Added secretbox functions and constants

multiplatform-crypto-libsodium-bindings/src/jsMain/kotlin/com/ionspin/kotlin/crypto/JsSodiumInterface.kt

@@ -61,6 +61,16 @@ interface JsSodiumInterface {
     fun crypto_secretstream_xchacha20poly1305_keygen() : Uint8Array
     fun crypto_secretstream_xchacha20poly1305_rekey(state: dynamic)
 
+    // ---- SecretBox ----
+    fun crypto_secretbox_detached(message: Uint8Array, nonce: Uint8Array, key: Uint8Array) : dynamic
+    fun crypto_secretbox_easy(message: Uint8Array, nonce: Uint8Array, key: Uint8Array) : Uint8Array
+    fun crypto_secretbox_keygen() : Uint8Array
+    fun crypto_secretbox_open_detached(ciphertext : Uint8Array, tag : Uint8Array, nonce: Uint8Array, key: Uint8Array) : dynamic
+    fun crypto_secretbox_open_easy(ciphertext : Uint8Array, nonce: Uint8Array, key: Uint8Array) : dynamic
+
+
+    // ---- SecretBox End ----
+
     //util
     fun memzero(array: Uint8Array)
 

multiplatform-crypto-libsodium-bindings/src/jsMain/kotlin/com/ionspin/kotlin/crypto/secretbox/SecretBox.kt

@@ -0,0 +1,74 @@
+package com.ionspin.kotlin.crypto.secretbox
+
+import com.ionspin.kotlin.crypto.getSodium
+import ext.libsodium.com.ionspin.kotlin.crypto.toUByteArray
+import ext.libsodium.com.ionspin.kotlin.crypto.toUInt8Array
+import org.khronos.webgl.Uint8Array
+
+actual object SecretBox {
+    actual fun easy(message: UByteArray, nonce: UByteArray, key: UByteArray): UByteArray {
+        return getSodium().crypto_secretbox_easy(
+            message.toUInt8Array(),
+            nonce.toUInt8Array(),
+            key.toUInt8Array()
+        ).toUByteArray()
+    }
+
+    actual fun openEasy(
+        ciphertext: UByteArray,
+        nonce: UByteArray,
+        key: UByteArray
+    ): UByteArray {
+        try {
+            val decryptionResult = getSodium().crypto_secretbox_open_easy(
+                ciphertext.toUInt8Array(),
+                nonce.toUInt8Array(),
+                key.toUInt8Array()
+            )
+            return (decryptionResult as Uint8Array).toUByteArray()
+        } catch (error: Throwable) {
+            throw SecretBoxCorruptedOrTamperedDataExceptionOrInvalidKey()
+        }
+    }
+
+    actual fun detached(
+        message: UByteArray,
+        nonce: UByteArray,
+        key: UByteArray
+    ): SecretBoxEncryptedDataAndTag {
+        val result = getSodium().crypto_secretbox_detached(
+            message.toUInt8Array(),
+            nonce.toUInt8Array(),
+            key.toUInt8Array()
+        )
+        return SecretBoxEncryptedDataAndTag(
+            (result.cipher as Uint8Array).toUByteArray(),
+            (result.mac as Uint8Array).toUByteArray()
+        )
+    }
+
+    actual fun openDetached(
+        ciphertext: UByteArray,
+        tag: UByteArray,
+        nonce: UByteArray,
+        key: UByteArray
+    ): UByteArray {
+        try {
+            val decryptionResult = getSodium().crypto_secretbox_open_detached(
+                ciphertext.toUInt8Array(),
+                tag.toUInt8Array(),
+                nonce.toUInt8Array(),
+                key.toUInt8Array()
+            )
+            return (decryptionResult as Uint8Array).toUByteArray()
+        } catch (error: Throwable) {
+            throw SecretBoxCorruptedOrTamperedDataExceptionOrInvalidKey()
+        }
+
+    }
+
+    actual fun keygen(): UByteArray {
+        return getSodium().crypto_secretbox_keygen().toUByteArray()
+    }
+
+}

multiplatform-crypto-libsodium-bindings/src/jsMain/kotlin/com/ionspin/kotlin/crypto/secretstream/SecretStream.kt

@@ -40,6 +40,9 @@ actual object SecretStream {
         val dataAndTag = getSodium().crypto_secretstream_xchacha20poly1305_pull(
             state, ciphertext.toUInt8Array(), additionalData.toUInt8Array()
         )
+        if (dataAndTag == false) {
+            throw SecretStreamCorrupedOrTamperedDataException()
+        }
         return DecryptedDataAndTag((dataAndTag.message as Uint8Array).toUByteArray(), dataAndTag.tag)
 
     }