PowerShell Requires Chilkat v11.0.0+

RSA Signature SHA256withRSA, iso-8859-1, base64

See more RSA Examples

RSA sign the iso-8859-1 byte representation of a string with SHA256withRSA, and return the signature in the base64 encoding. PowerShell

Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"

$success = $false

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

#  This example will duplicate the following Java code:
#  
#  Signature sign = Signature.getInstance("SHA256withRSA");
#  sign.initSign(privateKey);
#  sign.update(original.getBytes(Charset.forName("ISO-8859-1")));
#  
#  ...
#  byte[] resultado = sign.sign();
#  sello = encodeByteArrayToBase64(resultado);
#  

#  Load an RSA private key for signing.
#  You can load any format file.  This example loads a .pem, but you can provide path to any type of file holding a private key.
$privKey = New-Object Chilkat.PrivateKey
$success = $privKey.LoadAnyFormatFile("qa_data/pem/rsa_passwd.pem","passwd")
if ($success -eq $false) {
    $($privKey.LastErrorText)
    exit
}

$rsa = New-Object Chilkat.Rsa
$rsa.UsePrivateKey($privKey)

$originalData = "This is the string to be hashed an RSA signed."

#  Indicate that we want the iso-8859-1 byte representation of the string to be signed
$rsa.Charset = "iso-8859-1"

#  We want the RSA signature in base64 format
$rsa.EncodingMode = "base64"

$sigBase64 = $rsa.SignStringENC($originalData,"sha256")
$($sigBase64)