chore: update x-wing to 0.1.0-pre.2 and refactor code

This commit is contained in:
2025-11-14 12:48:44 +01:00
parent a8eaf3be50
commit dbe4901906
4 changed files with 316 additions and 302 deletions

520
Cargo.lock generated

File diff suppressed because it is too large Load Diff

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@@ -16,6 +16,5 @@ age-core = "0.11.0"
age-plugin = "0.6.0"
base64 = "0.22.1"
clap = { version = "4.5.1", features = ["derive"] }
x-wing = { version = "0.0.1-pre.1", features = ["getrandom", "zeroize"] }
rand_core = "0.6.4"
kem = "0.3.0-pre.0"
x-wing = { version = "0.1.0-pre.2", features = ["os_rng", "zeroize"] }
rand_core = "0.9.3"

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@@ -41,6 +41,6 @@ echo 'It works!' | age -e -r age1xwing1jfdy5fhryzmfg6y89dka6xr2wup9favgprpq0x542
Decryption:
```sh
$ age -d -i x_wing_key.txt secret.enc
$ age -d -i age_x_wing.key secret.enc
It works!
```

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@@ -13,7 +13,6 @@ use age_plugin::{
};
use base64::prelude::*;
use clap::Parser;
use kem::{Decapsulate, Encapsulate};
use rand_core::OsRng;
use std::{
array::TryFromSliceError,
@@ -21,8 +20,8 @@ use std::{
io,
};
use x_wing::{
Ciphertext, DecapsulationKey, EncapsulationKey, CIPHERTEXT_SIZE, DECAPSULATION_KEY_SIZE,
ENCAPSULATION_KEY_SIZE,
Ciphertext, Decapsulate, DecapsulationKey, Encapsulate, EncapsulationKey, CIPHERTEXT_SIZE,
DECAPSULATION_KEY_SIZE, ENCAPSULATION_KEY_SIZE,
};
const PLUGIN_NAME: &str = "xwing";
@@ -52,11 +51,13 @@ impl RecipientPlugin {
self.recipients
.iter()
.map(|recipient| {
let (ct, ss) = recipient.encapsulate(&mut OsRng).unwrap();
let (ct, ss) = recipient
.encapsulate(&mut OsRng)
.expect("X-Wing encapsulation should not fail with a valid RNG");
let wrapped_key = aead_encrypt(&ss, file_key.expose_secret());
Stanza {
tag: PLUGIN_NAME.to_string(),
args: vec![BASE64_STANDARD_NO_PAD.encode(ct.as_bytes())],
args: vec![BASE64_STANDARD_NO_PAD.encode(ct.to_bytes())],
body: wrapped_key,
}
})
@@ -74,20 +75,18 @@ impl RecipientPluginV1 for RecipientPlugin {
if plugin_name != PLUGIN_NAME {
return Err(recipient::Error::Recipient {
index,
message: "This recipient should not be handeled by this plugin".to_string(),
message: "This recipient should not be handled by this plugin".to_string(),
});
}
let pk: Result<&[u8; ENCAPSULATION_KEY_SIZE], TryFromSliceError> = bytes.try_into();
let pk = match pk {
Ok(x) => EncapsulationKey::from(x),
Err(_) => {
return Err(recipient::Error::Recipient {
index,
message: "Invalid recipient".to_string(),
})
}
};
Ok(x) => Ok(EncapsulationKey::from(x)),
Err(_) => Err(recipient::Error::Recipient {
index,
message: "Invalid recipient".to_string(),
}),
}?;
self.recipients.push(pk);
@@ -103,20 +102,16 @@ impl RecipientPluginV1 for RecipientPlugin {
if plugin_name != PLUGIN_NAME {
return Err(recipient::Error::Identity {
index,
message: "This Identity should not be handeled by this plugin".to_owned(),
message: "This Identity should not be handled by this plugin".to_owned(),
});
}
