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authorTorsten Grote <t@grobox.de>2020-08-14 17:33:22 -0300
committerTorsten Grote <t@grobox.de>2020-08-14 17:33:22 -0300
commita307a498dc8a42df129e8eaff591e9144ed96298 (patch)
treea55182b4793b673e433d0e431e9d971d45c9a6a7 /wallet/src/commonMain/kotlin/net/taler/wallet/kotlin/crypto/CryptoImpl.kt
parent2ac13b19a5c7fc3531447333fe1772a78ca35795 (diff)
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Make the wallet lib actually use the common lib
Diffstat (limited to 'wallet/src/commonMain/kotlin/net/taler/wallet/kotlin/crypto/CryptoImpl.kt')
-rw-r--r--wallet/src/commonMain/kotlin/net/taler/wallet/kotlin/crypto/CryptoImpl.kt55
1 files changed, 0 insertions, 55 deletions
diff --git a/wallet/src/commonMain/kotlin/net/taler/wallet/kotlin/crypto/CryptoImpl.kt b/wallet/src/commonMain/kotlin/net/taler/wallet/kotlin/crypto/CryptoImpl.kt
deleted file mode 100644
index 0780e45..0000000
--- a/wallet/src/commonMain/kotlin/net/taler/wallet/kotlin/crypto/CryptoImpl.kt
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * This file is part of GNU Taler
- * (C) 2020 Taler Systems S.A.
- *
- * GNU Taler is free software; you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation; either version 3, or (at your option) any later version.
- *
- * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
- * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
- * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
- */
-
-package net.taler.wallet.kotlin.crypto
-
-import net.taler.wallet.kotlin.crypto.CryptoImpl.Companion.toByteArray
-
-abstract class CryptoImpl : Crypto {
-
- companion object {
- fun Int.toByteArray(): ByteArray {
- val bytes = ByteArray(4)
- bytes[3] = (this and 0xFFFF).toByte()
- bytes[2] = ((this ushr 8) and 0xFFFF).toByte()
- bytes[1] = ((this ushr 16) and 0xFFFF).toByte()
- bytes[0] = ((this ushr 24) and 0xFFFF).toByte()
- return bytes
- }
-
- fun Long.toByteArray() = ByteArray(8).apply {
- var l = this@toByteArray
- for (i in 7 downTo 0) {
- this[i] = (l and 0xFF).toByte()
- l = l shr 8
- }
- }
- }
-
- override fun kdf(outputLength: Int, ikm: ByteArray, salt: ByteArray, info: ByteArray): ByteArray {
- return Kdf.kdf(outputLength, ikm, salt, info, { sha256(it) }, { sha512(it) })
- }
-
- override fun setupRefreshPlanchet(secretSeed: ByteArray, coinNumber: Int): FreshCoin {
- val info = "taler-coin-derivation".encodeToByteArray()
- val salt = coinNumber.toByteArray()
- val out = kdf(64, secretSeed, salt, info)
- val coinPrivateKey = out.copyOfRange(0, 32)
- val bks = out.copyOfRange(32, 64)
- return FreshCoin(eddsaGetPublic(coinPrivateKey), coinPrivateKey, bks)
- }
-
-}