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SOVIET VOROSHILOV ACADEMY LECTURES

 

CRYPTOGRAPHIC SECURITY INSTRUCTIONS


 

To the Army Chief of Staff:

1. Documents to be used:

----- - conversation table ( # 0460A)
----- - code table (# 0891B)

2. After ______(date) use the following code keys:

----- - for conversation table - key series #3 column #65
----- - for code table ___, key series # 2

3. Alternate code keys

----- - for conversation
----- - for code table

4. Signal for switch to alternate code keys___.

5. Report compromise of code key by signal___

_______________ ______________________

Chief of cipher Chief of Staff of Front section