| #!/bin/bash |
| # Copyright 2021 Google LLC |
| # |
| # 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. |
| ################################################################################ |
| |
| set -euo pipefail |
| |
| ############################################################################# |
| ##### Tests for hybrid encryption example. |
| |
| HYBRID_CLI="$1" |
| PUBLIC_KEYSET_FILE="$2" |
| PRIVATE_KEYSET_FILE="$3" |
| |
| INPUT_FILE="${TEST_TMPDIR}/example_data.txt" |
| |
| echo "This is some message to be encrypted." > ${INPUT_FILE} |
| |
| ############################################################################# |
| |
| # A helper function for getting the return code of a command that may fail |
| # Temporarily disables error safety and stores return value in $TEST_STATUS |
| # Usage: |
| # % test_command somecommand some args |
| # % echo $TEST_STATUS |
| test_command() { |
| set +e |
| "$@" |
| TEST_STATUS=$? |
| set -e |
| } |
| |
| ############################################################################# |
| #### Test correct encryption and decryption. |
| test_name="test_encrypt_decrypt_succeeds" |
| echo "+++ Starting test ${test_name}..." |
| |
| ##### Run encryption |
| test_command ${HYBRID_CLI} encrypt ${PUBLIC_KEYSET_FILE} ${INPUT_FILE} ${INPUT_FILE}.ciphertext |
| if [[ ${TEST_STATUS} -eq 0 ]]; then |
| echo "+++ Encryption successful." |
| else |
| echo "--- Encryption failed." |
| exit 1 |
| fi |
| |
| ##### Run decryption |
| test_command ${HYBRID_CLI} decrypt ${PRIVATE_KEYSET_FILE} ${INPUT_FILE}.ciphertext ${INPUT_FILE}.plaintext |
| if [[ ${TEST_STATUS} -eq 0 ]]; then |
| echo "+++ Decryption successful." |
| else |
| echo "--- Decryption failed." |
| exit 1 |
| fi |
| |
| cmp --silent ${INPUT_FILE} ${INPUT_FILE}.plaintext |
| |
| |
| ############################################################################# |
| #### Test correct encryption and decryption with context |
| test_name="test_encrypt_decrypt_succeeds_with_context" |
| echo "+++ Starting test ${test_name}..." |
| |
| ##### Run encryption |
| CONTEXT_INFORMATION="context information" |
| test_command ${HYBRID_CLI} encrypt ${PUBLIC_KEYSET_FILE} ${INPUT_FILE} ${INPUT_FILE}.ciphertext "${CONTEXT_INFORMATION}" |
| if [[ ${TEST_STATUS} -eq 0 ]]; then |
| echo "+++ Encryption successful." |
| else |
| echo "--- Encryption failed." |
| exit 1 |
| fi |
| |
| ##### Run decryption |
| test_command ${HYBRID_CLI} decrypt ${PRIVATE_KEYSET_FILE} ${INPUT_FILE}.ciphertext ${INPUT_FILE}.plaintext "${CONTEXT_INFORMATION}" |
| if [[ ${TEST_STATUS} -eq 0 ]]; then |
| echo "+++ Decryption successful." |
| else |
| echo "--- Decryption failed." |
| exit 1 |
| fi |
| |
| cmp --silent ${INPUT_FILE} ${INPUT_FILE}.plaintext |
| |
| ############################################################################# |
| #### Test decryption fails with missing context |
| test_name="test_encrypt_decrypt_fails_with_context" |
| echo "+++ Starting test ${test_name}..." |
| |
| ##### Run encryption |
| CONTEXT_INFORMATION="context information" |
| test_command ${HYBRID_CLI} encrypt ${PUBLIC_KEYSET_FILE} ${INPUT_FILE} ${INPUT_FILE}.ciphertext "${CONTEXT_INFORMATION}" |
| if [[ ${TEST_STATUS} -eq 0 ]]; then |
| echo "+++ Encryption successful." |
| else |
| echo "--- Encryption failed." |
| exit 1 |
| fi |
| |
| ##### Run decryption |
| test_command ${HYBRID_CLI} decrypt ${PRIVATE_KEYSET_FILE} ${INPUT_FILE}.ciphertext ${INPUT_FILE}.plaintext |
| if [[ ${TEST_STATUS} -eq 1 ]]; then |
| echo "+++ Decryption failed as expected." |
| else |
| echo "--- Decryption succeeded but expected to fail." |
| exit 1 |
| fi |
| |
| ############################################################################# |
| #### Test enryption fails with wrong keyset |
| test_name="test_encrypt_fails_with_wrong_keyset" |
| echo "+++ Starting test ${test_name}..." |
| |
| ##### Run encryption |
| test_command ${HYBRID_CLI} encrypt ${PRIVATE_KEYSET_FILE} ${INPUT_FILE} ${INPUT_FILE}.ciphertext |
| if [[ ${TEST_STATUS} -eq 1 ]]; then |
| echo "+++ Encryption failed as expected." |
| else |
| echo "--- Encryption succeeded but expected to fail." |
| exit 1 |
| fi |