From 1202a2156f30d7c03be6dd38089997ea29dd1f50 Mon Sep 17 00:00:00 2001
From: Giulio De Pasquale <giulio@depasquale.eu>
Date: Mon, 29 May 2017 16:08:47 +0200
Subject: [PATCH] Ordine nelle cartelle. Modificato encrypt+decrypt

---
 asms/encrypt.pstc               | 128 --------------------------------
 polictf/pasticciotto_local.cpp  | 115 ----------------------------
 polictf/pasticciotto_server.cpp |  81 --------------------
 test/tea-decrypt.c              |  27 -------
 test/tea-encrypt.c              |  44 -----------
 5 files changed, 395 deletions(-)
 delete mode 100644 asms/encrypt.pstc
 delete mode 100644 polictf/pasticciotto_local.cpp
 delete mode 100644 polictf/pasticciotto_server.cpp
 delete mode 100644 test/tea-decrypt.c
 delete mode 100644 test/tea-encrypt.c

diff --git a/asms/encrypt.pstc b/asms/encrypt.pstc
deleted file mode 100644
index b7623b6..0000000
--- a/asms/encrypt.pstc
+++ /dev/null
@@ -1,128 +0,0 @@
-def datastrlen:
-###############
-# r0 = offset of str in data
-# retval (r0) = strlen
-###############
-push r1
-push r2
-push r3
-movr s2, r0
-movi s1, 0
-lodr s0, s2
-cmpb s0, 0
-jpei exit
-loop:
-movi s2, 0
-addi s1, 1
-addr s2, s1
-lodr s0, s2
-cmpb s0, 0
-jpni loop
-exit:
-movr r0, s1
-poop r3
-poop r2
-poop r1
-retn
-
-def round: # round(uint16_t text[2])
-#################
-# r0 = offset of text[0] in data
-# r1 = offset of text[1] in data
-# r2 = text[0]
-# r3 = text[1]
-# retval = void
-################
-push r1
-push r2
-push r3
-lodr r2, r0 # text[0]
-lodr r3, r1 # text[1]
-movi s0, 0 # i
-movi s1, 0 # sum
-loop:
-push s0 # saving i
-addi s1, 0x626f # sum += delta
-push s1 # saving sum
-# s0 and s1 will be used as tmps
-#########
-# calc v0
-#########
-movr s0, r3
-shli s0, 4
-addi s0, 0x7065 # s0 = (text[1] << 4) + k0
-movr s1, r3
-poop s3 # restoring sum in s3
-addr s1, s3 # s1 = text[1] + sum
-push s3 # saving sum again
-xorr s0, s1 # s0 = ((text[1] << 4) + k0) ^ (text[1] + sum)
-push s0
-movr s0, r3
-shri s0, 5
-addi s0, 0x7065 # s0 = (text[1] >> 5) + k1
-poop s1
-xorr s0, s1 # s0 = ((text[1] << 4) + k0) ^ (text[1] + sum) ^ ((text[1] >> 5) + k1)
-addr r2, s0 # r2 += s0
-#########
-# calc v1
-#########
-movr s0, r2
-shli s0, 4
-addi s0, 0x7275 # s0 = (text[0] << 4) + k2
-movr s1, r2
-poop s3 # restoring sum in s3
-addr s1, s3 # s1 = text[0] + sum
-push s3 # saving sum again
-xorr s0, s1 # s0 = ((text[0] << 4) + k2) ^ (text[0] + sum)
-push s0
-movr s0, r2
-shri s0, 5
-addi s0, 0x6e73 # s0 = (text[0] >> 5) + k3
-poop s1
-xorr s0, s1 # s0 = ((text[0] << 4) + k2) ^ (text[0] + sum) ^ ((text[0] >> 5) + k3)
-addr r3, s0 # r3 += s0
-######
-# end loop
-#####
-poop s1 # restoring sum
-poop s0 # restoring i
-addi s0, 1
-cmpb s0, 127 # while (i < 128)
-jpbi loop
-# saving the values
-strr r0, r2
-strr r1, r3
-poop r3
-poop r2
-poop r1
-retn
-
-def main:
-movi r0, 0xadde
-movi r1, 0x0bb0
-stri 0, r0
-stri 2, r1
-movi r0, 0x0bb0
-movi r1, 0xcefa
-stri 0x4, r0
-stri 0x6, r1
-movi r0, 0
-call datastrlen
-movr r2, r0
