ccrypt uses a single iteration of a hash function to derive the encryption key from your passphrase, which provides very weak protection against exhaustive sear

ccrypt uses a single iteration of a hash function to derive the encryption key from your passphrase, which provides very weak protection against exhaustive searches for your passphrase. For encrypting a single file with a passphrase, I just use GPG: `gpg -c` to encrypt, and `gpg -d` to decrypt.