+ \r
+ /**\r
+ * Generate random information using the underlying security library\r
+ * \r
+ * @param buf buffer for the information\r
+ * @param len number of bytes to write into buffer\r
+ */\r
+ virtual void generateRandomBytes(void* buf, unsigned int len)=0;\r
+\r
+ /**\r
+ * Generate random information using the underlying security library\r
+ * \r
+ * @param buf string buffer for the information\r
+ * @param len number of bytes to write into buffer\r
+ */\r
+ virtual void generateRandomBytes(std::string& buf, unsigned int len)=0;\r
+\r
+ /**\r
+ * Generate a valid XML identifier of the form _X{32} where X is a\r
+ * random hex character. The caller is responsible for freeing the result.\r
+ * \r
+ * @return a valid null-terminated XML ID\r
+ */\r
+ virtual XMLCh* generateIdentifier()=0;\r
+ \r
+ /**\r
+ * Generate the SHA-1 hash of a string\r
+ * \r
+ * @param s NULL-terminated string to hash\r
+ * @param toHex true iff the result should be encoded in hexadecimal form or left as raw bytes\r
+ * \r
+ * @return SHA-1 hash of the data\r
+ */\r
+ virtual std::string hashSHA1(const char* s, bool toHex=false)=0;\r
+ \r
+ /**\r
+ * Manages factories for MetadataProvider plugins.\r
+ */\r
+ xmltooling::PluginManager<saml2md::MetadataProvider,const DOMElement*> MetadataProviderManager;\r
+ \r
+ /**\r
+ * Manages factories for MetadataFilter plugins.\r
+ */\r
+ xmltooling::PluginManager<saml2md::MetadataFilter,const DOMElement*> MetadataFilterManager;\r
+\r
+ /**\r
+ * Manages factories for SAMLArtifact plugins.\r
+ */\r
+ xmltooling::PluginManager<SAMLArtifact,const char*> SAMLArtifactManager;\r
+\r
+ /**\r
+ * Manages factories for TrustEngine plugins.\r
+ */\r
+ xmltooling::PluginManager<TrustEngine,const DOMElement*> TrustEngineManager;\r