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Exception has been handled in func xChaCha20Poly1305Pull (file SecretStream.kt)

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Maria Chernova 2024-12-10 19:41:52 +03:00 committed by kildishevps
parent 12ebea9550
commit 03116127e8
1 changed files with 9 additions and 5 deletions
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14
multiplatform-crypto-libsodium-bindings/src/wasmJsMain/kotlin/com/ionspin/kotlin/crypto/secretstream/SecretStream.kt
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@ -5,6 +5,12 @@ import ext.libsodium.com.ionspin.kotlin.crypto.toUByteArray
import ext.libsodium.com.ionspin.kotlin.crypto.toUInt8Array import ext.libsodium.com.ionspin.kotlin.crypto.toUInt8Array
import org.khronos.webgl.Uint8Array import org.khronos.webgl.Uint8Array
//TODO: вынести все external objects в отдельный файл (и в JsSodiumInterface.kt)
external object CryptoSecretstreamXchacha20poly1305PullResult: JsAny {
val message: Uint8Array
val tag: Byte
}
external object SecretStreamStateType: JsAny external object SecretStreamStateType: JsAny
actual typealias SecretStreamState = SecretStreamStateType actual typealias SecretStreamState = SecretStreamStateType
@ -22,7 +28,7 @@ actual object SecretStream {
tag: UByte tag: UByte
): UByteArray { ): UByteArray {
return getSodium().crypto_secretstream_xchacha20poly1305_push( return getSodium().crypto_secretstream_xchacha20poly1305_push(
state, message.toUInt8Array(), associatedData.toUInt8Array(), tag.toInt() state, message.toUInt8Array(), associatedData.toUInt8Array(), tag.toByte()
).toUByteArray() ).toUByteArray()
} }
@ -42,12 +48,10 @@ actual object SecretStream {
val dataAndTag = getSodium().crypto_secretstream_xchacha20poly1305_pull( val dataAndTag = getSodium().crypto_secretstream_xchacha20poly1305_pull(
state, ciphertext.toUInt8Array(), associatedData.toUInt8Array() state, ciphertext.toUInt8Array(), associatedData.toUInt8Array()
) )
// TODO: cast definitely will succeed (i hope), if (dataAndTag as? JsBoolean == false.toJsBoolean()) {
// but it needs to be checked \/ i'm not sure about this move
if (dataAndTag as Boolean == false) {
throw SecretStreamCorruptedOrTamperedDataException() throw SecretStreamCorruptedOrTamperedDataException()
} }
return DecryptedDataAndTag(dataAndTag.message.toUByteArray(), dataAndTag.tag.toUByte()) return DecryptedDataAndTag((dataAndTag as CryptoSecretstreamXchacha20poly1305PullResult).message.toUByteArray(), dataAndTag.tag.toUByte())
} }