64 byte signature using hmac algorithm sha 384 with pem file in Xcode

// enums

// usage

i am able to get 64 byte signature data which is required by client to send over server but my peripheral firmware is disconnecting when writing signature which i don't want and if i want to connect again then i have to press reset button so far.

Any help will be appreciated.. thanks in advance.. @quin pls help

64 byte signature using hmac algorithm sha 384 with pem file in Xcode
 
 
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