scrypt/tests/02-decrypt-reference-file.sh

#!/bin/sh

### Constants
c_valgrind_min=1
reference_file="${scriptdir}/verify-strings/test_scrypt.good"
encrypted_reference_file="${scriptdir}/verify-strings/test_scrypt_good.enc"
decrypted_reference_file="${s_basename}-attempt_reference.txt"
decrypted_reference_file_stderr="${s_basename}-attempt_reference.stderr"
decrypted_badpass_file="${s_basename}-decrypt-badpass.txt"
decrypted_badpass_log="${s_basename}-decrypt-badpass.log"

scenario_cmd() {
	# Decrypt a reference file.
	setup_check "scrypt dec"
	(
		echo "${password}" | ${c_valgrind_cmd} "${bindir}/scrypt" \
		    dec -P "${encrypted_reference_file}"		\
		    "${decrypted_reference_file}"			\
		    2> "${decrypted_reference_file_stderr}"
		echo $? > "${c_exitfile}"
	)

	# The decrypted reference file should match the reference.
	setup_check "scrypt dec output against reference"
	cmp -s "${decrypted_reference_file}" "${reference_file}"
	echo $? > "${c_exitfile}"

	# We should not have any output on stderr.
	setup_check "scrypt dec no stderr"
	test -s "${decrypted_reference_file_stderr}"
	expected_exitcode 1 $? > "${c_exitfile}"

	# Attempt to decrypt the reference file with an incorrect passphrase.
	# We want this command to fail with 1.
	setup_check "scrypt dec bad passphrase"
	(
		echo "bad-pass" | ${c_valgrind_cmd} "${bindir}/scrypt"	\
		    dec -P "${encrypted_reference_file}"		\
		    "${decrypted_badpass_file}"				\
		    2> "${decrypted_badpass_log}"
		expected_exitcode 1 $? > "${c_exitfile}"
	)

	# We should have received an error message.
	setup_check "scrypt dec bad passphrase error"
	if grep -q "scrypt: Passphrase is incorrect" \
	    "${decrypted_badpass_log}"; then
		echo "0"
	else
		echo "1"
	fi > "${c_exitfile}"

	# We should not have created a file.
	setup_check "scrypt dec bad passphrase no file"
	if [ -e "${decrypted_badpass_file}" ]; then
		echo "1"
	else
		echo "0"
	fi > "${c_exitfile}"
}