multipaz-android-legacy/com.android.identity.android.legacy/PlatformCredentialDataResult/getDeviceSignature

getDeviceSignature

@Nullable
open fun getDeviceSignature(): Array<Byte>

Returns a digital signature over the DeviceAuthenticationBytes CBOR specified in getDeviceNameSpaces, to prove to the reader that the data is from a trusted credential. The signature will be made with one of the provisioned dynamic authentication keys.

At most one of getDeviceMac or getDeviceSignature is implemented.

Return

null if not implemented, otherwise a COSE_Sign1 structure with the payload set to the data returned by getDeviceNameSpaces.