diff --git a/programs/psa/key_ladder_demo.sh b/programs/psa/key_ladder_demo.sh
index 3ffbd8b01..fc2ef336f 100755
--- a/programs/psa/key_ladder_demo.sh
+++ b/programs/psa/key_ladder_demo.sh
@@ -1,6 +1,19 @@
 #!/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)
 
diff --git a/programs/test/udp_proxy_wrapper.sh b/programs/test/udp_proxy_wrapper.sh
index 85f4423d3..cfc269a61 100755
--- a/programs/test/udp_proxy_wrapper.sh
+++ b/programs/test/udp_proxy_wrapper.sh
@@ -3,6 +3,19 @@
 # Usage: udp_proxy_wrapper.sh [PROXY_PARAM...] -- [SERVER_PARAM...]
 #
 # Copyright (C) 2017, 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)
 
diff --git a/scripts/abi_check.py b/scripts/abi_check.py
index c2aca501d..b8fc9b800 100755
--- a/scripts/abi_check.py
+++ b/scripts/abi_check.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python3
 """
-This file is part of Mbed TLS (https://tls.mbed.org)
-
-Copyright (c) 2018, Arm Limited, All Rights Reserved
-
 Purpose
 
 This script is a small wrapper around the abi-compliance-checker and
@@ -15,6 +11,23 @@ Returns 0 on success, 1 on ABI/API non-compliance, and 2 if there is an error
 while running the script. Note: must be run from Mbed TLS root.
 """
 
+# 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)
+
 import os
 import sys
 import traceback
diff --git a/scripts/apidoc_full.sh b/scripts/apidoc_full.sh
index a8e48455b..f270bf4a8 100755
--- a/scripts/apidoc_full.sh
+++ b/scripts/apidoc_full.sh
@@ -8,6 +8,19 @@
 # when multiple targets are invoked in the same parallel build.
 #
 # Copyright (C) 2016, 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)
 
diff --git a/scripts/bump_version.sh b/scripts/bump_version.sh
index cf875c88d..88e3a46ee 100755
--- a/scripts/bump_version.sh
+++ b/scripts/bump_version.sh
@@ -1,8 +1,21 @@
 #!/bin/bash
 #
-# This file is part of mbed TLS (https://tls.mbed.org)
-#
 # Copyright (c) 2012-2016, 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)
 #
 # Purpose
 #
diff --git a/scripts/ecc-heap.sh b/scripts/ecc-heap.sh
index 3231f7c94..1a2a6d141 100755
--- a/scripts/ecc-heap.sh
+++ b/scripts/ecc-heap.sh
@@ -8,6 +8,19 @@
 # scripts/ecc-heap.sh | tee ecc-heap.log
 #
 # Copyright (C) 2014-2015, 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)
 
diff --git a/scripts/footprint.sh b/scripts/footprint.sh
index 961a0d60b..de7b68fc4 100755
--- a/scripts/footprint.sh
+++ b/scripts/footprint.sh
@@ -1,8 +1,21 @@
 #!/bin/sh
 #
-# This file is part of mbed TLS (https://tls.mbed.org)
-#
 # Copyright (c) 2015-2016, 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)
 #
 # Purpose
 #
diff --git a/scripts/generate_errors.pl b/scripts/generate_errors.pl
index 81e5c468d..f3814f475 100755
--- a/scripts/generate_errors.pl
+++ b/scripts/generate_errors.pl
@@ -6,6 +6,19 @@
 # or generate_errors.pl include_dir data_dir error_file
 #
 # Copyright (C) 2011-2020, 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)
 
diff --git a/scripts/generate_features.pl b/scripts/generate_features.pl
index 3c049915e..e60bb88fb 100755
--- a/scripts/generate_features.pl
+++ b/scripts/generate_features.pl
@@ -1,6 +1,19 @@
 #!/usr/bin/env perl
 #
 # Copyright (C) 2014-2015, 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)
 
diff --git a/scripts/generate_psa_constants.py b/scripts/generate_psa_constants.py
index 9fbccd333..3d2e6815a 100755
--- a/scripts/generate_psa_constants.py
+++ b/scripts/generate_psa_constants.py
@@ -12,6 +12,19 @@ file is written:
 """
 
