#51 crypto system

2022-05-29 15:05:57 -04:00
parent e65a1bf6e1
commit 309ba06f8a
24 changed files with 3746 additions and 0 deletions
--- a/test/lockbox-benchmark.lua
+++ b/test/lockbox-benchmark.lua
@@ -0,0 +1,104 @@
+require("/initenv").init_env()
+
+local pbkdf2 = require("lockbox.kdf.pbkdf2")
+local AES128Cipher = require("lockbox.cipher.aes128")
+local HMAC = require("lockbox.mac.hmac")
+local SHA1 = require("lockbox.digest.sha1");
+local SHA2_224 = require("lockbox.digest.sha2_224");
+local SHA2_256 = require("lockbox.digest.sha2_256");
+local Stream = require("lockbox.util.stream")
+local Array = require("lockbox.util.array")
+
+local CBCMode = require("lockbox.cipher.mode.cbc");
+local CFBMode = require("lockbox.cipher.mode.cfb");
+local OFBMode = require("lockbox.cipher.mode.ofb");
+local CTRMode = require("lockbox.cipher.mode.ctr");
+
+local ZeroPadding = require("lockbox.padding.zero");
+
+local comms = require("scada-common.comms")
+local util = require("scada-common.util")
+
+local start = util.time()
+
+local keyd = pbkdf2()
+
+keyd.setPassword("mypassword")
+keyd.setSalt("no_salt_thanks")
+keyd.setIterations(16)
+keyd.setBlockLen(4)
+keyd.setDKeyLen(16)
+keyd.setPRF(HMAC().setBlockSize(64).setDigest(SHA2_256))
+keyd.finish()
+
+util.println("pbkdf2: took " .. (util.time() - start) .. "ms")
+util.println(keyd.asHex())
+
+local pkt = comms.modbus_packet()
+pkt.make(1, 2, 7, {0, 1, 2, 3, 4, 5, 6, 7, 8, 9})
+local spkt = comms.scada_packet()
+spkt.make(1, 1, pkt.raw_sendable())
+
+start = util.time()
+local data = textutils.serialize(spkt.raw_sendable(), { allow_repetitions = true, compact = true })
+
+util.println("packet serialize: took " .. (util.time() - start) .. "ms")
+util.println("message: " .. data)
+
+start = util.time()
+local v = {
+    cipher = CTRMode.Cipher,
+    decipher = CTRMode.Decipher,
+    iv = Array.fromHex("000102030405060708090A0B0C0D0E0F"),
+    key = Array.fromHex(keyd.asHex()),
+    padding = ZeroPadding
+}
+util.println("v init: took " .. (util.time() - start) .. "ms")
+
+start = util.time()
+local cipher = v.cipher()
+.setKey(v.key)
+.setBlockCipher(AES128Cipher)
+.setPadding(v.padding);
+util.println("cipher init: took " .. (util.time() - start) .. "ms")
+
+start = util.time()
+local cipherOutput = cipher
+            .init()
+            .update(Stream.fromArray(v.iv))
+            .update(Stream.fromString(data))
+            .asHex();
+util.println("encrypt: took " .. (util.time() - start) .. "ms")
+util.println("ciphertext: " .. cipherOutput)
+
+start = util.time()
+local decipher = v.decipher()
+    .setKey(v.key)
+    .setBlockCipher(AES128Cipher)
+    .setPadding(v.padding);
+util.println("decipher init: took " .. (util.time() - start) .. "ms")
+
+start = util.time()
+local plainOutput = decipher
+            .init()
+            .update(Stream.fromArray(v.iv))
+            .update(Stream.fromHex(cipherOutput))
+            .asHex();
+util.println("decrypt: took " .. (util.time() - start) .. "ms")
+local a = Stream.fromHex(plainOutput)
+local b = Stream.toString(a)
+util.println("plaintext: " .. b)
+
+local msg = "000102030405060708090A0B0C0D0E0F" .. cipherOutput
+
+start = util.time()
+local hash = HMAC()
+    .setBlockSize(64)
+    .setDigest(SHA1)
+    .setKey(keyd)
+    .init()
+    .update(Stream.fromHex(msg))
+    .finish()
+    .asHex();
+util.println("hmac: took " .. (util.time() - start) .. "ms")
+util.println("hash: " .. hash)