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RSA Decrypt using PEM

See more RSA Examples

This example demonstrates decryping RSA encrypted data that is base64 encoded. It uses a private key loaded from a PEM file. AutoIt

Local $bSuccess = False

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

$oRsa = ObjCreate("Chilkat.Rsa")

$oKey = ObjCreate("Chilkat.PrivateKey")

; Load an RSA private key from an unencrypted PEM file:
; (To load from an encrypted PEM file, call LoadEncryptedPemFile instead.)

$bSuccess = $oKey.LoadPemFile("qa_data/rsa/decryptTest/priv.pem")
If ($bSuccess = False) Then
    ConsoleWrite($oKey.LastErrorText & @CRLF)
    Exit
EndIf

; Make the key available to the RSA object
$bSuccess = $oRsa.UsePrivateKey($oKey)
If ($bSuccess = False) Then
    ConsoleWrite($oRsa.LastErrorText & @CRLF)
    Exit
EndIf

Local $sEncryptedStr = "pP9XFJEsGgxPNHEgNiLB5H5ksCOXDk/G49BPTog1jKLAhYofV4UTH5k2TOYiqRnDnKs8+8uPoN/IxdiGXvuYG8HRzN0HtkhoZO/AxeyaB9S7eddCUlT0Pl2PEB2yQ9HG5rM7jqYOD6MAM4cuX7hqT8fa8tbzJzmBwdfFDBz94bwQjULHiO+gklIBC4vhkXT4yjuvEjxTAKU6tJeZYkBooJNdS/vE5RZRpuF6bGZU41Qc17qFR+iReBq+9f8IMmw8WR8fMbOCaygOfFS1nw7JVsIMGsAIXS8rUaJ/2DfGPfQx5HCiVtTOreGYRUI3esAQjnvUCnavZyQgs53nl7e2aA=="

$oRsa.EncodingMode = "base64"

Local $bUsePrivateKey = True
Local $sDecryptedStr = $oRsa.DecryptStringENC($sEncryptedStr,$bUsePrivateKey)

ConsoleWrite("Decrypted:" & @CRLF)
ConsoleWrite($sDecryptedStr & @CRLF)