Update documentation to enable encrypted keys.

Author: dgarske

README.md

@@ -50,7 +50,7 @@ $ ./autogen.sh
 $ git clone https://github.com/wolfssl/wolfssl
 $ cd wolfssl
 $ ./autogen.sh
-$ ./configure --enable-sniffer --enable-curve25519 --enable-curve448 CFLAGS="-DWOLFSSL_DH_EXTRA"
+$ ./configure --enable-sniffer --enable-curve25519 --enable-curve448 --enable-enckeys CFLAGS="-DWOLFSSL_DH_EXTRA"
 $ make
 $ make check   # (optional, but highly recommended)
 $ sudo make install

src/mod_tls.c

@@ -191,7 +191,12 @@ int wolfTlsSetKey(WOLFSSL_CTX* ctx, const char* keyFile,
 
     if (keyFile) {
         if (fileType == WOLFSSL_FILETYPE_PEM && keyPassword) {
+        #ifdef WOLFSSL_ENCRYPTED_KEYS
             wolfSSL_CTX_set_default_passwd_cb_userdata(ctx, (void*)keyPassword);
+        #else
+            XLOG(WOLFKM_LOG_WARN, "Key password support not enabled. "
+                                "Please build wolfSSL with --enable-enckeys\n");
+        #endif
         }
         ret = wolfSSL_CTX_use_PrivateKey_file(ctx, keyFile, fileType);
     }

wolfkeymgr/sock_mgr.h

@@ -152,7 +152,7 @@ struct SvcConn {
 
 typedef struct SvcConnList {
     SvcConn* head;
-    /* no locking needed, this list is only accedded by the working thread */
+    /* no locking needed, this list is only accepted by the working thread */
 } SvcConnList;