Remove default private key and certificate (esp8266#3)

Author: igrr

ssl/cert.h

@@ -434,8 +434,8 @@ int load_key_certs(SSL_CTX *ssl_ctx)
     else if (!(options & SSL_NO_DEFAULT_KEY))
     {
 #if defined(CONFIG_SSL_USE_DEFAULT_KEY) || defined(CONFIG_SSL_SKELETON_MODE)
-        static const    /* saves a few more bytes */
-#include "private_key.h"
+        extern const unsigned char* default_private_key;
+        extern const unsigned int default_private_key_len;
 
         ssl_obj_memory_load(ssl_ctx, SSL_OBJ_RSA_KEY, default_private_key,
                 default_private_key_len, NULL); 
@@ -462,9 +462,9 @@ int load_key_certs(SSL_CTX *ssl_ctx)
     else if (!(options & SSL_NO_DEFAULT_KEY))
     {
 #if defined(CONFIG_SSL_USE_DEFAULT_KEY) || defined(CONFIG_SSL_SKELETON_MODE)
-        static const    /* saves a few bytes and RAM */
-#include "cert.h"
-        ssl_obj_memory_load(ssl_ctx, SSL_OBJ_X509_CERT, 
+        extern const unsigned char* default_certificate;
+        extern const unsigned int default_certificate_len;
+        ssl_obj_memory_load(ssl_ctx, SSL_OBJ_X509_CERT,
                     default_certificate, default_certificate_len, NULL);
 #endif
     }

ssl/loader.c

@@ -650,13 +650,13 @@ static void increment_write_sequence(SSL *ssl)
 static void add_hmac_digest(SSL *ssl, int mode, uint8_t *hmac_header,
         const uint8_t *buf, int buf_len, uint8_t *hmac_buf)
 {
-    const prefix_size = 8 + SSL_RECORD_SIZE;
+    const size_t prefix_size = 8 + SSL_RECORD_SIZE;
     bool hmac_inplace = (uint32_t)buf - (uint32_t)ssl->bm_data >= prefix_size;
     uint8_t tmp[prefix_size];
     int hmac_len = buf_len + prefix_size;
     uint8_t *t_buf;
     if (hmac_inplace) {
-        t_buf = buf - prefix_size;
+        t_buf = ((uint8_t*)buf) - prefix_size;
         memcpy(tmp, t_buf, prefix_size);
     } else {
         t_buf = (uint8_t *)malloc(hmac_len+10);