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0.1.2-beta شامل کیا گیا: 8 نومبر، 2026، 2:53 AM · بلڈ کیا گیا: 7 نومبر، 2026، 7:32 PM

openpgp_data.rs شامل کیا گیا: تاریخ درج نہیں 15.6 KB · 408 لائنیں

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1//! Local OpenPGP message operations. No paths, network, vault writes or UI logging.

2use crate::core::{

3 error::{CoreError, CoreResult},

4 openpgp, openpgp_algorithms,

5};

6use pgp::{

7 composed::{

8 CleartextSignedMessage, Deserializable, Message, MessageBuilder, SignedPublicKey,

9 SignedSecretKey,

10 },

11 crypto::{aead::AeadAlgorithm, sym::SymmetricKeyAlgorithm},

12 types::{KeyDetails, Password, SigningKey, VerifyingKey},

13};

14use serde_json::{json, Value};

15use std::io::Read;

16use zeroize::Zeroizing;

18pub const MAX_DATA: u64 = 64 * 1024 * 1024;

19fn error() -> CoreError {

20 CoreError::new(

21 "OPENPGP_OPERATION_FAILED",

22 "OpenPGP operation failed. Check the key, passphrase, message and supported format.",

23 )

24}

25fn unsupported() -> CoreError {

26 CoreError::new(

27 "OPENPGP_PROFILE_UNSUPPORTED",

28 "This message operation requires an RFC 4880/9580/9980 V4 or V6 certificate.",

29 )

30}

31fn bounded(bytes: &[u8]) -> CoreResult<()> {

32 if bytes.len() as u64 > MAX_DATA {

33 Err(CoreError::plain("OpenPGP input exceeds 64 MiB."))

34 } else {

35 Ok(())

36 }

37}

38fn public(entry: &Value) -> CoreResult<(SignedPublicKey, Value)> {

39 let text = entry["public"].as_str().ok_or_else(error)?;

40 if crate::core::openpgp_compat::handles(text.as_bytes())? {

41 return Err(unsupported());

42 }

43 let (key, _) =

44 SignedPublicKey::from_reader_single(std::io::Cursor::new(text)).map_err(|_| error())?;

45 key.verify_bindings().map_err(|_| error())?;

46 if entry["fingerprint"] != hex::encode_upper(key.fingerprint().as_ref()) {

47 return Err(error());

48 }

49 Ok((key, openpgp::describe_public(text)?))

50}

51fn private(entry: &Value) -> CoreResult<(SignedSecretKey, Value)> {

52 let (_, meta) = public(entry)?;

53 let (key, _) = SignedSecretKey::from_reader_single(std::io::Cursor::new(

54 entry["private"].as_str().ok_or_else(error)?,

55 ))

56 .map_err(|_| error())?;

57 key.verify_bindings().map_err(|_| error())?;

58 if entry["fingerprint"] != hex::encode_upper(key.fingerprint().as_ref()) {

59 return Err(error());

60 }

61 Ok((key, meta))

62}

63fn effective(meta: &Value, key: &dyn KeyDetails, cap: char) -> bool {

64 std::iter::once(meta)

65 .chain(meta["subkeys"].as_array().into_iter().flatten())

66 .any(|m| {

67 m["fingerprint"] == hex::encode_upper(key.fingerprint().as_ref())

68 && m["effectiveCapabilities"]

69 .as_str()

70 .unwrap_or("")

71 .contains(cap)

72 })

73}

74fn signing<'a>(key: &'a SignedSecretKey, meta: &Value) -> CoreResult<&'a dyn SigningKey> {

75 for sub in &key.secret_subkeys {

76 if effective(meta, &sub.key, 'S') {

77 return Ok(&sub.key);

78 }

79 }

80 if effective(meta, &key.primary_key, 'S') {

81 Ok(&key.primary_key)

82 } else {

83 Err(error())

84 }

85}

86fn encrypt_format(entry: &Value, data: &[u8], armored: bool) -> CoreResult<Vec<u8>> {

87 bounded(data)?;

88 let (key, meta) = public(entry)?;

89 let selected = key

90 .public_subkeys

91 .iter()

92 .filter(|s| effective(&meta, &s.key, 'E'))

93 .max_by_key(|s| s.key.algorithm().is_pqc());

94 let builder = MessageBuilder::from_reader("", std::io::Cursor::new(data));

95 macro_rules! finish {

96 ($configured:expr) => {{

97 let mut builder = $configured;

98 if let Some(sub) = selected {

99 builder

100 .encrypt_to_key(&mut rand::thread_rng(), &sub.key)

