diff --git a/library/ssl_cli.c b/library/ssl_cli.c
index b4634c2..adcac44 100644
--- a/library/ssl_cli.c
+++ b/library/ssl_cli.c
@@ -1389,8 +1389,8 @@
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
+            return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
         }
     }
     else
@@ -1403,8 +1403,8 @@
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
+            return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
         }
 
         ssl->secure_renegotiation = MBEDTLS_SSL_SECURE_RENEGOTIATION;
@@ -1431,8 +1431,8 @@
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
+        return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
     }
 
     return( 0 );
@@ -1453,16 +1453,16 @@
     {
         MBEDTLS_SSL_DEBUG_MSG( 1, ( "CID extension unexpected" ) );
         mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                     MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+                                        MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
+        return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
     }
 
     if( len == 0 )
     {
         MBEDTLS_SSL_DEBUG_MSG( 1, ( "CID extension invalid" ) );
         mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                     MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+                                     MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
+        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
     }
 
     peer_cid_len = *buf++;
@@ -1472,16 +1472,16 @@
     {
         MBEDTLS_SSL_DEBUG_MSG( 1, ( "CID extension invalid" ) );
         mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                     MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+                                     MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
+        return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
     }
 
     if( len != peer_cid_len )
     {
         MBEDTLS_SSL_DEBUG_MSG( 1, ( "CID extension invalid" ) );
         mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                     MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+                                     MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
+        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
     }
 
     ssl->handshake->cid_in_use = MBEDTLS_SSL_CID_ENABLED;
@@ -1508,8 +1508,8 @@
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
+        return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
     }
 
     ((void) buf);
@@ -1533,8 +1533,8 @@
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
+        return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
     }
 
     ((void) buf);
@@ -1558,8 +1558,8 @@
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
+        return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
     }
 
     ((void) buf);
@@ -1584,7 +1584,7 @@
         MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
         mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
                                         MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
     }
     list_size = buf[0];
 
@@ -1612,7 +1612,7 @@
     MBEDTLS_SSL_DEBUG_MSG( 1, ( "no point format in common" ) );
     mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
                                     MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-    return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
 }
 #endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C ||
           MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
@@ -1665,8 +1665,8 @@
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
+        return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
     }
 
     /*
@@ -1684,7 +1684,7 @@
     {
         mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
                                         MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
     }
 
     list_len = ( buf[0] << 8 ) | buf[1];
@@ -1692,7 +1692,7 @@
     {
         mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
                                         MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
     }
 
     name_len = buf[2];
@@ -1700,7 +1700,7 @@
     {
         mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
                                         MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
     }
 
     /* Check that the server chosen protocol was in our list and save it */
@@ -1717,7 +1717,7 @@
     MBEDTLS_SSL_DEBUG_MSG( 1, ( "ALPN extension: no matching protocol" ) );
     mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
                                     MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-    return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
 }
 #endif /* MBEDTLS_SSL_ALPN */
 
@@ -1759,7 +1759,7 @@
      *                                      and optional srtp_mki
      */
     if( ( len < 5 ) || ( len != ( buf[4] + 5u ) ) )
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
 
     /*
      * get the server protection profile
@@ -1770,7 +1770,7 @@
      * one protection profile in server Hello
      */
     if( (  buf[0] != 0 ) || ( buf[1] != 2 ) )
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
 
     server_protection_profile_value = ( buf[2] << 8 ) | buf[3];
     server_protection = mbedtls_ssl_check_srtp_profile_value(
@@ -1804,7 +1804,7 @@
     {
         mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
                                         MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
     }
 
     /* If server does not use mki in its reply, make sure the client won't keep
@@ -1825,7 +1825,7 @@
     {
         mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
                                         MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
     }
 #if defined (MBEDTLS_DEBUG_C)
     if( len > 5 )
@@ -1860,7 +1860,7 @@
             ( "incoming HelloVerifyRequest message is too short" ) );
         mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
                                     MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
     }
 
     /*
@@ -1897,7 +1897,7 @@
             ( "cookie length does not match incoming message size" ) );
         mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
                                     MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
     }
     MBEDTLS_SSL_DEBUG_BUF( 3, "cookie", p, cookie_len );
 
@@ -2005,7 +2005,7 @@
         MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
         mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
                                         MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
     }
 
     /*
@@ -2061,7 +2061,7 @@
         MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
         mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
                                         MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
     }
 
     if( ssl->in_hslen > mbedtls_ssl_hs_hdr_len( ssl ) + 39 + n )
@@ -2077,7 +2077,7 @@
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
                 MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            return( MBEDTLS_ERR_SSL_DECODE_ERROR );
         }
     }
     else if( ssl->in_hslen == mbedtls_ssl_hs_hdr_len( ssl ) + 38 + n )
@@ -2089,7 +2089,7 @@
         MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
         mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
                                         MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
     }
 
     /* ciphersuite (used later) */
@@ -2186,7 +2186,7 @@
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
                 MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
         }
 
         if( ssl->conf->ciphersuite_list[i++] ==
@@ -2205,8 +2205,8 @@
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
+        return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
     }
 
     MBEDTLS_SSL_DEBUG_MSG( 3,
@@ -2228,7 +2228,7 @@
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
             MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
     }
     ssl->session_negotiate->compression = comp;
 
@@ -2250,7 +2250,7 @@
             mbedtls_ssl_send_alert_message(
                 ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
                 MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            return( MBEDTLS_ERR_SSL_DECODE_ERROR );
         }
 
         switch( ext_id )
@@ -2395,7 +2395,7 @@
         if( ext_len > 0 && ext_len < 4 )
         {
             MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            return( MBEDTLS_ERR_SSL_DECODE_ERROR );
         }
     }
 
@@ -2443,7 +2443,7 @@
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
             MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
     }
 
     MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= parse server hello" ) );