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(Visual Basic 6.0) RSA Sign utf-8 Byte Representation of StringDemontstrates how to sign the utf-8 byte representation of a string. Note: This example requires Chilkat v11.0.0 or greater.
Dim success As Long success = 0 ' This example requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. ' Load an RSA private key for signing. Dim privKey As New PrivateKey success = privKey.LoadEncryptedPemFile("qa_data/pem/rsa_passwd.pem","passwd") If (success = 0) Then Debug.Print privKey.LastErrorText Exit Sub End If Dim rsa As New ChilkatRsa success = rsa.UsePrivateKey(privKey) If (success = 0) Then Debug.Print rsa.LastErrorText Exit Sub End If Dim originalData As String originalData = "This is the string to be hashed an RSA signed." ' Indicate that we want the utf-8 byte representation of the string to be signed rsa.Charset = "utf-8" ' We want the RSA signature in base64 format rsa.EncodingMode = "base64" Dim sigBase64 As String sigBase64 = rsa.SignStringENC(originalData,"sha256") Debug.Print sigBase64 |
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