CryptoSys PKI Toolkit Manual

Cms.GetSigHashAlgorithm Method (String, String)

Finds ID of message digest hash algorithm used to make signature.


public static int GetSigHashAlgorithm(
	string inputFile,
	string certFile
Public Shared Function GetSigHashAlgorithm ( _
	inputFile As String, _
	certFile As String _
) As Integer


file containing CMS signed-data object
an (optional) X.509 certificate file to be used to identify the signer

Return Value

0=SHA-1, 1=MD5, 2=MD2, 3=SHA256, 4=SHA-384, 5=SHA-512, 6=SHA-224; or a negative error code


This method returns an integer ID number. Alternatively, use Cms.QuerySigData(inputFile, "digestAlgorithm") to get the name directly as a string, e.g. "sha1". See QuerySigData(String, String)

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