101 .map_err(|_| error())?;

102 } else if effective(&meta, &key.primary_key, 'E') {

103 builder

104 .encrypt_to_key(&mut rand::thread_rng(), &key.primary_key)

105 .map_err(|_| error())?;

106 } else {

107 return Err(error());

108 }

109 if armored {

110 builder

111 .to_armored_string(&mut rand::thread_rng(), Default::default())

112 .map(String::into_bytes)

113 .map_err(|_| error())

114 } else {

115 builder.to_vec(&mut rand::thread_rng()).map_err(|_| error())

116 }

117 }};

118 }

119 if meta["version"] == 6 {

120 finish!(builder.seipd_v2(

121 &mut rand::thread_rng(),

122 SymmetricKeyAlgorithm::AES256,

123 AeadAlgorithm::Ocb,

124 Default::default()

125 ))

126 } else {

127 finish!(builder.seipd_v1(&mut rand::thread_rng(), SymmetricKeyAlgorithm::AES256))

128 }

129}

130pub fn encrypt(entry: &Value, data: &[u8]) -> CoreResult<Vec<u8>> {

131 encrypt_format(entry, data, false)

132}

133pub fn encrypt_armored(entry: &Value, data: &[u8]) -> CoreResult<String> {

134 String::from_utf8(encrypt_format(entry, data, true)?).map_err(|_| error())

135}

136pub fn perform_text(entry: &Value, payload: &Value) -> CoreResult<Value> {

137 let input = payload["text"].as_str().ok_or_else(error)?;

138 if input.len() > 1024 * 1024 {

139 return Err(error());

140 }

141 let password = payload["passphrase"].as_str().unwrap_or("");

142 let text = match payload["operation"].as_str().unwrap_or("") {

143 "signText" => sign_text(entry, input, password)?,

144 "verifyText" => String::from_utf8(verify_inline(entry, input.as_bytes())?.to_vec())

145 .map_err(|_| error())?,

146 "encryptText" => encrypt_armored(entry, input.as_bytes())?,

147 "decryptText" => String::from_utf8(decrypt(entry, input.as_bytes(), password)?.to_vec())

148 .map_err(|_| error())?,

149 _ => return Err(error()),

150 };

151 Ok(json!({"text":text,"verified":payload["operation"]=="verifyText"}))

152}

153fn read_message(mut message: Message<'_>) -> CoreResult<(Message<'_>, Zeroizing<Vec<u8>>)> {

154 // Bound both decompression depth and plaintext size before releasing any bytes.

155 for _ in 0..4 {

156 if !message.is_compressed() {

157 break;

158 }

159 message = message.decompress().map_err(|_| error())?;

160 }

161 if message.is_compressed() {

162 return Err(error());

163 }

164 let mut bytes = Zeroizing::new(Vec::new());

165 message

166 .by_ref()

167 .take(MAX_DATA + 1)

168 .read_to_end(&mut bytes)

169 .map_err(|_| error())?;

170 bounded(&bytes)?;

171 Ok((message, bytes))

172}

173fn parse_message(data: &[u8]) -> CoreResult<Message<'_>> {

174 if data.len() as u64 > 96 * 1024 * 1024 {

175 return Err(error());

176 }

177 if data.starts_with(b"-----BEGIN PGP MESSAGE-----") {

178 Message::from_armor(data)

179 .map(|(m, _)| m)

180 .map_err(|_| error())

181 } else {

182 Message::from_bytes(data).map_err(|_| error())

183 }

184}

185pub fn decrypt(entry: &Value, data: &[u8], password: &str) -> CoreResult<Zeroizing<Vec<u8>>> {

186 let (key, _) = private(entry)?;

187 let message = parse_message(data)?

188 .decrypt(&Password::from(password), &key)

189 .map_err(|_| error())?;

190 let (_, bytes) = read_message(message)?;

191 Ok(bytes)

192}

193pub fn sign_inline(entry: &Value, data: &[u8], password: &str) -> CoreResult<Vec<u8>> {

194 bounded(data)?;

195 let (key, meta) = private(entry)?;

196 let signer = signing(&key, &meta)?;

197 let mut builder = MessageBuilder::from_reader("", std::io::Cursor::new(data));

198 builder.sign(

199 signer,

200 Password::from(password),

201 openpgp_algorithms::signing_hash(signer.public_params()),

202 );

203 builder.to_vec(&mut rand::thread_rng()).map_err(|_| error())

204}

205pub fn sign_text(entry: &Value, text: &str, password: &str) -> CoreResult<String> {

206 bounded(text.as_bytes())?;

207 let (key, meta) = private(entry)?;

208 let signer = signing(&key, &meta)?;

209 // CleartextSignedMessage accepts sized signing keys, so select the same effective key concretely.

