- signatureItem
- The Digital Signatures Sequence Item that corresponds to the Digital Signature. This cannot be null.
Syntax
| Visual Basic (Declaration) | |
|---|---|
Public Function GetMacAlgorithm( _ ByVal signatureItem As DicomElement _ ) As String | |
| Visual Basic (Usage) |  Copy Code |
|---|---|
| |
| C# | |
|---|---|
public string GetMacAlgorithm( DicomElement signatureItem ) | |
| C++/CLI | |
|---|---|
public: String^ GetMacAlgorithm( DicomElement^ signatureItem ) | |
Parameters
- signatureItem
- The Digital Signatures Sequence Item that corresponds to the Digital Signature. This cannot be null.
Return Value
The MAC Algorithm (0400,0015) used in the creation of the specified Digital Signature. The return value can be a null reference (Nothing in Visual Basic).Example
For an example, refer to VerifySignature.
Remarks
The Digital Signatures Sequence Item of a Digital Signature should reference an item
under the MAC Parameters Sequence associated with the Digital Signatures Sequence. The
MAC Algorithm (0400,0015) under the referenced MAC Parameters Sequence Item specifies
the algorithm used in generating the Message Authentication Code (MAC). The encrypted
MAC is the digital signature itself. Call this method to obtain the value of
this Data Element; Possible values are: "RIPEMD160", "SHA1", and "MD5".
The following methods can also be used to get information about the Digital Signature:
Requirements
Target Platforms: Microsoft .NET Framework 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family