YoungBlood/libsodium_wasm_experimental
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Added rekey and keygen to secretstream

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Ugljesa Jovanovic authored and Ugljesa Jovanovic committed 2020-08-29 17:25:59 +02:00
1 parent 91cd41c8c1
commit d5b1e7f7f3
5 files changed
+49 -2
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multiplatform-crypto-libsodium-bindings/src/jvmMain/kotlin/com/ionspin/kotlin/crypto/secretstream/SecretStream.kt
+12 -2
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@@ -19,7 +19,7 @@ actual object SecretStream {
additionalData: UByteArray,
tag: UByte
): UByteArray {
val ciphertext = UByteArray(message.size + 17)
val ciphertext = UByteArray(message.size + crypto_secretstream_xchacha20poly1305_ABYTES)
sodium.crypto_secretstream_xchacha20poly1305_push(
state,
ciphertext.asByteArray(),
@@ -47,7 +47,7 @@ actual object SecretStream {
ciphertext: UByteArray,
additionalData: UByteArray
): DecryptedDataAndTag {
val result = UByteArray(ciphertext.size - 17)
val result = UByteArray(ciphertext.size - crypto_secretstream_xchacha20poly1305_ABYTES)
val tagArray = UByteArray(1) { 0U }
sodium.crypto_secretstream_xchacha20poly1305_pull(
state,
@@ -62,4 +62,14 @@ actual object SecretStream {
return DecryptedDataAndTag(result, tagArray[0])
}
actual fun xChaCha20Poly1305Keygen(): UByteArray {
val generatedKey = UByteArray(crypto_aead_xchacha20poly1305_ietf_KEYBYTES)
sodium.crypto_secretstream_xchacha20poly1305_keygen(generatedKey.asByteArray())
return generatedKey
}
actual fun xChaCha20Poly1305Rekey(state: SecretStreamState) {
sodium.crypto_secretstream_xchacha20poly1305_rekey(state)
}
}