 # Copyright (C) 2018-2020, 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)
 
diff --git a/scripts/generate_query_config.pl b/scripts/generate_query_config.pl
index 26778d3bf..c9ef83801 100755
--- a/scripts/generate_query_config.pl
+++ b/scripts/generate_query_config.pl
@@ -17,6 +17,19 @@
 # Usage: ./scripts/generate_query_config.pl without arguments
 #
 # Copyright (C) 2018-2019, 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)
 
diff --git a/scripts/generate_visualc_files.pl b/scripts/generate_visualc_files.pl
index 268597074..d72d19dad 100755
--- a/scripts/generate_visualc_files.pl
+++ b/scripts/generate_visualc_files.pl
@@ -7,6 +7,19 @@
 # Takes no argument.
 #
 # Copyright (C) 2013-2020, 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)
 
diff --git a/scripts/massif_max.pl b/scripts/massif_max.pl
index f7fa919b4..f5d870f5a 100755
--- a/scripts/massif_max.pl
+++ b/scripts/massif_max.pl
@@ -3,6 +3,19 @@
 # Parse a massif.out.xxx file and output peak total memory usage
 #
 # Copyright (C) 2014, 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)
 
diff --git a/scripts/memory.sh b/scripts/memory.sh
index 513549598..15693a0af 100755
--- a/scripts/memory.sh
+++ b/scripts/memory.sh
@@ -7,6 +7,19 @@
 # since for memory we want debug information.
 #
 # Copyright (C) 2014-2015, 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)
 
diff --git a/scripts/output_env.sh b/scripts/output_env.sh
index 35452795d..0044a222a 100755
--- a/scripts/output_env.sh
+++ b/scripts/output_env.sh
@@ -2,9 +2,22 @@
 
 # output_env.sh
 #
-# This file is part of mbed TLS (https://tls.mbed.org)
-#
 # Copyright (c) 2016, 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)
 #
 # Purpose
 #
diff --git a/scripts/rename.pl b/scripts/rename.pl
index fb428098c..1e8dbf4f7 100755
--- a/scripts/rename.pl
+++ b/scripts/rename.pl
@@ -1,8 +1,21 @@
 #!/usr/bin/env perl
 #
-# This file is part of mbed TLS (https://tls.mbed.org)
-#
 # Copyright (c) 2015-2016, 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)
 #
 # Purpose
 #
diff --git a/scripts/tmp_ignore_makefiles.sh b/scripts/tmp_ignore_makefiles.sh
index 543e44abc..1a165408e 100755
--- a/scripts/tmp_ignore_makefiles.sh
+++ b/scripts/tmp_ignore_makefiles.sh
@@ -4,6 +4,19 @@
 # git development
 #
 # Copyright (C) 2014, 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)
 
diff --git a/tests/compat.sh b/tests/compat.sh
index 54bc0b7d1..6aa35d21a 100755
--- a/tests/compat.sh
+++ b/tests/compat.sh
@@ -2,9 +2,22 @@
 
 # compat.sh
 #
-# This file is part of mbed TLS (https://tls.mbed.org)
-#
 # Copyright (c) 2012-2016, 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)
 #
 # Purpose
 #
diff --git a/tests/context-info.sh b/tests/context-info.sh
index 78aeb70f7..344dd4ea9 100755
--- a/tests/context-info.sh
+++ b/tests/context-info.sh
@@ -2,9 +2,22 @@
 
 # context-info.sh
 #
-# This file is part of mbed TLS (https://tls.mbed.org)
-#
 # Copyright (c) 2012-2020, 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)
 #
 # This program is intended for testing the ssl_context_info program
 #
diff --git a/tests/data_files/dir-maxpath/long.sh b/tests/data_files/dir-maxpath/long.sh
index 19794980f..60813d823 100755
--- a/tests/data_files/dir-maxpath/long.sh
+++ b/tests/data_files/dir-maxpath/long.sh
@@ -1,6 +1,19 @@
 #!/bin/sh
 #
 # Copyright (C) 2017, 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)
 
diff --git a/tests/data_files/print_c.pl b/tests/data_files/print_c.pl
index af8a2c1b4..4c15be2d3 100755
--- a/tests/data_files/print_c.pl
+++ b/tests/data_files/print_c.pl
@@ -1,6 +1,19 @@
 #!/usr/bin/env perl
 #
 # Copyright (C) 2017, 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)
 
diff --git a/tests/git-scripts/pre-push.sh b/tests/git-scripts/pre-push.sh
index 86edf5a30..d3b462996 100755
--- a/tests/git-scripts/pre-push.sh
+++ b/tests/git-scripts/pre-push.sh
@@ -1,9 +1,22 @@
 #!/bin/sh
 # pre-push.sh
 #
-# This file is part of mbed TLS (https://tls.mbed.org)
-#
 # Copyright (c) 2017, 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)
 #
 # Purpose
 #
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index d911d493a..865c73d42 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -2,9 +2,22 @@
 
