update to 0.2.2
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This commit is contained in:
shimun 2020-01-10 21:44:33 +01:00
commit 659fafdfb4
Signed by: shimun
GPG Key ID: E81D8382DC2F971B
7 changed files with 93 additions and 28 deletions

34
Cargo.lock generated
View File

@ -115,15 +115,25 @@ dependencies = [
"uuid 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "csv-core"
version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "ctap_hmac"
version = "0.1.1"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
"cbor-codec 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
"csv-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
"failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
"failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
"hex 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
"num-derive 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
"num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
"rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
@ -173,10 +183,10 @@ dependencies = [
[[package]]
name = "fido2luks"
version = "0.2.1"
version = "0.2.2"
dependencies = [
"cryptsetup-rs 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
"ctap_hmac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
"ctap_hmac 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
"failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
"hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
"libcryptsetup-sys 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@ -208,6 +218,11 @@ name = "hex"
version = "0.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "hex"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "lazy_static"
version = "1.4.0"
@ -235,6 +250,14 @@ dependencies = [
"cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "memchr"
version = "2.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "num-derive"
version = "0.2.5"
@ -619,7 +642,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5067f5bb2d80ef5d68b4c87db81601f0b75bca627bc2ef76b141d7b846a3c6d9"
"checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
"checksum cryptsetup-rs 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8b1eb6abff80fdc7b52c37b3e58f5a4cbda78bffc01ac7b02c1296552a07028a"
"checksum ctap_hmac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4f91b9400ac9c99e3280065f5bfd6eb7f0a9bb737a7fd166fda4153338e115e3"
"checksum csv-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "9b5cadb6b25c77aeff80ba701712494213f4a8418fcda2ee11b6560c3ad0bf4c"
"checksum ctap_hmac 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4d57004228e303ed0d161f081020240d969ce18b623c3f4503645e1a06b42ae7"
"checksum errno 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "c2a071601ed01b988f896ab14b95e67335d1eeb50190932a1320f7fe3cadc84e"
"checksum errno-dragonfly 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "14ca354e36190500e1e1fb267c647932382b54053c50b14970856c0b00a35067"
"checksum failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "795bd83d3abeb9220f257e597aa0080a508b27533824adf336529648f6abf7e2"
@ -628,10 +652,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum gcc 0.3.55 (registry+https://github.com/rust-lang/crates.io-index)" = "8f5f3913fa0bfe7ee1fd8248b6b9f42a5af4b9d65ec2dd2c3c26132b950ecfc2"
"checksum heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
"checksum hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "805026a5d0141ffc30abb3be3173848ad46a1b1664fe632428479619a3644d77"
"checksum hex 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "023b39be39e3a2da62a94feb433e91e8bcd37676fbc8bea371daf52b7a769a3e"
"checksum lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
"checksum libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)" = "34fcd2c08d2f832f376f4173a231990fa5aef4e99fb569867318a227ef4c06ba"
"checksum libcryptsetup-sys 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f8cab37dfc7316ea263a42ffa51b4b75c9022538576350d7a416de697384f596"
"checksum log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
"checksum memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "88579771288728879b57485cc7d6b07d648c9f0141eb955f8ab7f9d45394468e"
"checksum num-derive 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "eafd0b45c5537c3ba526f79d3e75120036502bebacbb3f3220914067ce39dbf2"
"checksum num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "6ba9a427cfca2be13aa6f6403b0b7e7368fe982bfa16fccc450ce74c46cd9b32"
"checksum pkg-config 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)" = "72d5370d90f49f70bd033c3d75e87fc529fbfff9d6f7cccef07d6170079d91ea"

View File

@ -1,6 +1,6 @@
[package]
name = "fido2luks"
version = "0.2.1"
version = "0.2.2"
authors = ["shimunn <shimun@shimun.net>"]
edition = "2018"
@ -15,7 +15,7 @@ license-file = "LICENSE"
[dependencies]
#ctap = "0.1.0"
ctap_hmac = "0.1.1"
ctap_hmac = "0.2.1"
cryptsetup-rs = "0.2.1"
libcryptsetup-sys = "0.1.2"

View File

@ -2,7 +2,7 @@
This will allow you to unlock your luks encrypted disk with an fido2 compatible key
Note: This has only been tested under Fedora 30 using a Solo Key
Note: This has only been tested under Fedora 31 using a Solo Key, Trezor Model T
## Setup

