AliOS Things Copyright 2017 Alibaba Group This product includes software developed at Alibaba Group. (http://www.alibabagroup.com) This product contains software sha256 developed by Google Inc, licensed under the Copyright 2011 The Android Open Source Project. This product contains software cJSON developed by Dave Gamble, licensed under the Copyright (C) 2011 Gregory Nutt. This product contains software md5 developed by Cameron Rich, licensed under the Copyright (c) 2007, Cameron Rich. This product contains software sha2 developed by Aaron D. Gifford, licensed under the Copyright (c) 2000-2001, Aaron D. Gifford. This product contains software mbedtls developed by ARM Limited, licensed under the Copyright (C) 2006-2015.