-movi s0, 0
-encrypt:
-push s0
-movi r0, 0
-movi r1, 2
-addr r0, s0
-addr r1, s0
-call round
-poop s0
-addi s0, 1
-cmpr s0, r2
-jpbi encrypt
-lodi r0, 0
-lodi r1, 2
-lodi r2, 4
-lodi r3, 6
-shit
\ No newline at end of file
diff --git a/polictf/pasticciotto_local.cpp b/polictf/pasticciotto_local.cpp
deleted file mode 100644
index 7b6c3c9..0000000
--- a/polictf/pasticciotto_local.cpp
+++ /dev/null
@@ -1,115 +0,0 @@
-#include "../vm/vm.h"
-#include <fstream>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-int main(int argc, char *argv[]) {
-  unsigned char banner[] = {
-      0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x5f, 0x20, 0x20, 0x20, 0x5f, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x5f, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x5f, 0x20, 0x20, 0x20, 0x5f, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x5f, 0x5f, 0x20, 0x20, 0x20, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x20, 0x20,
-      0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x20, 0x20, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f,
-      0x5f, 0x0a, 0x7c, 0x20, 0x5f, 0x5f, 0x5f, 0x20, 0x5c, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x20, 0x7c, 0x20, 0x7c, 0x20, 0x28, 0x5f, 0x29, 0x20,
-      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x28, 0x5f, 0x29, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x7c, 0x20, 0x7c, 0x20, 0x7c, 0x20, 0x7c, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x2f, 0x20, 0x20, 0x7c, 0x20, 0x7c, 0x5f, 0x5f, 0x5f, 0x5f, 0x20,
-      0x7c, 0x7c, 0x5f, 0x5f, 0x5f, 0x5f, 0x20, 0x7c, 0x7c, 0x5f, 0x5f, 0x5f,
-      0x20, 0x20, 0x2f, 0x0a, 0x7c, 0x20, 0x7c, 0x5f, 0x2f, 0x20, 0x2f, 0x5f,
-      0x20, 0x5f, 0x20, 0x5f, 0x5f, 0x5f, 0x7c, 0x20, 0x7c, 0x5f, 0x20, 0x5f,
-      0x20, 0x20, 0x5f, 0x5f, 0x5f, 0x20, 0x5f, 0x5f, 0x5f, 0x20, 0x5f, 0x20,
-      0x20, 0x5f, 0x5f, 0x5f, 0x20, 0x7c, 0x20, 0x7c, 0x5f, 0x7c, 0x20, 0x7c,
-      0x5f, 0x20, 0x5f, 0x5f, 0x5f, 0x20, 0x20, 0x20, 0x5f, 0x5f, 0x20, 0x20,
-      0x20, 0x5f, 0x5f, 0x60, 0x7c, 0x20, 0x7c, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x2f, 0x20, 0x2f, 0x20, 0x20, 0x20, 0x20, 0x2f, 0x20, 0x2f, 0x20, 0x20,
-      0x20, 0x2f, 0x20, 0x2f, 0x20, 0x0a, 0x7c, 0x20, 0x20, 0x5f, 0x5f, 0x2f,
-      0x20, 0x5f, 0x60, 0x20, 0x2f, 0x20, 0x5f, 0x5f, 0x7c, 0x20, 0x5f, 0x5f,
-      0x7c, 0x20, 0x7c, 0x2f, 0x20, 0x5f, 0x5f, 0x2f, 0x20, 0x5f, 0x5f, 0x7c,
-      0x20, 0x7c, 0x2f, 0x20, 0x5f, 0x20, 0x5c, 0x7c, 0x20, 0x5f, 0x5f, 0x7c,
-      0x20, 0x5f, 0x5f, 0x2f, 0x20, 0x5f, 0x20, 0x5c, 0x20, 0x20, 0x5c, 0x20,
-      0x5c, 0x20, 0x2f, 0x20, 0x2f, 0x20, 0x7c, 0x20, 0x7c, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x5c, 0x20, 0x5c, 0x20, 0x20, 0x20, 0x20, 0x5c, 0x20, 0x5c,
-      0x20, 0x20, 0x2f, 0x20, 0x2f, 0x20, 0x20, 0x0a, 0x7c, 0x20, 0x7c, 0x20,
-      0x7c, 0x20, 0x28, 0x5f, 0x7c, 0x20, 0x5c, 0x5f, 0x5f, 0x20, 0x5c, 0x20,
-      0x7c, 0x5f, 0x7c, 0x20, 0x7c, 0x20, 0x28, 0x5f, 0x7c, 0x20, 0x28, 0x5f,
