+rootkey = ['\x9f', '|', '\xe4', 'G', '\xc9', '\xb4', '\xf4', '#', '&', '\xce', '\xb3', '\xfe', '\xda', '\xc9', 'U', '`', '\xd8', '\x8c', 's', 'o', '\x90', '\x9b', '\\', 'b', '\xc0', '\x89', '\xd1', '\x8c', '\x9e', 'J', 'T', '\xc5', 'X', '\xa1', '\xb8', '\x13', '5', 'E', '\x02', '\xc9', '\xb2', '\xe6', 't', '\x89', '\xde', '\xcd', '\x9d', '\x11', '\xdd', '\xc7', '\xf4', '\xe4', '\xe4', '\xbc', '\xdb', '\x9c', '\xea', '}', '\xad', '\xda', 't', 'r', '\x9b', '\xdc', '\xbc', '\x18', '3', '\xe7', '\xaf', '|', '\xae', '\x0c', '\xe3', '\xb5', '\x84', '\x8d', '\r', '\x8d', '\x9d', '2', '\xd0', '\xce', '\xd5', 'q', '\t', '\x84', 'c', '\xa8', ')', '\x99', '\xdc', '<', '"', 'x', '\xe8', '\x87', '\x8f', '\x02', ';', 'S', 'm', '\xd5', '\xf0', '\xa3', '_', '\xb7', 'T', '\t', '\xde', '\xa7', '\xf1', '\xc9', '\xae', '\x8a', '\xd7', '\xd2', '\xcf', '\xb2', '.', '\x13', '\xfb', '\xac', 'j', '\xdf', '\xb1', '\x1d', ':', '?']
+
+def bin2long(s):
+ return reduce( lambda x,y:(x<<8L)+y, map(ord, s))
+
+def long2bin(l):
+ res = ""
+ for byte in range(128):
+ res += chr((l >> (1024 - (byte + 1) * 8)) & 0xff)
+ return res
+
+def rsa_pub1024(src, mod):
+ return long2bin(pow(bin2long(src), 65537, bin2long(mod)))
+
+def decrypt_block(src, mod):
+ if len(src) != 128 and len(src) != 202:
+ return None
+ dest = rsa_pub1024(src[:128], mod)
+ hash = sha.new(dest[1:107])
+ if len(src) == 202:
+ hash.update(src[131:192])
+ result = hash.digest()
+ if result == dest[107:127]:
+ return dest
+ return None
+
+def validate_cert(cert, key):
+ buf = decrypt_block(cert[8:], key)
+ if buf is None:
+ return None
+ return buf[36:107] + cert[139:196]
+
+def read_random():
+ try:
+ fd = open("/dev/urandom", "r")
+ buf = fd.read(8)
+ fd.close()
+ return buf
+ except:
+ return None