$ openssl dgst -sha256 -sign sample_private_key_non-smpte.pem -binary KDM-SignatureValue-SignedInfo.xml | openssl base64 NaAMJplu6vSiLFsHZ05ORr9adFJrhTZ33hnT5XS/elIAQqttOH30izLbNoFTYK/K vbyxZfxpTsMoTXr1gz7v/01dNryZuxe19APRvOBMPCdoZlwzuXTb8X6udDlbAkFk OGSwmhLuOvNgg3tpdPqH8nT/bxAPgx2gEJ0o/4r7VX3JDlZMQiL5+Yt+PJIMtbZ1 OHZGEZvAWLfkIeYV5IonFaRijWCqNl8P7x3UzlNsGKNfd7N71RZJ5HLI8bI57Cj0 9uRzmDh7z3ndPXRRUcE6B5x2efS46/llUzk13Xzgjsbq1Qg9hi/NzgbTOwpZc6oq 8GjNuWstqwXVC4fM8SkjkA== # This is the SignatureValue of your SignedInfo # WARNING : SignedInfo isn't canonalized