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Merge pull request #5871 from vector-im/feature/bca/fix_freeze_setup_recovery

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fix doing password stretching on main thread
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Benoit Marty 2022-04-29 11:21:30 +02:00 committed by GitHub
commit 271eb31162
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2 changed files with 6 additions and 5 deletions
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1
changelog.d/5871.bugfix Normal file
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@ -0,0 +1 @@
Fix UX freezing when creating secure backup

10
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/secrets/DefaultSharedSecretStorageService.kt
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@ -66,7 +66,7 @@ internal class DefaultSharedSecretStorageService @Inject constructor(
key: SsssKeySpec?,
keyName: String,
keySigner: KeySigner?): SsssKeyCreationInfo {
return withContext(cryptoCoroutineScope.coroutineContext + coroutineDispatchers.main) {
return withContext(cryptoCoroutineScope.coroutineContext + coroutineDispatchers.computation) {
val bytes = (key as? RawBytesKeySpec)?.privateKey
?: ByteArray(32).also {
SecureRandom().nextBytes(it)
@ -99,7 +99,7 @@ internal class DefaultSharedSecretStorageService @Inject constructor(
passphrase: String,
keySigner: KeySigner,
progressListener: ProgressListener?): SsssKeyCreationInfo {
return withContext(cryptoCoroutineScope.coroutineContext + coroutineDispatchers.main) {
return withContext(cryptoCoroutineScope.coroutineContext + coroutineDispatchers.computation) {
val privatePart = generatePrivateKeyWithPassword(passphrase, progressListener)
val storageKeyContent = SecretStorageKeyContent(
@ -158,7 +158,7 @@ internal class DefaultSharedSecretStorageService @Inject constructor(
}
override suspend fun storeSecret(name: String, secretBase64: String, keys: List<SharedSecretStorageService.KeyRef>) {
withContext(cryptoCoroutineScope.coroutineContext + coroutineDispatchers.main) {
withContext(cryptoCoroutineScope.coroutineContext + coroutineDispatchers.computation) {
val encryptedContents = HashMap<String, EncryptedSecretContent>()
keys.forEach {
val keyId = it.keyId
@ -316,7 +316,7 @@ internal class DefaultSharedSecretStorageService @Inject constructor(
val algorithm = key.keyInfo.content
if (SSSS_ALGORITHM_CURVE25519_AES_SHA2 == algorithm.algorithm) {
val keySpec = secretKey as? RawBytesKeySpec ?: throw SharedSecretStorageError.BadKeyFormat
return withContext(cryptoCoroutineScope.coroutineContext + coroutineDispatchers.main) {
return withContext(cryptoCoroutineScope.coroutineContext + coroutineDispatchers.computation) {
// decrypt from recovery key
withOlmDecryption { olmPkDecryption ->
olmPkDecryption.setPrivateKey(keySpec.privateKey)
@ -331,7 +331,7 @@ internal class DefaultSharedSecretStorageService @Inject constructor(
}
} else if (SSSS_ALGORITHM_AES_HMAC_SHA2 == algorithm.algorithm) {
val keySpec = secretKey as? RawBytesKeySpec ?: throw SharedSecretStorageError.BadKeyFormat
return withContext(cryptoCoroutineScope.coroutineContext + coroutineDispatchers.main) {
return withContext(cryptoCoroutineScope.coroutineContext + coroutineDispatchers.computation) {
decryptAesHmacSha2(keySpec, name, secretContent)
}
} else {