C# Calculate SHA256 value for SEPA (XML) paymentfile

Question

in the specification of the \"DFÜ agreement\" is described to calculate the hashvalue for a SEPA container payment file by SHA256.

The hash value is

Answer 1

Ok i want to inform about the solution, maybe any one will find these topic:
The document node has to selected directly in that way from the container: "XmlNodeList documentNodeList = sepaContainer.GetElementsByTagName("Document");"

then the outer xml of the first entry have to be canonized and convert to hash.

also the first posted value: 7DDB2138E8C91037DA7A6E9552478C59A2AACE26F8112EBC8012A8DE11592025 is wrong the correct value will be 38B862BD35B95D8CB20448153B5F6F73B3657EB1BC81CF11D3491D16EEA94009