Add some stuffs

python/foobar/three/hash_someone_else.py

@@ -0,0 +1,19 @@
+def step(digest,prev_m):
+    k = 0
+    while True:
+        rem = ((digest ^ prev_m) + k * 256) % 129
+        if rem == 0:
+            return ((digest ^ prev_m) + k * 256) / 129
+        else:
+            k = k + 1
+
+def answer(digest):
+    prev = 0
+    message = []
+    for index, num in enumerate(digest):
+        if index == 0:
+            message.append(step(num,0))
+        else:
+            message.append(step(num,message[-1]))
+
+    return message

python/utils/connect.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+
+import socket
+import sys
+
+def get_header(sock):
+    try:
+        data = sock.recv(4096, socket.MSG_DONTWAIT) # 0x40 : O_NONBLOCK
+        #sys.stdout.write(data)
+        print(data.decode("utf-8"), end="")
+    except socket.error as msg:
+        # Nothing left
+        pass
+
+try:
+    sock = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
+except socket.error as msg:
+    print(msg)
+    sys.exit(1)
+
+try:
+    sock = socket.create_connection((sys.argv[1], sys.argv[2]),60)
+except socket.error as msg:
+    print(msg)
+    sock.close()
+    sys.exit(1)
+
+if sock is None:
+    print('Unable to connect')
+    sys.exit(2)
+
+#sock.setblocking(0)
+sock.shutdown(socket.SHUT_WR)
+print("Connected to %s:%s" % (sys.argv[1],sys.argv[2]))
+get_header(sock)
+sock.close()