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SecretStream.kt fixed by using a lot of external objects on JsSodiumInterface.kt.

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Problem: function crypto_secretstream_xchacha20poly1305_pull returns JsAny (via an external object) to dataAndTag value. Later dataAndTag is compared to Boolean. Check it out later. It may cause problems.
This commit is contained in:
Maria Chernova 2024-12-09 03:27:29 +03:00 committed by kildishevps
parent 014daefc43
commit 12ebea9550
4 changed files with 42 additions and 20 deletions
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26
multiplatform-crypto-libsodium-bindings/src/wasmJsMain/kotlin/com/ionspin/kotlin/crypto/JsSodiumInterface.kt
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@ -48,6 +48,23 @@ external object CryptoKxServerSessionKeysResult: JsAny {
val sharedTx: Uint8Array
}
external object CryptoSecretboxDetachedResult: JsAny {
val cipher: Uint8Array
val mac: Uint8Array
}
external object CryptoSecretstreamXchacha20poly1305InitPushResult: JsAny {
val state: Uint8Array
val header: Uint8Array
}
external object CryptoSecretstreamXchacha20poly1305PullResult: JsAny {
val message: Uint8Array
val tag: UByte
}
@JsModule("libsodium-wrappers-sumo")
external object JsSodiumInterface {
@ -87,7 +104,8 @@ external object JsSodiumInterface {
@JsName("crypto_generichash_blake2b_update")
fun crypto_generichash_blake2b_update(state: JsAny, inputMessage: Uint8Array)
// TODO: строка ниже просто висела без ничего, я ее закомментила
//crypto_secretstream_xchacha20poly1305_init_push
@JsName("crypto_generichash_blake2b_final")
fun crypto_generichash_blake2b_final(state: JsAny, hashLength: Int) : Uint8Array
@ -130,7 +148,7 @@ external object JsSodiumInterface {
//XChaCha20Poly1305
//encrypt
@JsName("crypto_secretstream_xchacha20poly1305_init_push")
fun crypto_secretstream_xchacha20poly1305_init_push(key: Uint8Array) : JsAny
fun crypto_secretstream_xchacha20poly1305_init_push(key: Uint8Array) : CryptoSecretstreamXchacha20poly1305InitPushResult
@JsName("crypto_secretstream_xchacha20poly1305_push")
// TODO: два варианта: \/
// 1. Меняем юбайт на байт и юинт на инт \/
@ -141,7 +159,7 @@ external object JsSodiumInterface {
@JsName("crypto_secretstream_xchacha20poly1305_init_pull")
fun crypto_secretstream_xchacha20poly1305_init_pull(header: Uint8Array, key: Uint8Array) : JsAny
@JsName("crypto_secretstream_xchacha20poly1305_pull")
fun crypto_secretstream_xchacha20poly1305_pull(state: JsAny, ciphertext: Uint8Array, associatedData: Uint8Array) : JsAny
fun crypto_secretstream_xchacha20poly1305_pull(state: JsAny, ciphertext: Uint8Array, associatedData: Uint8Array) : CryptoSecretstreamXchacha20poly1305PullResult
//keygen and rekey
@JsName("crypto_secretstream_xchacha20poly1305_keygen")
@ -151,7 +169,7 @@ external object JsSodiumInterface {
// ---- SecretBox ----
@JsName("crypto_secretbox_detached")
fun crypto_secretbox_detached(message: Uint8Array, nonce: Uint8Array, key: Uint8Array) : JsAny
fun crypto_secretbox_detached(message: Uint8Array, nonce: Uint8Array, key: Uint8Array) : CryptoSecretboxDetachedResult
@JsName("crypto_secretbox_easy")
fun crypto_secretbox_easy(message: Uint8Array, nonce: Uint8Array, key: Uint8Array) : Uint8Array
@JsName("crypto_secretbox_keygen")

