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XML Containers

Beside the SAFE e.V. XML container there is another XML container without any namespaces. Unfortunately the creator/maintainer of this format is unknown, therefore it is currently not known which of the following properties of the data format are mandatory and which are optional.

Single Meter Value Version

This XML data structure seems to be send via e.g. OCPI within the signed_data -> signed_values JSON array. In case of OCPI a lot of data is therefore redundant.

<?xml version="1.0" encoding="UTF-8" ?>
<signedMeterValue>
    <publicKey encoding="base64">wicwx2PPIlghxs5u/0K7DaYQmRo0XR2rpU8/OK+RyHTruvnTjll92gKkRfLmQIPc</publicKey>
    <meterValueSignature encoding="base64">GKC2AzlJPmYz8mhzf+BPesislFn+K3hbeCqtF50NLyy++p81QZ47iUdNO+pEJ41dAl8=</meterValueSignature>
    <signatureMethod>ECDSA192SHA256</signatureMethod>
    <encodingMethod>EDL</encodingMethod>
    <encodedMeterValue encoding="base64">CQFFTUgAAJZV1F7uV2MIjDnwAncCAAABAAERAP8e//+udQMAAAAAAl8EOyX6GG2AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAF3uV2MAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=</encodedMeterValue>
</signedMeterValue>

Multiple Meter Value Version

This XML data structure seems to be provided by some CPOs and EMPs within their user portals and combines at least the start and stop metering value.

<?xml version="1.0" encoding="UTF-8" ?>
<signedMeterValues>
    <signedMeterValue>
        <publicKey encoding="base64">wicwx2PPIlghxs5u/0K7DaYQmRo0XR2rpU8/OK+RyHTruvnTjll92gKkRfLmQIPc</publicKey>
        <meterValueSignature encoding="base64">GKC2AzlJPmYz8mhzf+BPesislFn+K3hbeCqtF50NLyy++p81QZ47iUdNO+pEJ41dAl8=</meterValueSignature>
        <signatureMethod>ECDSA192SHA256</signatureMethod>
        <encodingMethod>EDL</encodingMethod>
        <encodedMeterValue encoding="base64">CQFFTUgAAJZV1F7uV2MIjDnwAncCAAABAAERAP8e//+udQMAAAAAAl8EOyX6GG2AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAF3uV2MAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=</encodedMeterValue>
    </signedMeterValue>
    <signedMeterValue>
        <publicKey encoding="base64">wicwx2PPIlghxs5u/0K7DaYQmRo0XR2rpU8/OK+RyHTruvnTjll92gKkRfLmQIPc</publicKey>
        <meterValueSignature encoding="base64">jZgwXdnaNOyfXIoGt0Loixv3LJ09LVK6LBi3k3ta1dihx4nH6SL8CaRVYSIWVLa/Al8=</meterValueSignature>
        <signatureMethod>ECDSA192SHA256</signatureMethod>
        <encodingMethod>EDL</encodingMethod>
        <encodedMeterValue encoding="base64">CQFFTUgAAJZV1LAKWGMI3VXwAngCAAABAAERAP8e/0kQeQMAAAAAAl8EOyX6GG2AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAF3uV2MAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=</encodedMeterValue>
    </signedMeterValue>
</signedMeterValues>