crypto: reuse variable instead of reevaluation

PR-URL: nodejs#17735
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Daniel Bevenius <[email protected]>
Reviewed-By: Jon Moss <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>

Author: tniessen

src/node_crypto.cc

@@ -3565,7 +3565,7 @@ void CipherBase::Init(const char* cipher_type,
                     nullptr,
                     reinterpret_cast<unsigned char*>(key),
                     reinterpret_cast<unsigned char*>(iv),
-                    kind_ == kCipher);
+                    encrypt);
 }
 
 
@@ -3634,7 +3634,7 @@ void CipherBase::InitIv(const char* cipher_type,
                     nullptr,
                     reinterpret_cast<const unsigned char*>(key),
                     reinterpret_cast<const unsigned char*>(iv),
-                    kind_ == kCipher);
+                    encrypt);
 }