| static XMLSignatureFactory | XMLSignatureFactory. getInstance() | Returns an XMLSignatureFactorythat supports the
 default XML processing mechanism and representation type ("DOM"). | 
| static XMLSignatureFactory | XMLSignatureFactory. getInstance(String mechanismType) | Returns an XMLSignatureFactorythat supports the
 specified XML processing mechanism and representation type (ex: "DOM"). | 
| static XMLSignatureFactory | XMLSignatureFactory. getInstance(String mechanismType,
           String provider) | Returns an XMLSignatureFactorythat supports the
 requested XML processing mechanism and representation type (ex: "DOM"),
 as supplied by the specified provider. | 
| static XMLSignatureFactory | XMLSignatureFactory. getInstance(String mechanismType,
           Provider provider) | Returns an XMLSignatureFactorythat supports the
 requested XML processing mechanism and representation type (ex: "DOM"),
 as supplied by the specified provider. |