Check the listing for details. Cryptographic Code Book - One Time Pad's - Book of 100 with vigenere table. Condition: New. Listed at 100.00 USD. Very high degree of randomness. These are not 'computer' generated. Sold in sets of two identical books. Pictured code page is example only. Cypher table may differ slightly. Generated with radioactive decay, letter codes, five per group, 140 characters per page.

$50.00
$100.00