ProtocolKotlin

// Assuming an already existing secret boud to secretId

// Generate random session ID for a new synchronisation session
val syncSessionId = UUID.randomUUID().toString()

// Perform a ECDSA-over-secp256k1 synchronisation procedure for a key with path "m/44'/0'/0'/0'/0'"
val publicKey = syncDistributedEcdsaKey(driver, secretId, syncSessionId, EcdsaCurve.secp256k1 , 0, 0);

// At this point synchronisation data is saved to the storage so one may access it to get a compound public key
val _publicKey = getEcdsaPublicKey(driver, secretId, syncSessionId);

// Which is obviously the same key that was returned from the synchronisation procedure itself
Assert.assertEquals(publicKey, _publicKey)

// Generate random session ID for a new signing session
const signSessionId = UUID.randomUUID().toString()

// Message to be signed
val message = "7hJ9yN2OdIQo2kJu0arZgw2EKnMX5FGtQ6jlCWuLXCM="

// Generate a ECDSA signature
val signature = signEcdsaMessage(driver, secretId, syncSessionId, signSessionId, message, signatureToken)

// Verify the resulting signature against a compound public key
println(
 mapOf(
     "curve" to EcdsaCurve.secp256k1,
     "publicKey" to publicKey,
     "message" to message,
     "signature" to mapOf(
         "r" to signature.r,
         "s" to signature.s,
         "recovery" to signature.recovery
     )
 )
)