# https://learn.microsoft.com/en-us/azure/iot-dps/how-to-legacy-device-symm-key?tabs=linux&%3Bpivots=programming-language-ansi-c&pivots=programming-language-ansi-c#derive-a-device-key | # https://learn.microsoft.com/en-us/azure/iot-dps/how-to-legacy-device-symm-key?tabs=linux&%3Bpivots=programming-language-ansi-c&pivots=programming-language-ansi-c#derive-a-device-key |