 # all.sh
 #
-# This file is part of mbed TLS (https://tls.mbed.org)
-#
 # Copyright (c) 2014-2017, 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)
 
 
 
diff --git a/tests/scripts/basic-build-test.sh b/tests/scripts/basic-build-test.sh
index 0be870587..4fb924784 100755
--- a/tests/scripts/basic-build-test.sh
+++ b/tests/scripts/basic-build-test.sh
@@ -2,9 +2,22 @@
 
 # basic-build-tests.sh
 #
-# This file is part of mbed TLS (https://tls.mbed.org)
-#
 # Copyright (c) 2016, 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)
 #
 # Purpose
 #
diff --git a/tests/scripts/check-doxy-blocks.pl b/tests/scripts/check-doxy-blocks.pl
index 70fab6896..c4746541c 100755
--- a/tests/scripts/check-doxy-blocks.pl
+++ b/tests/scripts/check-doxy-blocks.pl
@@ -9,6 +9,19 @@
 # items that are documented, but not marked as such by mistake.
 #
 # Copyright (C) 2012-2016, 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)
 
diff --git a/tests/scripts/check-files.py b/tests/scripts/check-files.py
index 62b526ab9..1cef2d5f1 100755
--- a/tests/scripts/check-files.py
+++ b/tests/scripts/check-files.py
@@ -1,7 +1,21 @@
 #!/usr/bin/env python3
 
-# This file is part of Mbed TLS (https://tls.mbed.org)
 # 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)
 
 """
 This script checks the current state of the source code for minor issues,
diff --git a/tests/scripts/check-generated-files.sh b/tests/scripts/check-generated-files.sh
index f41e465c3..e39b66182 100755
--- a/tests/scripts/check-generated-files.sh
+++ b/tests/scripts/check-generated-files.sh
@@ -1,8 +1,21 @@
 #! /usr/bin/env sh
 
-# This file is part of mbed TLS (https://tls.mbed.org)
-#
 # 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)
 #
 # Purpose
 #
diff --git a/tests/scripts/check-names.sh b/tests/scripts/check-names.sh
index dc097ee8e..e2019ccad 100755
--- a/tests/scripts/check-names.sh
+++ b/tests/scripts/check-names.sh
@@ -1,8 +1,21 @@
 #!/bin/sh
 #
-# This file is part of mbed TLS (https://tls.mbed.org)
-#
 # Copyright (c) 2015-2019, 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 -eu
 
diff --git a/tests/scripts/check-python-files.sh b/tests/scripts/check-python-files.sh
index cd18518ca..c5597f16e 100755
--- a/tests/scripts/check-python-files.sh
+++ b/tests/scripts/check-python-files.sh
@@ -1,8 +1,21 @@
 #! /usr/bin/env sh
 
-# This file is part of Mbed TLS (https://tls.mbed.org)
-#
 # 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)
 #
 # Purpose:
 #
diff --git a/tests/scripts/curves.pl b/tests/scripts/curves.pl
index 8119a46e6..cd6ea0d9a 100755
--- a/tests/scripts/curves.pl
+++ b/tests/scripts/curves.pl
@@ -3,6 +3,21 @@
 # curves.pl
 #
 # Copyright (c) 2014-2016, 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)
 #
 # Purpose
 #
diff --git a/tests/scripts/depends-hashes.pl b/tests/scripts/depends-hashes.pl
index 898ae497c..08d99ab83 100755
--- a/tests/scripts/depends-hashes.pl
+++ b/tests/scripts/depends-hashes.pl
@@ -3,6 +3,21 @@
 # depends-hashes.pl
 #
 # Copyright (c) 2017, 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)
 #
 # Purpose
 #
diff --git a/tests/scripts/depends-pkalgs.pl b/tests/scripts/depends-pkalgs.pl
index 0cc01f241..1577fee38 100755
--- a/tests/scripts/depends-pkalgs.pl
+++ b/tests/scripts/depends-pkalgs.pl
@@ -3,6 +3,21 @@
 # depends-pkalgs.pl
 #
 # Copyright (c) 2017, 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)
 #
 # Purpose
 #
diff --git a/tests/scripts/doxygen.sh b/tests/scripts/doxygen.sh
index 4fb8b7f1b..ed8a9ef2a 100755
--- a/tests/scripts/doxygen.sh
+++ b/tests/scripts/doxygen.sh
@@ -3,6 +3,19 @@
 # Make sure the doxygen documentation builds without warnings
 #
 # Copyright (C) 2016, 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)
 
