And neither of you had to share your one-time pads with each other.

But we did learn that this man communicated through one-time pads.

By putting my machinery to work, I was able to break some of the one-time pads.

The code for the overall operation was a one-time pad and he gave it to me.

We talked a long time ago about a one-time pad.

But the biggest mistake made is ever using the one-time pad a second time.

By this time, most Soviet agents were instead using one-time pads.

The proof of security associated with the one-time pad no longer holds.

I carried on until all twenty-one groups had another set of numbers from the one-time pad under them.

Both were found with physical one-time pads in their possession.