Fix key sizes

.travis.yml

@@ -13,6 +13,12 @@ before_install:
     - ./configure --prefix=/usr && make
     - sudo make install
     - popd
+    - wget https://tls.mbed.org/download/start/mbedtls-2.4.0-gpl.tgz
+    - tar xvf mbedtls-2.4.0-gpl.tgz
+    - pushd mbedtls-2.4.0-gpl
+    - make
+    - sudo make install
+    - popd
 addons:
     apt:
         packages:

src/aead.c

@@ -740,7 +740,7 @@ aead_key_init(int method, const char *pass)
     }
 
     cipher->key_len = crypto_derive_key(cipher, pass, cipher->key,
-                                        supported_aead_ciphers_key_size[cipher->method], 2);
+                                        supported_aead_ciphers_key_size[method], 2);
 
     if (cipher->key_len == 0) {
         FATAL("Cannot generate key and nonce");