Bump mbedTLS version to 2.28.0 (new LTS).

Keep applying the windows entropy patch (UWP support).
Remove no longer needed padlock patch.
Update thirdparty README to reflect changes, and new source inclusion
criteria.

1 files changed, 127 insertions, 0 deletions

diff --git a/thirdparty/mbedtls/library/mps_trace.c b/thirdparty/mbedtls/library/mps_trace.c
new file mode 100644
index 0000000000..6026a07163
--- /dev/null
+++ b/thirdparty/mbedtls/library/mps_trace.c
@@ -0,0 +1,127 @@
+/*
+ *  Message Processing Stack, Trace module
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  This file is part of Mbed TLS (https://tls.mbed.org)
+ */
+
+#include "common.h"
+
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+
+#include "mps_common.h"
+
+#if defined(MBEDTLS_MPS_ENABLE_TRACE)
+
+#include "mps_trace.h"
+#include <stdarg.h>
+
+static int trace_depth = 0;
+
+#define color_default  "\x1B[0m"
+#define color_red      "\x1B[1;31m"
+#define color_green    "\x1B[1;32m"
+#define color_yellow   "\x1B[1;33m"
+#define color_blue     "\x1B[1;34m"
+#define color_magenta  "\x1B[1;35m"
+#define color_cyan     "\x1B[1;36m"
+#define color_white    "\x1B[1;37m"
+
+static char const * colors[] =
+{
+    color_default,
+    color_green,
+    color_yellow,
+    color_magenta,
+    color_cyan,
+    color_blue,
+    color_white
+};
+
+#define MPS_TRACE_BUF_SIZE 100
+
+void mbedtls_mps_trace_print_msg( int id, int line, const char *format, ... )
+{
+    int ret;
+    char str[MPS_TRACE_BUF_SIZE];
+    va_list argp;
+    va_start( argp, format );
+    ret = mbedtls_vsnprintf( str, MPS_TRACE_BUF_SIZE, format, argp );
+    va_end( argp );
+
+    if( ret >= 0 && ret < MPS_TRACE_BUF_SIZE )
+    {
+        str[ret] = '\0';
+        mbedtls_printf( "[%d|L%d]: %s\n", id, line, str );
+    }
+}
+
+int mbedtls_mps_trace_get_depth()
+{
+    return trace_depth;
+}
+void mbedtls_mps_trace_dec_depth()
+{
+    trace_depth--;
+}
+void mbedtls_mps_trace_inc_depth()
+{
+    trace_depth++;
+}
+
+void mbedtls_mps_trace_color( int id )
+{
+    if( id > (int) ( sizeof( colors ) / sizeof( *colors ) ) )
+        return;
+    printf( "%s", colors[ id ] );
+}
+
+void mbedtls_mps_trace_indent( int level, mbedtls_mps_trace_type ty )
+{
+    if( level > 0 )
+    {
+        while( --level )
+            printf( "|  " );
+
+        printf( "|  " );
+    }
+
+    switch( ty )
+    {
+        case MBEDTLS_MPS_TRACE_TYPE_COMMENT:
+            mbedtls_printf( "@ " );
+            break;
+
+        case MBEDTLS_MPS_TRACE_TYPE_CALL:
+            mbedtls_printf( "+--> " );
+            break;
+
+        case MBEDTLS_MPS_TRACE_TYPE_ERROR:
+            mbedtls_printf( "E " );
+            break;
+
+        case MBEDTLS_MPS_TRACE_TYPE_RETURN:
+            mbedtls_printf( "< " );
+            break;
+
+        default:
+            break;
+    }
+}
+
+#endif /* MBEDTLS_MPS_ENABLE_TRACE */
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */