(Xojo Plugin) RSA Sign using Base64 Private Key

Signs a string using a non-encrypted RSA private key in base64 encoding. Returns the RSA signature as a base64 string.

Chilkat Xojo Plugin Download Xojo Plugin for Windows, Linux, Mac OS X, and ARM, ARM64

//  This requires the Chilkat API to have been previously unlocked.
//  See Global Unlock Sample for sample code.

Dim privKey As New Chilkat.PrivateKey
Dim success As Boolean

Dim sbPem As New Chilkat.StringBuilder
success = sbPem.AppendLine("-----BEGIN RSA PRIVATE KEY-----",True)
success = sbPem.AppendLine("MIIC .... j5A==",True)
success = sbPem.AppendLine("-----END RSA PRIVATE KEY-----",True)

success = privKey.LoadPem(sbPem.GetAsString())
If (success <> True) Then
    System.DebugLog(privKey.LastErrorText)
    Return
End If

Dim rsa As New Chilkat.Rsa

success = rsa.ImportPrivateKeyObj(privKey)
If (success <> True) Then
    System.DebugLog(rsa.LastErrorText)
    Return
End If

rsa.EncodingMode = "base64"
Dim strSigned As String
strSigned = rsa.OpenSslSignStringENC("12345678")
System.DebugLog(strSigned)

Dim strOriginal As String
strOriginal = rsa.OpenSslVerifyStringENC(strSigned)
System.DebugLog(strOriginal)