1 files changed, 0 insertions, 53 deletions
diff --git a/wallet/src/commonMain/kotlin/net/taler/lib/wallet/crypto/CryptoImpl.kt b/wallet/src/commonMain/kotlin/net/taler/lib/wallet/crypto/CryptoImpl.kt
deleted file mode 100644
index 6b7cb8e..0000000
--- a/wallet/src/commonMain/kotlin/net/taler/lib/wallet/crypto/CryptoImpl.kt
+++ /dev/null
@@ -1,53 +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.lib.wallet.crypto
-
-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)
-    }
-
-}