bmjjr · December 22, 2021 05:39 · Oct 1, 2020
diff --git a/main.py b/main.py
@@ -0,0 +1,35 @@
+import hashlib
+
+SCOPEID = '0000000000000000'
+Model   = 'SDS2000X+'
+
+# Note that 'AWG' should be used for the 'FG' option
+# If you have the 100 MHz model, then first upgrade it to 200 MHz, then 350 MHz and finally 500 MHz
+bwopt = ('25M', '40M', '50M', '60M', '70M', '100M', '150M', '200M', '250M', '300M', '350M', '500M', '750M', '1000M', 'MAX', 'AWG', 'WIFI', 'MSO', 'FLX', 'CFD', 'I2S', '1553', 'PWA')
+
+hashkey = '5zao9lyua01pp7hjzm3orcq90mds63z6zi5kv7vmv3ih981vlwn06txnjdtas3u2wa8msx61i12ueh14t7kqwsfskg032nhyuy1d9vv2wm925rd18kih9xhkyilobbgy'
+
+def gen(x):
+    h = hashlib.md5((
+        hashkey +
+        (Model+'\n').ljust(32, '\x00') +
+        x.ljust(5, '\x00') +
+        2*((SCOPEID + '\n').ljust(32, '\x00')) +
+        '\x00'*16).encode('ascii')
+    ).digest()
+    key = ''
+    for b in h:
+        if (b <= 0x2F or b > 0x39) and (b <= 0x60 or b > 0x7A):
+            m = b % 0x24
+            b = m + (0x57 if m > 9 else 0x30)
+        if b == 0x30: b = 0x32
+        if b == 0x31: b = 0x33
+        if b == 0x6c: b = 0x6d
+        if b == 0x6f: b = 0x70
+        key += chr(b)
+    return key.upper()
+
+for opt in bwopt:
+    n = 4
+    line = gen(opt)
+    print('{:5} {}'.format(opt, [line[i:i+n] for i in range(0, len(line), n)]))