16
multiplatform-crypto-libsodium-bindings/src/wasmJsMain/kotlin/com/ionspin/kotlin/crypto/pwhash/PasswordHash.kt
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@ -26,12 +26,12 @@ actual object PasswordHash {
throw RuntimeException("Javascript doesnt support more than ${UInt.MAX_VALUE} for opslimit")
}
return getSodium().crypto_pwhash(
outputLength.toUInt(),
outputLength.toLong(),
password.encodeToUByteArray().toUInt8Array(),
salt.toUInt8Array(),
opsLimit.toUInt(),
memLimit.toUInt(),
algorithm.toUInt()
opsLimit.toLong(),
memLimit.toLong(),
algorithm.toLong()
).toUByteArray()
}
@ -51,8 +51,8 @@ actual object PasswordHash {
}
return getSodium().crypto_pwhash_str(
password.encodeToUByteArray().toUInt8Array(),
opslimit.toUInt(),
memlimit.toUInt()
opslimit.toLong(),
memlimit.toLong()
)
}
@ -73,8 +73,8 @@ actual object PasswordHash {
return if (
getSodium().crypto_pwhash_str_needs_rehash(
passwordHash,
opslimit.toUInt(),
memlimit.toUInt()
opslimit.toLong(),
memlimit.toLong()
)
) {
1

4
multiplatform-crypto-libsodium-bindings/src/wasmJsMain/kotlin/com/ionspin/kotlin/crypto/secretbox/SecretBox.kt
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@ -42,8 +42,8 @@ actual object SecretBox {
key.toUInt8Array()
)
return SecretBoxEncryptedDataAndTag(
(result.cipher as Uint8Array).toUByteArray(),
(result.mac as Uint8Array).toUByteArray()
result.cipher.toUByteArray(),
result.mac.toUByteArray()
)
}

16
multiplatform-crypto-libsodium-bindings/src/wasmJsMain/kotlin/com/ionspin/kotlin/crypto/secretstream/SecretStream.kt
View File

@ -5,12 +5,14 @@ import ext.libsodium.com.ionspin.kotlin.crypto.toUByteArray
import ext.libsodium.com.ionspin.kotlin.crypto.toUInt8Array
import org.khronos.webgl.Uint8Array
actual typealias SecretStreamState = Any
external object SecretStreamStateType: JsAny
actual typealias SecretStreamState = SecretStreamStateType
actual object SecretStream {
actual fun xChaCha20Poly1305InitPush(key: UByteArray): SecretStreamStateAndHeader {
val state = getSodium().crypto_secretstream_xchacha20poly1305_init_push(key.toUInt8Array())
return SecretStreamStateAndHeader(state.state, (state.header as Uint8Array).toUByteArray())
return SecretStreamStateAndHeader(state.state as SecretStreamState, state.header.toUByteArray())
}
actual fun xChaCha20Poly1305Push(
@ -20,7 +22,7 @@ actual object SecretStream {
tag: UByte
): UByteArray {
return getSodium().crypto_secretstream_xchacha20poly1305_push(
state, message.toUInt8Array(), associatedData.toUInt8Array(), tag
state, message.toUInt8Array(), associatedData.toUInt8Array(), tag.toInt()
).toUByteArray()
}
@ -29,7 +31,7 @@ actual object SecretStream {
header: UByteArray
): SecretStreamStateAndHeader {
val state = getSodium().crypto_secretstream_xchacha20poly1305_init_pull(header.toUInt8Array(), key.toUInt8Array())
return SecretStreamStateAndHeader(state, header)
return SecretStreamStateAndHeader(state as SecretStreamState, header)
}
actual fun xChaCha20Poly1305Pull(
@ -40,10 +42,12 @@ actual object SecretStream {
val dataAndTag = getSodium().crypto_secretstream_xchacha20poly1305_pull(
state, ciphertext.toUInt8Array(), associatedData.toUInt8Array()
)
if (dataAndTag == false) {
// TODO: cast definitely will succeed (i hope),
// but it needs to be checked \/ i'm not sure about this move
if (dataAndTag as Boolean == false) {
throw SecretStreamCorruptedOrTamperedDataException()
}
return DecryptedDataAndTag((dataAndTag.message as Uint8Array).toUByteArray(), dataAndTag.tag)
return DecryptedDataAndTag(dataAndTag.message.toUByteArray(), dataAndTag.tag.toUByte())
}