(PowerBuilder) 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 ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

integer li_rc
oleobject loo_PrivKey
integer li_Success
oleobject loo_SbPem
oleobject loo_Rsa
string ls_StrSigned
string ls_StrOriginal

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

loo_PrivKey = create oleobject
// Use "Chilkat_9_5_0.PrivateKey" for versions of Chilkat < 10.0.0
li_rc = loo_PrivKey.ConnectToNewObject("Chilkat.PrivateKey")
if li_rc < 0 then
    destroy loo_PrivKey
    MessageBox("Error","Connecting to COM object failed")
    return
end if

loo_SbPem = create oleobject
// Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
li_rc = loo_SbPem.ConnectToNewObject("Chilkat.StringBuilder")

loo_SbPem.AppendLine("-----BEGIN RSA PRIVATE KEY-----",1)
loo_SbPem.AppendLine("MIIC .... j5A==",1)
loo_SbPem.AppendLine("-----END RSA PRIVATE KEY-----",1)

li_Success = loo_PrivKey.LoadPem(loo_SbPem.GetAsString())
if li_Success <> 1 then
    Write-Debug loo_PrivKey.LastErrorText
    destroy loo_PrivKey
    destroy loo_SbPem
    return
end if

loo_Rsa = create oleobject
// Use "Chilkat_9_5_0.Rsa" for versions of Chilkat < 10.0.0
li_rc = loo_Rsa.ConnectToNewObject("Chilkat.Rsa")

li_Success = loo_Rsa.ImportPrivateKeyObj(loo_PrivKey)
if li_Success <> 1 then
    Write-Debug loo_Rsa.LastErrorText
    destroy loo_PrivKey
    destroy loo_SbPem
    destroy loo_Rsa
    return
end if

loo_Rsa.EncodingMode = "base64"
ls_StrSigned = loo_Rsa.OpenSslSignStringENC("12345678")
Write-Debug ls_StrSigned

ls_StrOriginal = loo_Rsa.OpenSslVerifyStringENC(ls_StrSigned)
Write-Debug ls_StrOriginal


destroy loo_PrivKey
destroy loo_SbPem
destroy loo_Rsa