-      0x5f, 0x7c, 0x20, 0x7c, 0x20, 0x28, 0x5f, 0x29, 0x20, 0x7c, 0x20, 0x7c,
-      0x5f, 0x7c, 0x20, 0x7c, 0x7c, 0x20, 0x28, 0x5f, 0x29, 0x20, 0x7c, 0x20,
-      0x20, 0x5c, 0x20, 0x56, 0x20, 0x2f, 0x20, 0x5f, 0x7c, 0x20, 0x7c, 0x5f,
-      0x2e, 0x5f, 0x5f, 0x5f, 0x2f, 0x20, 0x2f, 0x2e, 0x5f, 0x5f, 0x5f, 0x2f,
-      0x20, 0x2f, 0x2e, 0x2f, 0x20, 0x2f, 0x20, 0x20, 0x20, 0x0a, 0x5c, 0x5f,
-      0x7c, 0x20, 0x20, 0x5c, 0x5f, 0x5f, 0x2c, 0x5f, 0x7c, 0x5f, 0x5f, 0x5f,
-      0x2f, 0x5c, 0x5f, 0x5f, 0x7c, 0x5f, 0x7c, 0x5c, 0x5f, 0x5f, 0x5f, 0x5c,
-      0x5f, 0x5f, 0x5f, 0x7c, 0x5f, 0x7c, 0x5c, 0x5f, 0x5f, 0x5f, 0x2f, 0x20,
-      0x5c, 0x5f, 0x5f, 0x7c, 0x5c, 0x5f, 0x5f, 0x5c, 0x5f, 0x5f, 0x5f, 0x2f,
-      0x20, 0x20, 0x20, 0x20, 0x5c, 0x5f, 0x28, 0x5f, 0x29, 0x5c, 0x5f, 0x5f,
-      0x5f, 0x2f, 0x5c, 0x5f, 0x5f, 0x5f, 0x5f, 0x28, 0x5f, 0x29, 0x5f, 0x5f,
-      0x5f, 0x5f, 0x2f, 0x20, 0x5c, 0x5f, 0x2f, 0x20, 0x20, 0x20, 0x20, 0x0a,
-      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-      0x20, 0x20, 0x20, 0x0a, 0x20, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f,
-      0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f,
-      0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f,
-      0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f,
-      0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f,
-      0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f,
-      0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f,
-      0x5c, 0x2f, 0x7c, 0x20, 0x20, 0x0a, 0x7c, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c,
-      0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c,
-      0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c,
-      0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c,
-      0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c,
-      0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c,
-      0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c, 0x2f, 0x2f, 0x5c,
-      0x2f, 0x2f, 0x5c, 0x2f, 0x20, 0x20, 0x20};
-  unsigned char bc[] = {
-      0x48, 0x00, 0xde, 0xad, 0x48, 0x01, 0xb0, 0x0b, 0xd4, 0x00, 0x00, 0x00,
-      0xd4, 0x02, 0x00, 0x01, 0x48, 0x00, 0xb0, 0x0b, 0x48, 0x01, 0xfa, 0xce,
-      0xd4, 0x04, 0x00, 0x00, 0xd4, 0x06, 0x00, 0x01, 0x48, 0x00, 0x00, 0x00,
-      0xd8, 0xd9, 0x00, 0xcb, 0x20, 0x48, 0x04, 0x00, 0x00, 0xde, 0x04, 0x48,
-      0x00, 0x00, 0x00, 0x48, 0x01, 0x02, 0x00, 0x39, 0x04, 0x39, 0x14, 0xd8,
-      0x5a, 0x00, 0x5c, 0x04, 0x05, 0x04, 0x01, 0x00, 0xd7, 0x42, 0x93, 0x2d,
-      0x00, 0x22, 0x00, 0x00, 0x00, 0x22, 0x01, 0x02, 0x00, 0x22, 0x02, 0x04,
-      0x00, 0x22, 0x03, 0x06, 0x00, 0x5d, 0xde, 0x01, 0xde, 0x02, 0xde, 0x03,
-      0x12, 0x20, 0x12, 0x31, 0x48, 0x04, 0x00, 0x00, 0x48, 0x05, 0x00, 0x00,
-      0xde, 0x04, 0x05, 0x05, 0x6f, 0x62, 0xde, 0x05, 0xcb, 0x43, 0x20, 0x04,
-      0x04, 0x00, 0x05, 0x04, 0x65, 0x70, 0xcb, 0x53, 0x5c, 0x07, 0x39, 0x57,
-      0xde, 0x07, 0xb1, 0x45, 0xde, 0x04, 0xcb, 0x43, 0x36, 0x04, 0x05, 0x00,