diff --git a/tests/scripts/gen_ctr_drbg.pl b/tests/scripts/gen_ctr_drbg.pl
index 624da22e5..715eac358 100755
--- a/tests/scripts/gen_ctr_drbg.pl
+++ b/tests/scripts/gen_ctr_drbg.pl
@@ -5,6 +5,19 @@
 # and concats nonce and personalization for initialization.
 #
 # Copyright (C) 2011, 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)
 
diff --git a/tests/scripts/gen_gcm_decrypt.pl b/tests/scripts/gen_gcm_decrypt.pl
index 1739c9b06..6e4cb1fbb 100755
--- a/tests/scripts/gen_gcm_decrypt.pl
+++ b/tests/scripts/gen_gcm_decrypt.pl
@@ -4,6 +4,19 @@
 # Only first 3 of every set used for compile time saving
 #
 # Copyright (C) 2012-2013, 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)
 
diff --git a/tests/scripts/gen_gcm_encrypt.pl b/tests/scripts/gen_gcm_encrypt.pl
index 602d85aa4..c58f3f1ee 100755
--- a/tests/scripts/gen_gcm_encrypt.pl
+++ b/tests/scripts/gen_gcm_encrypt.pl
@@ -4,6 +4,19 @@
 # Only first 3 of every set used for compile time saving
 #
 # Copyright (C) 2012-2013, 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)
 
diff --git a/tests/scripts/gen_pkcs1_v21_sign_verify.pl b/tests/scripts/gen_pkcs1_v21_sign_verify.pl
index fbdf751a8..bbdeb8bbb 100755
--- a/tests/scripts/gen_pkcs1_v21_sign_verify.pl
+++ b/tests/scripts/gen_pkcs1_v21_sign_verify.pl
@@ -1,6 +1,19 @@
 #!/usr/bin/env perl
 #
 # Copyright (C) 2011-2015, 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)
 
diff --git a/tests/scripts/generate-afl-tests.sh b/tests/scripts/generate-afl-tests.sh
index 6cd3f6140..e3ae01550 100755
--- a/tests/scripts/generate-afl-tests.sh
+++ b/tests/scripts/generate-afl-tests.sh
@@ -9,6 +9,19 @@
 #                          such as 'test_suite_mpi.data'
 #
 # Copyright (C) 2016, 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)
 
diff --git a/tests/scripts/key-exchanges.pl b/tests/scripts/key-exchanges.pl
index 851de1b36..be9567f52 100755
--- a/tests/scripts/key-exchanges.pl
+++ b/tests/scripts/key-exchanges.pl
@@ -3,6 +3,21 @@
 # key-exchanges.pl
 #
 # Copyright (c) 2015-2017, 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)
 #
 # Purpose
 #
diff --git a/tests/scripts/list-enum-consts.pl b/tests/scripts/list-enum-consts.pl
index d60a0fb16..46de3039d 100755
--- a/tests/scripts/list-enum-consts.pl
+++ b/tests/scripts/list-enum-consts.pl
@@ -1,6 +1,19 @@
 #!/usr/bin/env perl
 #
 # Copyright (C) 2015-2019, 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)
 
diff --git a/tests/scripts/list-identifiers.sh b/tests/scripts/list-identifiers.sh
index c48c249cc..128455221 100755
--- a/tests/scripts/list-identifiers.sh
+++ b/tests/scripts/list-identifiers.sh
@@ -7,6 +7,19 @@
 # Usage: list-identifiers.sh [ -i | --internal ]
 #
 # Copyright (C) 2015-2019, 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)
 
diff --git a/tests/scripts/list-macros.sh b/tests/scripts/list-macros.sh
index 17107aaeb..786aef925 100755
--- a/tests/scripts/list-macros.sh
+++ b/tests/scripts/list-macros.sh
@@ -1,6 +1,19 @@
 #!/bin/sh
 #
 # Copyright (C) 2015-2019, 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)
 