210 if let Some(sub) = key

211 .secret_subkeys

212 .iter()

213 .find(|s| effective(&meta, &s.key, 'S'))

214 {

215 CleartextSignedMessage::sign(

216 &mut rand::thread_rng(),

217 text,

218 &sub.key,

219 &Password::from(password),

220 )

221 .and_then(|m| m.to_armored_string(Default::default()))

222 .map_err(|_| error())

223 } else {

224 let _ = signer;

225 CleartextSignedMessage::sign(

226 &mut rand::thread_rng(),

227 text,

228 &key.primary_key,

229 &Password::from(password),

230 )

231 .and_then(|m| m.to_armored_string(Default::default()))

232 .map_err(|_| error())

233 }

234}

235fn verify_keys<'a>(key: &'a SignedPublicKey, meta: &Value) -> Vec<&'a dyn VerifyingKey> {

236 let mut keys: Vec<&dyn VerifyingKey> = Vec::new();

237 if effective(meta, &key.primary_key, 'S') {

238 keys.push(&key.primary_key)

239 }

240 for sub in &key.public_subkeys {

241 if effective(meta, &sub.key, 'S') {

242 keys.push(&sub.key)

243 }

244 }

245 keys

246}

247pub fn verify_inline(entry: &Value, data: &[u8]) -> CoreResult<Zeroizing<Vec<u8>>> {

248 bounded(data)?;

249 let (key, meta) = public(entry)?;

250 if data.starts_with(b"-----BEGIN PGP SIGNED MESSAGE-----") {

251 let (signed, _) = CleartextSignedMessage::from_armor(data).map_err(|_| error())?;

252 let current = |result: pgp::errors::Result<&pgp::packet::Signature>| {

253 result.is_ok_and(|sig| {

254 crate::core::updates::openpgp::signature_current(sig, std::time::SystemTime::now())

255 })

256 };

257 let valid = (effective(&meta, &key.primary_key, 'S')

258 && current(signed.verify(&key.primary_key)))

259 || key

260 .public_subkeys

261 .iter()

262 .any(|sub| effective(&meta, &sub.key, 'S') && current(signed.verify(&sub.key)));

263 if !valid {

264 return Err(error());

265 }

266 Ok(Zeroizing::new(signed.signed_text().into_bytes()))

267 } else {

268 let (message, bytes) = read_message(parse_message(data)?)?;

269 if !verify_keys(&key, &meta).iter().any(|k| {

270 message.verify(*k).is_ok_and(|sig| {

271 crate::core::updates::openpgp::signature_current(sig, std::time::SystemTime::now())

272 })

273 }) {

274 return Err(error());

275 }

276 Ok(bytes)

277 }

278}

279pub fn capabilities(entry: &Value, meta: &Value) -> Value {

280 let supported = [4, 6].contains(&meta["version"].as_u64().unwrap_or(0));

281 let e = meta["certificateCapabilities"]

282 .as_str()

283 .unwrap_or("")

284 .contains('E');

285 let pq_cap = |cap: char| {

286 std::iter::once(meta)

287 .chain(meta["subkeys"].as_array().into_iter().flatten())

288 .any(|key| {

289 key["postQuantum"] == true

290 && key["effectiveCapabilities"]

291 .as_str()

292 .unwrap_or("")

293 .contains(cap)

294 })

295 };

296 let pq = std::iter::once(meta)

297 .chain(meta["subkeys"].as_array().into_iter().flatten())

298 .any(|key| key["postQuantum"] == true);

299

    json!({"importSupported":true,"exportPublicSupported":true,"exportPrivateSupported":entry["private"].is_string(),"encryptSupported":supported && e,"decryptSupported":supported && entry["private"].is_string(),"inlineSignSupported":supported && entry["private"].is_string() && meta["certificateCapabilities"].as_str().unwrap_or("").contains('S'),"certificatePostQuantumEncryption":pq_cap('E'),"certificatePostQuantumSignatures":pq_cap('S'),"serializationProfile":if pq{"RFC 9980"}else{"OpenPGP"}})

300}

301

302#[cfg(test)]

303mod tests {

304 use super::*;

305 use crate::core::keychain;

306 #[test]

307 fn rfc9980_real_operations_preserve_versions_and_keychain_roundtrips() {

308 let temp = tempfile::tempdir().unwrap();

309 let file = temp.path().join("payload");

310 let data = b"Synthetic RFC 9980 payload\n";

