import win32com.client
import win32com.client
import os
import base64

document_path = os.path.join("VizualizacijaEhD.PDF")
signature_path = os.path.join("VizualizacijaEhD.PDF.sig")

about = win32com.client.Dispatch('CAdESCOM.About')
print(about.PluginVersion())

signedData = win32com.client.Dispatch('CAdESCOM.CadesSignedData')
with open(document_path, 'rb') as f:
    content = base64.b64encode(f.read()).decode("utf-8")

with open(signature_path, 'rb') as file:
    signature = base64.b64encode(file.read()).decode('utf-8')

cadesType = signedData.GetMsgType(signature)
signedData.ContentEncoding = 1
signedData.Content = content
signedData.VerifyCades(signature, cadesType, True)
#signers = signedData.Signers
certs = signedData.Certificates

for i in range(1, certs.Count + 1):
    cert = certs.Item(i)
    common = cert.SubjectName
    thumbprint = cert.Thumbprint
    print ("Certificate #" + str(i) + ". " + common + "\nThumbprint: " + thumbprint)