-      0x05, 0x04, 0x65, 0x70, 0x5c, 0x05, 0xb1, 0x45, 0x39, 0x24, 0xcb, 0x42,
-      0x20, 0x04, 0x04, 0x00, 0x05, 0x04, 0x75, 0x72, 0xcb, 0x52, 0x5c, 0x07,
-      0x39, 0x57, 0xde, 0x07, 0xb1, 0x45, 0xde, 0x04, 0xcb, 0x42, 0x36, 0x04,
-      0x05, 0x00, 0x05, 0x04, 0x73, 0x6e, 0x5c, 0x05, 0xb1, 0x45, 0x39, 0x34,
-      0x5c, 0x05, 0x5c, 0x04, 0x05, 0x04, 0x01, 0x00, 0xf4, 0x04, 0x7f, 0x93,
-      0x6c, 0x00, 0x4e, 0x02, 0x4e, 0x13, 0x5c, 0x03, 0x5c, 0x02, 0x5c, 0x01,
-      0xbb, 0xde, 0x01, 0xde, 0x02, 0xde, 0x03, 0xcb, 0x60, 0x48, 0x05, 0x00,
-      0x00, 0x12, 0x46, 0xf4, 0x04, 0x00, 0x38, 0xff, 0x00, 0x48, 0x06, 0x00,
-      0x00, 0x05, 0x05, 0x01, 0x00, 0x39, 0x65, 0x12, 0x46, 0xf4, 0x04, 0x00,
-      0xae, 0xed, 0x00, 0xcb, 0x05, 0x5c, 0x03, 0x5c, 0x02, 0x5c, 0x01, 0xbb};
-  unsigned int bclen = 264;
-
-  unsigned char opcode_key[] = {0x48, 0x61, 0x76, 0x65, 0x46, 0x75, 0x6e,
-                                0x21, 0x50, 0x6f, 0x6c, 0x69, 0x43, 0x54,
-                                0x46, 0x32, 0x30, 0x31, 0x37, 0x21};
-
-  printf("%s", banner);
-  printf("\nHmmm...\n");
-  VM vm(opcode_key, bc, bclen);
-  vm.run();
-  return 0;
-}
\ No newline at end of file
diff --git a/polictf/pasticciotto_server.cpp b/polictf/pasticciotto_server.cpp
deleted file mode 100644
index 63fdab1..0000000
--- a/polictf/pasticciotto_server.cpp
+++ /dev/null
@@ -1,81 +0,0 @@
-#include "../vm/vm.h"
-#include "../vm/debug.h"
-#include <fstream>
-#include <iostream>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <unistd.h>
-
-#define KEYLEN 15
-#define CODESIZE 0x300
-#define DATAKEYLEN 30
-
-void gen_random(uint8_t *s, const int len) {
-  srand(time(NULL));
-  static const char alphanum[] = "0123456789"
-                                 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-                                 "abcdefghijklmnopqrstuvwxyz";
-  for (int i = 0; i < len; ++i) {
-    s[i] = alphanum[rand() % (sizeof(alphanum) - 1)];
-  }
-
-  s[len] = 0;
-}
-
-unsigned char encrypted_data[] = {
-    0xcc, 0x8d, 0x5a, 0xcc, 0x73, 0xb5, 0xf2, 0xa3, 0xf3, 0x92,
-    0xa8, 0x8f, 0x2f, 0xf1, 0x3e, 0xf4, 0x69, 0x00, 0x4a, 0xcb,
-    0xed, 0xc4, 0x57, 0x9b, 0xf6, 0x9a, 0x78, 0x46, 0x83, 0xe9};
-unsigned int encrypted_data_len = 30;
-
-int main(int argc, char *argv[]) {
-  uint8_t *key = new uint8_t[KEYLEN], *decdatasec = new uint8_t[DATAKEYLEN],
-          *flag = new uint8_t[DATAKEYLEN];
-  uint8_t *clientcode;
-  uint8_t i;
-  uint32_t clientcodesize, bytesread;
-  FILE *datap, *flagp;
-
-  gen_random(key, KEYLEN);
-  printf("Use this: \"%s\"\n", key);
-  printf("How much data are you sending me?\n");
-  scanf("%d", &clientcodesize);
-  printf("Go ahead then!\n");
-  clientcode = new uint8_t[clientcodesize];
-  bytesread = read(0, clientcode, clientcodesize);
-  if (bytesread != clientcodesize) {
-    printf("ERROR! Couldn't read everything!\n");
-    exit(1);
-  }
-  VM vm(key, clientcode, clientcodesize);
