Add everything this project ever needed
- Encryption with ECB, CBC, CFB, CTR - Image data encryptionmain
commit
269e1e8019
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"libc",
|
||||
"winapi",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "sha2"
|
||||
version = "0.9.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2933378ddfeda7ea26f48c555bdad8bb446bf8a3d17832dc83e380d444cfb8c1"
|
||||
dependencies = [
|
||||
"block-buffer",
|
||||
"cfg-if",
|
||||
"cpuid-bool",
|
||||
"digest",
|
||||
"opaque-debug 0.3.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "stream-cipher"
|
||||
version = "0.4.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "09f8ed9974042b8c3672ff3030a69fcc03b74c47c3d1ecb7755e8a3626011e88"
|
||||
dependencies = [
|
||||
"block-cipher",
|
||||
"generic-array",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "strsim"
|
||||
version = "0.8.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
|
||||
|
||||
[[package]]
|
||||
name = "structopt"
|
||||
version = "0.3.15"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "de2f5e239ee807089b62adce73e48c625e0ed80df02c7ab3f068f5db5281065c"
|
||||
dependencies = [
|
||||
"clap",
|
||||
"lazy_static",
|
||||
"structopt-derive",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "structopt-derive"
|
||||
version = "0.4.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "510413f9de616762a4fbeab62509bf15c729603b72d7cd71280fbca431b1c118"
|
||||
dependencies = [
|
||||
"heck",
|
||||
"proc-macro-error",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "1.0.33"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e8d5d96e8cbb005d6959f119f773bfaebb5684296108fb32600c00cde305b2cd"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-xid",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "syn-mid"
|
||||
version = "0.5.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7be3539f6c128a931cf19dcee741c1af532c7fd387baa739c03dd2e96479338a"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "textwrap"
|
||||
version = "0.11.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
|
||||
dependencies = [
|
||||
"unicode-width",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "typenum"
|
||||
version = "1.12.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-segmentation"
|
||||
version = "1.6.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-width"
|
||||
version = "0.1.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "caaa9d531767d1ff2150b9332433f32a24622147e5ebb1f26409d5da67afd479"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-xid"
|
||||
version = "0.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
|
||||
|
||||
[[package]]
|
||||
name = "vec_map"
|
||||
version = "0.8.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
|
||||
|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.9.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
|
||||
|
||||
[[package]]
|
||||
name = "wasi"
|
||||
version = "0.9.0+wasi-snapshot-preview1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
|
||||
dependencies = [
|
||||
"winapi-i686-pc-windows-gnu",
|
||||
"winapi-x86_64-pc-windows-gnu",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-i686-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-x86_64-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
@ -0,0 +1,18 @@
|
||||
[package]
|
||||
name = "cipher-mode-demonstration"
|
||||
version = "0.1.0"
|
||||
authors = ["Trivernis <trivernis@protonmail.com>"]
|
||||
edition = "2018"
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
structopt = "0.3.15"
|
||||
aes = "0.4.0"
|
||||
block-modes = "0.4.0"
|
||||
rpassword = "4.0.5"
|
||||
sha2 = "0.9.1"
|
||||
rand = "0.7.3"
|
||||
bmp = "0.5.0"
|
||||
png = "0.16.5"
|
||||
ctr = "0.4.0"
|
||||
@ -0,0 +1,39 @@
|
||||
# Cipher Mode Demonstration
|
||||
|
||||
This project is a demonstration of how different cipher modes work.
|
||||
You can either encrypt a file completely or pass the `--image` flag
|
||||
to encrypt the image data inside a png file (for fancy demonstration).
|
||||
|
||||
Warning: The goal of this project is not to provide a way to encrypt
|
||||
or decrypt files. The chosen key-derive algorithm (sha128) and block size is not secure
|
||||
enough and with the initialization vector not being stored (full) decryption
|
||||
is not possible (in a decent amount of time).
