YoungBlood/libsodium_wasm_experimental
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Added js and jvm implementations of _kx_

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This commit is contained in:
Ugljesa Jovanovic 2020-10-09 17:17:17 +02:00
parent bd173f422f
commit a19602a92f
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GPG Key ID: 178E6DFCECCB0E0F
4 changed files with 174 additions and 50 deletions
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6
multiplatform-crypto-libsodium-bindings/src/commonTest/kotlin/com/ionspin/kotlin/crypto/keyexchange/KeyExchangeTest.kt
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@ -1,6 +1,6 @@
package com.ionspin.kotlin.crypto.keyexchange
import com.ionspin.kotlin.crypto.util.LibsodiumRandom
import com.ionspin.kotlin.crypto.LibsodiumInitializer
import com.ionspin.kotlin.crypto.util.toHexString
import kotlin.test.Test
import kotlin.test.assertTrue
@ -13,6 +13,7 @@ import kotlin.test.assertTrue
class KeyExchangeTest {
@Test
fun testKeyExchange() {
LibsodiumInitializer.initializeWithCallback {
val keypairClient = KeyExchange.keypair()
val keypairServer = KeyExchange.keypair()
val clientSessionKeyPair = KeyExchange.clientSessionKeys(
@ -36,9 +37,11 @@ class KeyExchangeTest {
clientSessionKeyPair.receiveKey.contentEquals(serverSessionKeyPair.sendKey)
}
}
}
@Test
fun testKeyExchangeSeeded() {
LibsodiumInitializer.initializeWithCallback {
val seed = UByteArray(crypto_kx_SEEDBYTES) { 7U }
val keypairClient = KeyExchange.seedKeypair(seed)
val keypairServer = KeyExchange.seedKeypair(seed)
@ -72,3 +75,4 @@ class KeyExchangeTest {
}
}
}
}

6
multiplatform-crypto-libsodium-bindings/src/jsMain/kotlin/com/ionspin/kotlin/crypto/JsSodiumInterface.kt
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@ -216,6 +216,12 @@ interface JsSodiumInterface {
// ---- Utils end ----
// ---- Key exchange ----
fun crypto_kx_client_session_keys(clientPublicKey: Uint8Array, clientSecretKey: Uint8Array, serverPublicKey: Uint8Array) : dynamic
fun crypto_kx_keypair() : dynamic
fun crypto_kx_seed_keypair(seed: Uint8Array) : dynamic
fun crypto_kx_server_session_keys(serverPublicKey: Uint8Array, serverSecretKey: Uint8Array, clientPublicKey: Uint8Array) : dynamic

57
multiplatform-crypto-libsodium-bindings/src/jsMain/kotlin/com/ionspin/kotlin/crypto/keyexchange/KeyExchange.kt Normal file
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@ -0,0 +1,57 @@
package com.ionspin.kotlin.crypto.keyexchange
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 KeyExchange {
actual fun clientSessionKeys(clientPublicKey: UByteArray, clientSecretKey: UByteArray, serverPublicKey: UByteArray) : KeyExchangeSessionKeyPair {
val result = getSodium().crypto_kx_client_session_keys(
clientPublicKey.toUInt8Array(),
clientSecretKey.toUInt8Array(),
serverPublicKey.toUInt8Array()
)
val receiveKey = (result.sharedRx as Uint8Array).toUByteArray()
val sendKey = (result.sharedTx as Uint8Array).toUByteArray()
return KeyExchangeSessionKeyPair(receiveKey, sendKey)
}
actual fun keypair() : KeyExchangeKeyPair {
val result = getSodium().crypto_kx_keypair()
val publicKey = (result.publicKey as Uint8Array).toUByteArray()
val secretKey = (result.privateKey as Uint8Array).toUByteArray()
return KeyExchangeKeyPair(publicKey, secretKey)
}
actual fun seedKeypair(seed: UByteArray) : KeyExchangeKeyPair {
val result = getSodium().crypto_kx_seed_keypair(seed.toUInt8Array())
val publicKey = (result.publicKey as Uint8Array).toUByteArray()
val secretKey = (result.privateKey as Uint8Array).toUByteArray()
return KeyExchangeKeyPair(publicKey, secretKey)
}
actual fun serverSessionKeys(serverPublicKey: UByteArray, serverSecretKey: UByteArray, clientPublicKey: UByteArray) : KeyExchangeSessionKeyPair {
val result = getSodium().crypto_kx_server_session_keys(
serverPublicKey.toUInt8Array(),
serverSecretKey.toUInt8Array(),
clientPublicKey.toUInt8Array()
)
val receiveKey = (result.sharedRx as Uint8Array).toUByteArray()
val sendKey = (result.sharedTx as Uint8Array).toUByteArray()
return KeyExchangeSessionKeyPair(receiveKey, sendKey)
}
}

57
multiplatform-crypto-libsodium-bindings/src/jvmMain/kotlin/com/ionspin/kotlin/crypto/keyexchange/KeyExchange.kt Normal file
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@ -0,0 +1,57 @@
package com.ionspin.kotlin.crypto.keyexchange
import com.ionspin.kotlin.crypto.LibsodiumInitializer.sodium
actual object KeyExchange {
actual fun clientSessionKeys(clientPublicKey: UByteArray, clientSecretKey: UByteArray, serverPublicKey: UByteArray) : KeyExchangeSessionKeyPair {
val receiveKey = UByteArray(crypto_kx_SESSIONKEYBYTES)
val sendKey = UByteArray(crypto_kx_SESSIONKEYBYTES)
sodium.crypto_kx_client_session_keys(
receiveKey.asByteArray(),
sendKey.asByteArray(),
clientPublicKey.asByteArray(),
clientSecretKey.asByteArray(),
serverPublicKey.asByteArray()
)
return KeyExchangeSessionKeyPair(receiveKey, sendKey)
}
actual fun keypair() : KeyExchangeKeyPair {
val publicKey = UByteArray(crypto_kx_PUBLICKEYBYTES)
val secretKey = UByteArray(crypto_kx_SECRETKEYBYTES)
sodium.crypto_kx_keypair(publicKey.asByteArray(), secretKey.asByteArray())
return KeyExchangeKeyPair(publicKey, secretKey)
}
actual fun seedKeypair(seed: UByteArray) : KeyExchangeKeyPair {
val publicKey = UByteArray(crypto_kx_PUBLICKEYBYTES)
val secretKey = UByteArray(crypto_kx_SECRETKEYBYTES)
sodium.crypto_kx_seed_keypair(publicKey.asByteArray(), secretKey.asByteArray(), seed.asByteArray())
return KeyExchangeKeyPair(publicKey, secretKey)
}
actual fun serverSessionKeys(serverPublicKey: UByteArray, serverSecretKey: UByteArray, clientPublicKey: UByteArray) : KeyExchangeSessionKeyPair {
val receiveKey = UByteArray(crypto_kx_SESSIONKEYBYTES)
val sendKey = UByteArray(crypto_kx_SESSIONKEYBYTES)
sodium.crypto_kx_server_session_keys(
receiveKey.asByteArray(),
sendKey.asByteArray(),
serverPublicKey.asByteArray(),
serverSecretKey.asByteArray(),
clientPublicKey.asByteArray()
)
return KeyExchangeSessionKeyPair(receiveKey, sendKey)
}
}