View File

@ -70,10 +70,6 @@ pub fn add_password_to_luks(
Ok(slot)
}
pub fn authenticator_connected() -> Fido2LuksResult<bool> {
Ok(!device::get_devices()?.is_empty())
}
#[derive(Debug, StructOpt)]
pub struct Args {
/// Request passwords via Stdin instead of using the password helper
@ -181,7 +177,11 @@ pub enum Command {
},
/// Generate a new FIDO credential
#[structopt(name = "credential")]
Credential,
Credential {
/// Name to be displayed on the authenticator if it has a display
#[structopt(env = "FIDO2LUKS_CREDENTIAL_NAME")]
name: Option<String>,
},
/// Check if an authenticator is connected
#[structopt(name = "connected")]
Connected,
@ -195,8 +195,8 @@ pub fn run_cli() -> Fido2LuksResult<()> {
let mut stdout = io::stdout();
let args = parse_cmdline();
match &args.command {
Command::Credential => {
let cred = make_credential_id()?;
Command::Credential { name } => {
let cred = make_credential_id(name.as_ref().map(|n| n.as_ref()))?;
println!("{}", hex::encode(&cred.id));
Ok(())
}

View File

@ -1,19 +1,53 @@
use crate::error::*;
use crate::util::sha256;
use ctap::{
self,
extensions::hmac::{FidoHmacCredential, HmacExtension},
FidoDevice, FidoError, FidoErrorKind,
AuthenticatorOptions, FidoDevice, FidoError, FidoErrorKind, PublicKeyCredentialRpEntity,
PublicKeyCredentialUserEntity,
};
pub fn make_credential_id() -> Fido2LuksResult<FidoHmacCredential> {
const RP_ID: &'static str = "fido2luks";
fn authenticator_options() -> Option<AuthenticatorOptions> {
Some(AuthenticatorOptions {
uv: false, //TODO: should get this from config
rk: true,
})
}
fn authenticator_rp() -> PublicKeyCredentialRpEntity<'static> {
PublicKeyCredentialRpEntity {
id: RP_ID,
name: None,
icon: None,
}
}
fn authenticator_user(name: Option<&str>) -> PublicKeyCredentialUserEntity {
PublicKeyCredentialUserEntity {
id: &[0u8],
name: name.unwrap_or(""),
icon: None,
display_name: name,
}
}
pub fn make_credential_id(name: Option<&str>) -> Fido2LuksResult<FidoHmacCredential> {
let mut errs = Vec::new();
match get_devices()? {
ref devs if devs.is_empty() => Err(Fido2LuksError::NoAuthenticatorError)?,
devs => {
for mut dev in devs.into_iter() {
match dev
.make_credential("fido2luks", &[0u8], "", &[0u8; 32])
.make_hmac_credential_full(
authenticator_rp(),
authenticator_user(name),
&[0u8; 32],
&[],
authenticator_options(),
)
.map(|cred| cred.into())
{
//TODO: make credentials device specific
@ -33,16 +67,16 @@ pub fn make_credential_id() -> Fido2LuksResult<FidoHmacCredential> {
pub fn perform_challenge(credential_id: &str, salt: &[u8; 32]) -> Fido2LuksResult<[u8; 32]> {
let cred = FidoHmacCredential {
id: hex::decode(credential_id).unwrap(),
rp_id: "fido2luks".to_string(),
rp_id: RP_ID.to_string(),
};
let mut errs = Vec::new();
match get_devices()? {
ref devs if devs.is_empty() => Err(Fido2LuksError::NoAuthenticatorError)?,
devs => {
for mut dev in devs.into_iter() {
match dev.hmac_challange(&cred, &salt[..]) {
match dev.get_hmac_assertion(&cred, &sha256(&[&salt[..]]), None, None) {
Ok(secret) => {
return Ok(secret);
return Ok(secret.0);
}
Err(e) => {
errs.push(e);

View File

@ -7,9 +7,8 @@ use crate::device::*;
use crate::error::*;
use cryptsetup_rs as luks;
use cryptsetup_rs::Luks1CryptDevice;
use ring::digest;
use std::io::{self};
use std::io;
use std::path::PathBuf;
use std::process::exit;
@ -26,12 +25,7 @@ fn open_container(device: &PathBuf, name: &str, secret: &[u8; 32]) -> Fido2LuksR
}
fn assemble_secret(hmac_result: &[u8], salt: &[u8]) -> [u8; 32] {
let mut digest = digest::Context::new(&digest::SHA256);
digest.update(salt);
digest.update(hmac_result);
let mut secret = [0u8; 32];
secret.as_mut().copy_from_slice(digest.finish().as_ref());
secret
util::sha256(&[salt, hmac_result])
}
fn main() -> Fido2LuksResult<()> {

View File

@ -1,8 +1,19 @@
use crate::error::*;
use ring::digest;
use std::fs::File;
use std::io::Read;
use std::path::PathBuf;
pub fn sha256<'a>(messages: &[&[u8]]) -> [u8; 32] {
let mut digest = digest::Context::new(&digest::SHA256);
for m in messages.iter() {
digest.update(m);
}
let mut secret = [0u8; 32];
secret.as_mut().copy_from_slice(digest.finish().as_ref());
secret
}
pub fn read_password(q: &str, verify: bool) -> Fido2LuksResult<String> {
match rpassword::read_password_from_tty(Some(&[q, ": "].join("")))? {
ref pass