(Lianja) RSA Signature using Private Key from .snk File

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This example loads a private key from a .snk file and creates an RSA signature.

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loRsa = createobject("CkRsa")

// Load the .snk and return the private key as XML.
lcXmlStr = loRsa.SnkToXml("./test.snk")
if (loRsa.LastMethodSuccess = .F.) then
    ? loRsa.LastErrorText
    release loRsa
    return
endif

llSuccess = loRsa.ImportPrivateKey(lcXmlStr)
if (llSuccess = .F.) then
    ? loRsa.LastErrorText
    release loRsa
    return
endif

// Sign the SHA-256 hash of the utf-8 byte representation of the contents of sb
// Return the signature in base64 format.
loRsa.EncodingMode = "base64"
loRsa.Charset = "utf-8"
lcSigBase64 = loRsa.SignStringENC("This is the text to be hashed and signed.","sha256")
if (loRsa.LastMethodSuccess = .F.) then
    ? loRsa.LastErrorText
    release loRsa
    return
endif

? "RSA signature as base64: " + lcSigBase64


release loRsa