semi-preditcable OTPs

2005-10-25 Thread Travis H.
I recall reading somewhere that the NSA got ahold of some KGB numeric OTPs (in the standard five-digit groups). They found that they contained corrections, typos, and showed definite non-random characteristics. Specifically, they had a definite left-hand right-hand alternation, and tended to not

Re: semi-preditcable OTPs

2005-10-25 Thread leichter_jerrold
| I recall reading somewhere that the NSA got ahold of some KGB numeric | OTPs (in the standard five-digit groups). They found that they | contained corrections, typos, and showed definite non-random | characteristics. Specifically, they had a definite left-hand | right-hand alternation, and

Re: semi-preditcable OTPs

2005-10-25 Thread Joseph Ashwood
- Original Message - From: Travis H. [EMAIL PROTECTED] Subject: semi-preditcable OTPs Despite [flawed OTPs], the NSA wasn't able to crack any messages. My question is, why? I think I know the reason, and that is that any predictability in a symbol of the OTP correlated

Re: semi-preditcable OTPs

2005-10-25 Thread Steven M. Bellovin
In message [EMAIL PROTECTED], Trav is H. writes: I recall reading somewhere that the NSA got ahold of some KGB numeric OTPs (in the standard five-digit groups). They found that they contained corrections, typos, and showed definite non-random characteristics. Specifically, they had a definite