+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
+
+#localeInit()
+#language.addCallback(localeInit)
\ No newline at end of file