let sk: Result<&[u8; DECAPSULATION_KEY_SIZE], TryFromSliceError> = bytes.try_into();
let sk = match sk {
Ok(x) => DecapsulationKey::from(x.to_owned()),
Err(_) => {
return Err(recipient::Error::Identity {
index,
message: "Invalid identity".to_string(),
})
}
};
let sk: [u8; DECAPSULATION_KEY_SIZE] =
bytes.try_into().map_err(|_| recipient::Error::Identity {
index,
message: "Invalid identity".to_string(),
})?;
let sk = DecapsulationKey::from(sk);
self.recipients.push(sk.encapsulation_key());
@@ -145,10 +140,10 @@ struct IdentityPlugin {
}
impl IdentityPlugin {
fn decrypt_stanzas(
fn decrypt_stanzas<I: Iterator<Item = (usize, Stanza)>>(
&self,
file_index: usize,
stanzas: Vec<(usize, Stanza)>,
stanzas: I,
) -> Result<FileKey, Vec<identity::Error>> {
let mut file_key = None;
let mut errors = Vec::new();
@@ -216,12 +211,19 @@ impl IdentityPlugin {
};
let unwrapped_file_key = match aead_decrypt(&ss, FILE_KEY_BYTES, &stanza.body) {
Ok(file_key) => FileKey::new(Box::new(file_key.try_into().unwrap_or_else(|_| {
panic!(
"aead_decrypt returned a plaintext with a different size as {}",
FILE_KEY_BYTES
)
}))),
Ok(file_key) => match file_key.try_into() {
Ok(key_bytes) => FileKey::new(Box::new(key_bytes)),
Err(_) => {
errors.push(identity::Error::Stanza {
file_index,
stanza_index,
message: format!(
"aead_decrypt returned a plaintext with a different size than {FILE_KEY_BYTES}"
),
});
continue;
}
},
Err(e) => {
errors.push(identity::Error::Stanza {
file_index,
@@ -246,7 +248,7 @@ impl IdentityPlugin {
Err(vec![identity::Error::Stanza {
file_index,
stanza_index: 0,
message: "No stanzas found to be handeled by this plugin".to_string(),
message: "No stanzas found to be handled by this plugin".to_string(),
}])
}
}
@@ -261,19 +263,15 @@ impl IdentityPluginV1 for IdentityPlugin {
if plugin_name != PLUGIN_NAME {
return Err(identity::Error::Identity {
index,
message: "This Identity should not be handeled by this plugin".to_string(),
message: "This Identity should not be handled by this plugin".to_string(),
});
}
let bytes: [u8; DECAPSULATION_KEY_SIZE] = match bytes.try_into() {
Ok(x) => x,
Err(_) => {
return Err(identity::Error::Identity {
index,
message: "Invalid identity".to_string(),
})
}
};
let bytes: [u8; DECAPSULATION_KEY_SIZE] =
bytes.try_into().map_err(|_| identity::Error::Identity {
index,
message: "Invalid identity".to_string(),
})?;
self.identities.push(DecapsulationKey::from(bytes));
@@ -291,8 +289,7 @@ impl IdentityPluginV1 for IdentityPlugin {
let x_wing_stanzas = stanzas
.into_iter()
.enumerate()
.filter(|(_, stanza)| stanza.tag == PLUGIN_NAME)
.collect();
.filter(|(_, stanza)| stanza.tag == PLUGIN_NAME);
ret.insert(file_index, self.decrypt_stanzas(file_index, x_wing_stanzas));
}
@@ -318,7 +315,7 @@ fn main() -> io::Result<()> {
// Here you can assume the binary is being run directly by a user, and perform administrative tasks like generating keys.
let (sk, pk) = x_wing::generate_key_pair_from_os_rng();
print_new_identity(PLUGIN_NAME, sk.as_bytes(), &pk.as_bytes());
print_new_identity(PLUGIN_NAME, sk.as_bytes(), &pk.to_bytes());
Ok(())
}