Check TLS Key bits

src/symbols/tls/key.rs

@@ -8,7 +8,7 @@ use std::path::Path;
 pub struct Key<C, P> {
   file_path: P,
   command_runner: C,
-  bytes: u32,
+  bits: u32,
 }
 
 impl<C, P> Key<C, P> {
@@ -16,7 +16,7 @@ impl<C, P> Key<C, P> {
     Self {
       file_path,
       command_runner,
-      bytes: 4096,
+      bits: 4096,
     }
   }
 }
@@ -42,8 +42,10 @@ impl<C: CommandRunner, P: AsRef<Path>> Symbol for Key<C, P> {
         ],
       )
       .await?;
-    // FIXME check bytes
-    Ok(stdout.ends_with(b"RSA key ok\n"))
+    Ok(
+      stdout.ends_with(b"RSA key ok\n")
+        && stdout.starts_with(format!("RSA Private-Key: ({} bit, 2 primes)\n", self.bits).as_ref()),
+    )
   }
 
   async fn execute(&self) -> Result<(), Box<dyn Error>> {
@@ -55,7 +57,7 @@ impl<C: CommandRunner, P: AsRef<Path>> Symbol for Key<C, P> {
           "genrsa",
           "-out",
           self.file_path.as_ref(),
-          self.bytes.to_string(),
+          self.bits.to_string(),
         ],
       )
       .await