From d9d2042f759a253582ed89bc100155b9314b848b Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Mon, 18 Feb 2019 07:20:41 -0600
Subject: [PATCH] Revert "tools/check-hash.sh:  Add a tool check hash on
 downloaded packages."

This tool was supposed to go to apps/tools, not nuttx/tools.

This reverts commit 41245f421e95753ed25806fbc6627624a9859398.
---
 tools/README.txt    |  8 ----
 tools/check-hash.sh | 89 ---------------------------------------------
 2 files changed, 97 deletions(-)
 delete mode 100644 tools/check-hash.sh

diff --git a/tools/README.txt b/tools/README.txt
index 9996e57f90..1fedd34337 100644
--- a/tools/README.txt
+++ b/tools/README.txt
@@ -7,14 +7,6 @@ The tools/ directory contains miscellaneous scripts and host C programs
 that are necessary parts of the NuttX build system.  These files
 include:
 
-check-hash.sh
--------------
-
-  Tool to check commonly used hashes of externaly downloaded packages.
-  Good way of checking if download got corrupted or if there is man in the
-  middle attack going on. Also protects from situation when upstream
-  server gets hacked and sources are replaced with mallicious ones.
-
 cmpconfig.c
 -----------
 
diff --git a/tools/check-hash.sh b/tools/check-hash.sh
deleted file mode 100644
index 823f422170..0000000000
--- a/tools/check-hash.sh
+++ /dev/null
@@ -1,89 +0,0 @@
-#!/usr/bin/env sh
-############################################################################
-# apps/tools/check-hash.sh
-#
-#   Copyright (C) 2019 Michał Łyszczek. All rights reserved.
-#   Author: Michał Łyszczek <michal.lyszczek@bofc.pl>
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# 1. Redistributions of source code must retain the above copyright
-#    notice, this list of conditions and the following disclaimer.
-# 2. Redistributions in binary form must reproduce the above copyright
-#    notice, this list of conditions and the following disclaimer in
-#    the documentation and/or other materials provided with the
-#    distribution.
-# 3. Neither the name NuttX nor the names of its contributors may be
-#    used to endorse or promote products derived from this software
-#    without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
-# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
-# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
-# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
-# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-# POSSIBILITY OF SUCH DAMAGE.
-#
-############################################################################
-
-usage="Usage: $0 <hash-algo> <expected-hash> <file-to-check>"
-
-if [ ${#} -ne 3 ]
-then
-    echo "ERROR: invalid number of arguments passed"
-    echo ""
-    echo ${usage}
-    exit 1
-fi
-
-hash_algo=${1}
-exp_hash=${2}
-file_to_check=${3}
-
-if [ ! -f "${file_to_check}" ]; then
-    echo "ERROR: file '${file_to_check}' does not exist"
-    echo ""
-    echo ${usage}
-    exit 1
-fi
-
-case "${hash_algo}" in
-    sha1|sha224|sha256|sha384|sha512)
-        # valid hash passed, continue
-        ;;
-
-    *)
-        echo "ERROR: invalid hash '${hash_algo}' for file '${file_to_check}'"
-        echo "supported hashes are:"
-        echo "    sha1, sha224, sha256, sha384, sha512"
-        echo ""
-        echo ${usage}
-        exit 1
-esac
-
-# Calculate hash value of passed file
-
-calc_hash=$( ${hash_algo}sum "${file_to_check}" | cut -d' ' -f1 )
-
-# Does it match expected hash?
-
-if [ "${exp_hash}" == "${calc_hash}" ]; then
-    # yes, they match, we're good
-    exit 0
-fi
-
-# No, hashes don't match, print error message and remove corrupted file
-
-echo "ERROR: file ${file_to_check} has invalid hash"
-echo "got:      ${calc_hash}"
-echo "expected: ${exp_hash}"
-rm "${file_to_check}"
-exit 1