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SigVerifyFile Method

Verify a signature value over data in a file.

Namespace: CryptoSysPKI
Assembly: diCrSysPKINet (in diCrSysPKINet.dll) Version: 23.0.0.30549 (23.1.0.0)
Syntax
public static int VerifyFile(
	string sigStr,
	string dataFile,
	string certOrKeyFile,
	SigAlgorithm sigAlg,
	SigVerifyOpts opts = SigVerifyOpts.Default
)

Parameters

sigStr  String
Containing the encoded signature value
dataFile  String
Name of file containing data to be verified
certOrKeyFile  String
Specifying the X.509 certificate or public key file name (or a string containing the certificate or key in PEM format or base64 representation, or an internal key string).
sigAlg  SigAlgorithm
Signature algorithm used to create signature.
opts  SigVerifyOpts  (Optional)
Advanced options for RSA-PSS only (optional)

Return Value

Int32
Zero (0) if the signature is valid; otherwise a negative error code.
Remarks
Any valid encodings of the signature value are detected automatically.
See Also