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Normalizes passwords to NFKC in NIP49

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This commit is contained in:
Vitor Pamplona
2024-02-15 16:05:53 -05:00
parent 03a9ec8ed2
commit 6553f3bec5
2 changed files with 8 additions and 3 deletions
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quartz/src/main/java/com/vitorpamplona/quartz/crypto/Nip49.kt
+5 -2
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@@ -31,6 +31,7 @@ import com.vitorpamplona.quartz.encoders.hexToByteArray
import com.vitorpamplona.quartz.encoders.toHexKey
import fr.acinq.secp256k1.Secp256k1
import java.security.SecureRandom
import java.text.Normalizer
class Nip49(val secp256k1: Secp256k1, val random: SecureRandom) {
private val libSodium = SodiumAndroid()
@@ -50,8 +51,9 @@ class Nip49(val secp256k1: Secp256k1, val random: SecureRandom) {
check(encryptedInfo != null) { "Couldn't decode key" }
check(encryptedInfo.version == EncryptedInfo.V) { "invalid version" }
val normalizedPassword = Normalizer.normalize(password, Normalizer.Form.NFKC).toByteArray(Charsets.UTF_8)
val n = Math.pow(2.0, encryptedInfo.logn.toDouble()).toInt()
val key = SCrypt.scrypt(password.toByteArray(Charsets.UTF_8), encryptedInfo.salt, n, 8, 1, 32)
val key = SCrypt.scrypt(normalizedPassword, encryptedInfo.salt, n, 8, 1, 32)
val m = ByteArray(32)
lazySodium.cryptoAeadXChaCha20Poly1305IetfDecrypt(
@@ -93,8 +95,9 @@ class Nip49(val secp256k1: Secp256k1, val random: SecureRandom) {
val nonce = ByteArray(24)
random.nextBytes(nonce)
val normalizedPassword = Normalizer.normalize(password, Normalizer.Form.NFKC).toByteArray(Charsets.UTF_8)
val n = Math.pow(2.0, logn.toDouble()).toInt()
val key = SCrypt.scrypt(password.toByteArray(Charsets.UTF_8), salt, n, 8, 1, 32)
val key = SCrypt.scrypt(normalizedPassword, salt, n, 8, 1, 32)
val ciphertext = ByteArray(48)
// byte[] c, long[] cLen,