mbedtls/programs/psa/key_ladder_demo.sh
Bence Szépkúti c7da1fe381 Add Apache-2.0 headers to all scripts
This commit was generated using the following script:

# ========================
#!/bin/sh

# Find scripts
find -path './.git' -prune -o '(' -name '*.gdb' -o -name '*.pl' -o -name '*.py' -o -name '*.sh' ')' -print | xargs sed -i '

# Remove Mbed TLS declaration if it occurs before the copyright line
1,/Copyright.*Arm/I {
  /This file is part of/,$ {
    /Copyright.*Arm/I! d
  }
}

# Convert non-standard header in scripts/abi_check.py to the format used in the other scripts
/"""/,/"""/ {

  # Cut copyright declaration
  /Copyright.*Arm/I {
    h
    N
    d
  }

  # Paste copyright declaration
  /"""/ {
    x
    /./ {
      s/^/# /    # Add #
      x          # Replace orignal buffer with Copyright declaration
      p          # Print original buffer, insert newline
      i\

      s/.*//     # Clear original buffer
    }
    x
  }
}

/Copyright.*Arm/I {

  # Print copyright declaration
  p

  # Read the two lines immediately following the copyright declaration
  N
  N

  # Insert Apache header if it is missing
  /SPDX/! {
    i\
# 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.

    # Insert Mbed TLS declaration if it is missing
    /This file is part of/! i\
#\
# This file is part of Mbed TLS (https://tls.mbed.org)
  }

  # Clear copyright declaration from buffer
  D
}
'
# ========================

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
2020-06-15 12:05:47 +02:00

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#!/bin/sh
#
# Copyright (C) 2018, Arm Limited, All Rights Reserved
# 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)
set -e -u
program="${0%/*}"/key_ladder_demo
files_to_clean=
run () {
echo
echo "# $1"
shift
echo "+ $*"
"$@"
}
if [ -e master.key ]; then
echo "# Reusing the existing master.key file."
else
files_to_clean="$files_to_clean master.key"
run "Generate a master key." \
"$program" generate master=master.key
fi
files_to_clean="$files_to_clean input.txt hello_world.wrap"
echo "Here is some input. See it wrapped." >input.txt
run "Derive a key and wrap some data with it." \
"$program" wrap master=master.key label=hello label=world \
input=input.txt output=hello_world.wrap
files_to_clean="$files_to_clean hello_world.txt"
run "Derive the same key again and unwrap the data." \
"$program" unwrap master=master.key label=hello label=world \
input=hello_world.wrap output=hello_world.txt
run "Compare the unwrapped data with the original input." \
cmp input.txt hello_world.txt
files_to_clean="$files_to_clean hellow_orld.txt"
! run "Derive a different key and attempt to unwrap the data. This must fail." \
"$program" unwrap master=master.key input=hello_world.wrap output=hellow_orld.txt label=hellow label=orld
files_to_clean="$files_to_clean hello.key"
run "Save the first step of the key ladder, then load it as a master key and construct the rest of the ladder." \
"$program" save master=master.key label=hello \
input=hello_world.wrap output=hello.key
run "Check that we get the same key by unwrapping data made by the other key." \
"$program" unwrap master=hello.key label=world \
input=hello_world.wrap output=hello_world.txt
# Cleanup
rm -f $files_to_clean