diff --git a/tests/scripts/list-symbols.sh b/tests/scripts/list-symbols.sh
index 004912479..f4c20b24c 100755
--- a/tests/scripts/list-symbols.sh
+++ b/tests/scripts/list-symbols.sh
@@ -1,6 +1,19 @@
 #!/bin/sh
 #
 # Copyright (C) 2015-2019, 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)
 
diff --git a/tests/scripts/psa_collect_statuses.py b/tests/scripts/psa_collect_statuses.py
index 78b5c19ac..767323687 100755
--- a/tests/scripts/psa_collect_statuses.py
+++ b/tests/scripts/psa_collect_statuses.py
@@ -13,6 +13,19 @@ only supported with make (as opposed to CMake or other build methods).
 """
 
 # Copyright (C) 2019, 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)
 
diff --git a/tests/scripts/recursion.pl b/tests/scripts/recursion.pl
index c80666ec8..693703132 100755
--- a/tests/scripts/recursion.pl
+++ b/tests/scripts/recursion.pl
@@ -9,6 +9,19 @@
 # Typical usage: scripts/recursion.pl library/*.c
 #
 # Copyright (C) 2014-2015, 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)
 
diff --git a/tests/scripts/run-test-suites.pl b/tests/scripts/run-test-suites.pl
index d06badd23..45823c0a0 100755
--- a/tests/scripts/run-test-suites.pl
+++ b/tests/scripts/run-test-suites.pl
@@ -2,9 +2,22 @@
 
 # run-test-suites.pl
 #
-# This file is part of mbed TLS (https://tls.mbed.org)
-#
 # Copyright (c) 2015-2018, 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)
 
 =head1 SYNOPSIS
 
diff --git a/tests/scripts/tcp_client.pl b/tests/scripts/tcp_client.pl
index eb531a585..6e576d63f 100755
--- a/tests/scripts/tcp_client.pl
+++ b/tests/scripts/tcp_client.pl
@@ -6,6 +6,19 @@
 #   RESPONSE: regexp that must match the server's response
 #
 # Copyright (C) 2017, 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)
 
diff --git a/tests/scripts/test-ref-configs.pl b/tests/scripts/test-ref-configs.pl
index e33aca7dd..0e36dd617 100755
--- a/tests/scripts/test-ref-configs.pl
+++ b/tests/scripts/test-ref-configs.pl
@@ -2,9 +2,22 @@
 
 # test-ref-configs.pl
 #
-# This file is part of mbed TLS (https://tls.mbed.org)
-#
 # Copyright (c) 2013-2016, 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)
 #
 # Purpose
 #
diff --git a/tests/scripts/test_psa_constant_names.py b/tests/scripts/test_psa_constant_names.py
index 4497dad57..2d6e3826e 100755
--- a/tests/scripts/test_psa_constant_names.py
+++ b/tests/scripts/test_psa_constant_names.py
@@ -8,6 +8,19 @@ or 1 (with a Python backtrace) if there was an operational error.
 """
 
 # Copyright (C) 2018-2020, 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)
 
diff --git a/tests/scripts/test_zeroize.gdb b/tests/scripts/test_zeroize.gdb
index 8164acb9b..43fde759c 100644
--- a/tests/scripts/test_zeroize.gdb
+++ b/tests/scripts/test_zeroize.gdb
@@ -1,8 +1,21 @@
 # test_zeroize.gdb
 #
-# This file is part of Mbed TLS (https://tls.mbed.org)
-#
 # 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)
 #
 # Purpose
 #
diff --git a/tests/scripts/travis-log-failure.sh b/tests/scripts/travis-log-failure.sh
index 9866ca7da..c6de12ca9 100755
--- a/tests/scripts/travis-log-failure.sh
+++ b/tests/scripts/travis-log-failure.sh
@@ -2,9 +2,22 @@
 
 # travis-log-failure.sh
 #
-# This file is part of mbed TLS (https://tls.mbed.org)
-#
 # Copyright (c) 2016, 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)
 #
 # Purpose
 #
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index df3f53b3b..74e2056f0 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -2,9 +2,22 @@
 
 # ssl-opt.sh
 #
-# This file is part of mbed TLS (https://tls.mbed.org)
-#
 # Copyright (c) 2016, 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)
 #
 # Purpose
 #