest value. This configuration displays in the Digest method algorithm field on the Part references panel. For information on how to access the Part references panel, see Part reference configuration settingsPart name.
Data encryption This algorithm type is used for encrypting data. This configuration displays in the Data encryption algorithm field on the Encryption information panel. For information on how to access the Encryption information panel, see Encryption information configuration settingsEncryption information name.
Key encryption This algorithm type is used for encrypting the key that is used for data encryption. This configuration displays in the Key encryption algorithm field on the Encryption information panel. For information on how to access the Encryption information panel, see Encryption information configuration settingsEncryption information name.

The actual implementation of the algorithm is done in the implementation class for the engine factory.

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