1 files changed, 70 insertions, 0 deletions
diff --git a/wallet/src/commonTest/kotlin/net/taler/wallet/kotlin/crypto/Sha256Test.kt b/wallet/src/commonTest/kotlin/net/taler/wallet/kotlin/crypto/Sha256Test.kt
new file mode 100644
index 0000000..3209e05
--- /dev/null
+++ b/wallet/src/commonTest/kotlin/net/taler/wallet/kotlin/crypto/Sha256Test.kt
@@ -0,0 +1,70 @@
+/*
+ * 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.Base32Crockford
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+@kotlin.ExperimentalStdlibApi
+class Sha256Test {
+
+    private val crypto = CryptoFactory.getCrypto()
+
+    @Test
+    fun testAbc() {
+        assertEquals(
+            "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
+            crypto.sha256("abc".encodeToByteArray()).toHexString()
+        )
+    }
+
+    @Test
+    fun testEmptyString() {
+        assertEquals(
+            "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+            crypto.sha256("".encodeToByteArray()).toHexString()
+        )
+    }
+
+    @Test
+    fun testAbc448bits() {
+        assertEquals(
+            "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1",
+            crypto.sha256("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq".encodeToByteArray()).toHexString()
+        )
+    }
+
+    @Test
+    fun testAbc896bits() {
+        assertEquals(
+            "cf5b16a778af8380036ce59e7b0492370b249b11e8f07a51afac45037afee9d1",
+            crypto.sha256("abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu".encodeToByteArray())
+                .toHexString()
+        )
+    }
+
+    @Test
+    fun testAMillionAs() {
+        val input = ByteArray(1_000_000) { 0x61 }
+        assertEquals(
+            "cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0",
+            crypto.sha256(input).toHexString()
+        )
+    }
+
+}