[kat/rsa] Use correct Wycheproof test case id

Remove the counter that does not match the actual id of the current
test which made it hard to locate individual tests and use the
provided test case id instead.

Signed-off-by: Andrea Caforio <[email protected]>

Author: andrea-caforio

sw/host/tests/crypto/rsa_kat/src/main.rs

@@ -38,6 +38,7 @@ struct Opts {
 
 #[derive(Debug, Deserialize)]
 struct RsaTestCase {
+    test_case_id: u32,
     algorithm: String,
     operation: String,
     padding: String,
@@ -233,15 +234,13 @@ fn test_rsa(opts: &Opts, transport: &TransportWrapper) -> Result<()> {
     let spi_console_device = SpiConsoleDevice::new(&*spi, None)?;
     let _ = UartConsole::wait_for(&spi_console_device, r"Running [^\r\n]*", opts.timeout)?;
 
-    let mut test_counter = 0u32;
     let test_vector_files = &opts.rsa_json;
     for file in test_vector_files {
         let raw_json = fs::read_to_string(file)?;
         let rsa_tests: Vec<RsaTestCase> = serde_json::from_str(&raw_json)?;
 
         for rsa_test in &rsa_tests {
-            test_counter += 1;
-            log::info!("Test counter: {}", test_counter);
+            log::info!("Test counter: {}", rsa_test.test_case_id);
             run_rsa_testcase(rsa_test, opts, &spi_console_device)?;
         }
     }