Change constant name from algo len to key len

Simple naming change to better describe the variable

Test: Ran unit tests
Bug: N/A
Change-Id: I2eb4c3a75f7f3ab6c9a09562a190fe81509b0fc7
diff --git a/server/XfrmController.cpp b/server/XfrmController.cpp
index 5db053a..076707a 100644
--- a/server/XfrmController.cpp
+++ b/server/XfrmController.cpp
@@ -680,9 +680,9 @@
                                                   "Encryption");
     }
 
-    if (record.aead.key.size() > MAX_ALGO_LENGTH || record.auth.key.size() > MAX_ALGO_LENGTH ||
-        record.crypt.key.size() > MAX_ALGO_LENGTH) {
-        return netdutils::statusFromErrno(EINVAL, "Key length invalid; exceeds MAX_ALGO_LENGTH");
+    if (record.aead.key.size() > MAX_KEY_LENGTH || record.auth.key.size() > MAX_KEY_LENGTH ||
+        record.crypt.key.size() > MAX_KEY_LENGTH) {
+        return netdutils::statusFromErrno(EINVAL, "Key length invalid; exceeds MAX_KEY_LENGTH");
     }
 
     int len;