311 std::fs::write(&file, data).unwrap();

312 for (index, algorithm) in [

313 "ml-dsa65-ed25519",

314 "ml-dsa87-ed448",

315 "slh-dsa-shake128s",

316 "slh-dsa-shake128f",

317 "slh-dsa-shake256s",

318 ]

319 .iter()

320 .enumerate()

321 {

322 let started = std::time::Instant::now();

323

            let (out,entry)=openpgp::generate(&json!({"name":"Synthetic PQ identity","algorithm":algorithm,"passphrase":"synthetic-pq-password","subkeys":[{"role":"encrypt","algorithm":"ml-kem768-x25519"}]})).unwrap();

324 let meta = keychain::describe(&entry);

325 assert_eq!(meta["algorithmId"], 30 + index);

326 assert_eq!(meta["version"], 6);

327 assert_eq!(meta["postQuantum"], true);

328 assert_eq!(meta["certificateCapabilities"], "CSE");

329 let parsed = keychain::parse(

330 entry["private"].as_str().unwrap().as_bytes(),

331 "Imported",

332 "",

333 )

334 .unwrap();

335 assert_eq!(parsed["fingerprint"], entry["fingerprint"]);

336 let sig = keychain::sign(&entry, &file, "synthetic-pq-password").unwrap();

337 keychain::verify(&parsed, &file, sig.as_bytes()).unwrap();

338 let signed = sign_inline(&entry, data, "synthetic-pq-password").unwrap();

339 assert_eq!(verify_inline(&parsed, &signed).unwrap().as_slice(), data);

340 let text = sign_text(

341 &entry,

342 "Synthetic text\nSecond line",

343 "synthetic-pq-password",

344 )

345 .unwrap();

346 assert!(verify_inline(&parsed, text.as_bytes()).is_ok());

347 let encrypted = encrypt(&entry, data).unwrap();

348 assert_eq!(

349 decrypt(&parsed, &encrypted, "synthetic-pq-password")

350 .unwrap()

351 .as_slice(),

352 data

353 );

354 assert!(decrypt(&parsed, &encrypted, "wrong").is_err());

355 let mut corrupted = signed.clone();

356 let last = corrupted.len() - 1;

357 corrupted[last] ^= 1;

358 assert!(verify_inline(&parsed, &corrupted).is_err());

359 let revoked = keychain::revoke(&entry, "synthetic-pq-password").unwrap();

360 assert_eq!(keychain::describe(&revoked)["revoked"], true);

361 assert!(verify_inline(&revoked, &signed).is_err());

362 let imported_rev = keychain::parse(

363 out["files"][2]["content"].as_str().unwrap().as_bytes(),

364 "Revoked",

365 "",

366 )

367 .unwrap();

368 assert_eq!(imported_rev["revoked"], true);

369 eprintln!(

370 "RFC9980 {algorithm} lifecycle passed in {}ms",

371 started.elapsed().as_millis()

372 );

373 }

374 }

375 #[test]

376 fn kem_variants_and_v4_exception_use_real_session_key_encapsulation() {

377 for (version, algorithm) in [

378 (4, "ml-kem768-x25519"),

379 (6, "ml-kem768-x25519"),

380 (6, "ml-kem1024-x448"),

381 ] {

382

            let (_,entry)=openpgp::generate(&json!({"name":"Synthetic KEM fixture","version":version,"subkeys":[{"role":"encrypt","algorithm":algorithm}]})).unwrap();

383 let cipher = encrypt(&entry, b"Synthetic KEM session payload").unwrap();

384 assert_eq!(

385 decrypt(&entry, &cipher, "").unwrap().as_slice(),

386 b"Synthetic KEM session payload"

387 );

388 let mut tampered = cipher.clone();

389 let end = tampered.len() - 1;

390 tampered[end] ^= 1;

391 assert!(decrypt(&entry, &tampered, "").is_err());

392 for end in [0, 1, cipher.len() / 2, cipher.len() - 1] {

393 assert!(decrypt(&entry, &cipher[..end], "").is_err());

394 }

395 }

396 for version in [2, 3, 4, 5] {

397 for algorithm in [

398 "ml-dsa65-ed25519",

399 "ml-dsa87-ed448",

400 "slh-dsa-shake128s",

401 "slh-dsa-shake128f",

402 "slh-dsa-shake256s",

403 ] {

404

                assert!(openpgp::generate(&json!({"name":"Rejected PQ profile","version":version,"algorithm":algorithm,"legacyConfirmed":true})).is_err());

405 }

406 }

407 }

408}

409

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