|  |  |  |  | 
| LEADER | 00689cam a2200193 7i4500 | 
| 001 | 0000016984 | 
| 005 | 20220926090000.0 | 
| 020 |  |  | |a 9780691183312 | 
| 090 | 0 | 0 | |a 005.8/HOL | 
| 100 | 1 |  | |a Holden, Joshua | 
| 245 | 0 | 0 | |a The Mathematics of Secrets :  
  |b Cryptography from Caesar Ciphers to Digital Encryption   
  |c by Joshua Holden. | 
| 260 |  |  | |a Princeton, New Jersey:  
  |b Princeton University Press,,  
  |c c2019. | 
| 300 |  |  | |a xiv, 373 pages:  
  |b illustrations;  
  |c 24 cm. | 
| 500 |  |  | |a Includes bibliographical references and index. | 
| 650 |  | 0 | |a Computer security. | 
| 650 |  | 0 | |a Cryptography --  
  |x Mathematics. | 
| 650 |  | 0 | |a Ciphers. | 
| 999 |  |  | |a 1000026887 
  |b Book 
  |c Green Spot | 
| 999 |  |  | |a 1000026888 
  |b Book 
  |c Red Spot |