file-encrypt is simple file command line tool that can:
- encrypt a single file with given password
- decrypt a previously encrypted file.
- setup openssl libraries.
brew install opensslbrew install openssl-dev - Build the executable with
make
Encrypt a file:
./file-crypt ENCRYPT test.txt test.enc
Decrypt file:
./file-crypt DECRYPT test.enc decrypted.txt
- Use getopt(3) to improve cmdline options to be like ./file-crypt -e ./file-crypt -d
- Use exit codes to specify status of operation such as
- 0 for success
- 1 for failure like mismatch password
- 2 inputfile not found or is not encrypted file.
- 3 for failure to create/write outputfile
- Create testassets directory and move test.c into it.
- Add more test cases for things like
- missing files
- bad files
- inaccessible file
- zero size file
- empty password
- case-sensitive check for passwords.
- Add repeatability tests to make sure sameinput and same password generates same encrypted file.
- Add performance tests
- encrypt a fixed size file multiple (100) times. Measure time, memory usage.
- decrypt a fixed size file multiple (100) times. Measure time, memory usage.
- start with small file and keep doubling size and measure time taken for encrypt/decrypt operations