-  vm.as.insData(encrypted_data, encrypted_data_len);
-  vm.run();
-
-  datap = fopen("./res/decrypteddatasection.txt", "r");
-  if (datap == NULL) {
-      printf("Couldn't open decrypteddatasection.txt!\n");
-      exit(1);
-  }
-  fscanf(datap, "%s", decdatasec);
-  fclose(datap);
-
-  for (i = 0; i < DATAKEYLEN; i++) {
-    if (vm.as.data[i] != decdatasec[i]) {
-        DBG_INFO(("Checking data[%d]..\n", i));
-      printf("Nope!\n");
-      exit(1);
-    }
-  }
-
-  flagp = fopen("./res/flag.txt", "r");
-  if (flagp == NULL) {
-      printf("Couldn't open flag.txt!\n");
-      exit(1);
-  }
-  fscanf(flagp, "%s", flag);
-  fclose(flagp);
-  printf("Congratulations!\nThe flag is: %s\n", flag);
-  return 0;
-}
\ No newline at end of file
diff --git a/test/tea-decrypt.c b/test/tea-decrypt.c
deleted file mode 100644
index aadd820..0000000
--- a/test/tea-decrypt.c
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-void decrypt(uint32_t *v, uint32_t *k) {
-  uint32_t v0 = v[0], v1 = v[1], sum = 0xC6EF3720, i; /* set up */
-  uint32_t delta = 0x9e3779b9; /* a key schedule constant */
-  uint32_t k0 = k[0], k1 = k[1], k2 = k[2], k3 = k[3]; /* cache key */
-  for (i = 0; i < 32; i++) {                           /* basic cycle start */
-    v1 -= ((v0 << 4) + k2) ^ (v0 + sum) ^ ((v0 >> 5) + k3);
-    v0 -= ((v1 << 4) + k0) ^ (v1 + sum) ^ ((v1 >> 5) + k1);
-    sum -= delta;
-  } /* end cycle */
-  v[0] = v0;
-  v[1] = v1;
-}
-
-int main(int argc, char *argv[]) {
-  if (argc != 3) {
-      printf("Usage: %s text_to_decrypt key", argv[0]);
-      exit(1);
-  }
-  decrypt((uint32_t*)argv[1], (uint32_t*)argv[2]);
-  printf("Result: %s", argv[1]);
-  return 0;
-}
\ No newline at end of file
diff --git a/test/tea-encrypt.c b/test/tea-encrypt.c
deleted file mode 100644
index b1cc23d..0000000
--- a/test/tea-encrypt.c
+++ /dev/null
@@ -1,44 +0,0 @@
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-void encrypt(uint16_t *v) {
-  uint16_t v0 = v[0], v1 = v[1], sum = 0, i; /* set up */
-  uint16_t delta = 0x626f;
-  uint16_t k0 = 0x7065; // "pe"
-  uint16_t k1 = 0x7065; // "pe"
-  uint16_t k2 = 0x7275; // "ru"
-  uint16_t k3 = 0x6e73; // "ns"
-  // printf("v0: 0x%x, v1: 0x%x\n", v0, v1);
-  for (i = 0; i < 128; i++) {
-    sum += delta;
-    v0 += ((v1 << 4) + k0) ^ (v1 + sum) ^ ((v1 >> 5) + k1);
-    v1 += ((v0 << 4) + k2) ^ (v0 + sum) ^ ((v0 >> 5) + k3);
-    // printf("Intermediate v0: 0x%x | v1: 0x%x\n", v0, v1);
-  }
-  // printf("SUM: 0x%x\n", sum);
-  // printf("v0: 0x%x, v1: 0x%x\n", v0, v1);
-  v[0] = v0;
-  v[1] = v1;
-}
-
-int main(int argc, char *argv[]) {
-  uint8_t *buf;
-  uint32_t buflen, i;
-  if (argc != 2) {
-    printf("Usage: %s text_to_encrypt", argv[0]);
-    exit(1);
-  }
-  buflen = strlen(argv[1]);
-  buf = (uint8_t *)malloc(buflen);
-  memcpy(buf, argv[1], buflen);
-  for (i = 0; i < buflen; i++) {
-    encrypt((uint16_t *)&buf[i]);
-  }
-  for (i = 0; i < buflen; i++) {
-    printf("%c", buf[i]);
-  }
-  return 0;
-}
\ No newline at end of file