|
||||
|
||||
## Installation
|
||||
|
||||
```sh
|
||||
git clone https://github.com/parallel-programming-hwr/cipher-mode-demonstration
|
||||
cd cipher-mode-demonstration
|
||||
cargo run --release -- <args>
|
||||
```
|
||||
|
||||
## Usage
|
||||
|
||||
```
|
||||
cipher-mode-demonstration 0.1.0
|
||||
|
||||
USAGE:
|
||||
cipher-mode-demonstration [FLAGS] [OPTIONS] <input> <output>
|
||||
|
||||
FLAGS:
|
||||
-h, --help Prints help information
|
||||
-i, --image If the output should be an image
|
||||
-V, --version Prints version information
|
||||
|
||||
OPTIONS:
|
||||
-m, --mode <mode> The mode of operation that is being used One of ECB, CBC, CFB, CTR [default: CFB]
|
||||
|
||||
ARGS:
|
||||
<input> Input file for the plain text
|
||||
<output> Output file for the ciphertext
|
||||
```
|
||||
@ -0,0 +1,116 @@
|
||||
use structopt::StructOpt;
|
||||
use std::path::PathBuf;
|
||||
use block_modes::{BlockMode, Ecb, Cbc, Cfb};
|
||||
use ctr::Ctr128;
|
||||
use aes::Aes128;
|
||||
use block_modes::block_padding::ZeroPadding;
|
||||
use rpassword::read_password_from_tty;
|
||||
use sha2::{Sha256, Digest};
|
||||
use rand::Rng;
|
||||
use std::fs::{read, File};
|
||||
use std::io::{BufWriter, Write};
|
||||
use ctr::stream_cipher::{
|
||||
NewStreamCipher, SyncStreamCipher
|
||||
};
|
||||
|
||||
use ctr::stream_cipher::generic_array::GenericArray;
|
||||
|
||||
type Aes128Ecb = Ecb<Aes128, ZeroPadding>;
|
||||
type Aes128Cbc = Cbc<Aes128, ZeroPadding>;
|
||||
type Aes128Cfb = Cfb<Aes128, ZeroPadding>;
|
||||
type Aes128Ctr = Ctr128<Aes128>;
|
||||
|
||||
|
||||
#[derive(StructOpt, Debug)]
|
||||
struct Opt {
|
||||
/// Input file for the plain text
|
||||
#[structopt(parse(from_os_str))]
|
||||
input: PathBuf,
|
||||
|
||||
/// Output file for the ciphertext
|
||||
#[structopt(parse(from_os_str))]
|
||||
output: PathBuf,
|
||||
|
||||
/// The mode of operation that is being used
|
||||
/// One of ECB, CBC, CFB, CTR
|
||||
#[structopt(short, long, default_value = "CFB")]
|
||||
mode: String,
|
||||
|
||||
/// If the output should be an image
|
||||
#[structopt(short, long)]
|
||||
image: bool,
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let opt: Opt = Opt::from_args();
|
||||
let mut writer = BufWriter::new(File::create(&opt.output).unwrap());
|
||||
if opt.image {
|
||||
let decoder = png::Decoder::new(File::open(opt.input).unwrap());
|
||||
let (info, mut reader) = decoder.read_info().unwrap();
|
||||
let mut img_buffer = vec![0; info.buffer_size()];
|
||||
reader.next_frame(&mut img_buffer).unwrap();
|
||||
let cipher = encrypt(&img_buffer, opt.mode);
|
||||
let mut encoder = png::Encoder::new(writer, info.width, info.height);
|
||||
encoder.set_color(info.color_type);
|
||||
encoder.set_depth(info.bit_depth);
|
||||
let mut writer = encoder.write_header().unwrap();
|
||||
writer.write_image_data(&cipher[..img_buffer.len()]).unwrap();
|
||||
} else {
|
||||
let contents = read(&opt.input).unwrap();
|
||||
let cipher = encrypt(&contents, opt.mode);
|
||||
println!("{:?}", cipher);
|
||||
writer.write_all(&cipher).unwrap();
|
||||
writer.flush().unwrap();
|
||||
}
|
||||
}
|
||||
|
||||
fn encrypt(data: &[u8], mode: String) -> Vec<u8> {
|
||||
let key = get_key();
|
||||
match mode.as_str() {
|
||||
"ECB" => encrypt_ecb(data, &key),
|
||||
"CBC" => encrypt_cbc(data, &key),
|
||||
"CFB" => encrypt_cfb(data, &key),
|
||||
"CTR" => encrypt_ctr(data, &key),
|
||||
_ => panic!("Unknown Mode")
|
||||
}
|
||||
}
|
||||
|
||||
fn encrypt_ecb(data: &[u8], key: &[u8]) -> Vec<u8> {
|
||||
let iv = rand::thread_rng().gen::<[u8; 16]>();
|
||||
let cipher = Aes128Ecb::new_var(&key, &iv).unwrap();
|
||||
|
||||
cipher.encrypt_vec(data)
|
||||
}
|
||||
|
||||
fn encrypt_cbc(data: &[u8], key: &[u8]) -> Vec<u8> {
|
||||
let iv = rand::thread_rng().gen::<[u8; 16]>();
|
||||
let cipher = Aes128Cbc::new_var(&key, &iv).unwrap();
|
||||
|
||||
cipher.encrypt_vec(data)
|
||||
}
|
||||
|
||||
fn encrypt_cfb(data: &[u8], key: &[u8]) -> Vec<u8> {
|
||||
let iv = rand::thread_rng().gen::<[u8; 16]>();
|
||||
let cipher = Aes128Cfb::new_var(&key, &iv).unwrap();
|
||||
|
||||
cipher.encrypt_vec(data)
|
||||
}
|
||||
|
||||
fn encrypt_ctr(data: &[u8], key: &[u8]) -> Vec<u8> {
|
||||
let mut hasher = Sha256::default();
|
||||
hasher.update( key);
|
||||
let nonce = hasher.finalize()[0..16].to_vec();
|
||||
let mut cipher = Aes128Ctr::new(GenericArray::from_slice(&key), GenericArray::from_slice(&nonce));
|
||||
let mut data = data.to_vec();
|
||||
cipher.apply_keystream(&mut data);
|
||||
|
||||
data.to_vec()
|
||||
}
|
||||
|
||||
fn get_key() -> Vec<u8> {
|
||||
let pw = read_password_from_tty(Some("Password: ")).unwrap();
|
||||
let mut hasher = Sha256::default();
|
||||
hasher.update(pw.as_bytes());
|
||||
|
||||
hasher.finalize()[0..16].to_vec()
|
||||
}
|
||||
Loading…
Reference in New Issue