|  | 1 | 
            
              | ECB |  
              | DES modes of operation, Electronic Code Book; FIPS Pub 81 (1981); ANSI X3.106; ISO 8372 (64 bits); ISO/IEC 10116 (n-bits). |  | 
        
          |  | 2 | 
            
              | CBC |  
              | DES modes of operation, Cipher Block Chaining; FIPS Pub 81 (1981); ANSI X3.106; ISO 8372 (64 bits); ISO/IEC 10116 (n-bits). |  | 
        
          |  | 3 | 
            
              | CFB1 |  
              | DES modes of operation, Cipher feedback; FIPS Pub 81 (1981); ANSI X3.106; ISO 8372 (64 bits); ISO/IEC 10116 (n-bits). |  | 
        
          |  | 4 | 
            
              | CFB8 |  
              | DES modes of operation, Cipher feedback; FIPS Pub 81 (1981); ANSI X3.106; ISO 8372 (64 bits); ISO/IEC 10116 (n-bits). |  | 
        
          |  | 5 | 
            
              | OFB |  
              | DES modes of operation; FIPS Pub 81 (1981); ISO 8372 (64 bits); ISO 10116 (n-bits). |  | 
        
          |  | 16 | 
            
              | DSMR |  
              | Digital Signature scheme giving Message Recovery. ISO/IEC 9796. |  | 
        
          |  | 17 | 
            
              | CFB64 |  
              | DES mode of operation, cipher feedback; ISO/IEC 10116 (n-bits). |  | 
        
          |  | 23 | 
            
              | TCBC |  
              | TDEA mode of operation, Cipher Block Chaining, ANSI X9.52. |  | 
        
          |  | 24 | 
            
              | TCBC-I |  
              | TDEA mode of operation, Cipher Block Chaining - Interleaved, ANSI X9.52. |  | 
        
          |  | 25 | 
            
              | TCFB1 |  
              | TDEA mode of operation, Cipher Feedback - 1 bit feedback, ANSI X9.52. |  | 
        
          |  | 26 | 
            
              | TCFB8 |  
              | TDEA mode of operation, Cipher Feedback - 8 bit feedback, ANSI X9.52. |  | 
        
          |  | 27 | 
            
              | TCFB64 |  
              | TDEA mode of operation, Cipher Feedback - 64 bit feedback, ANSI X9.52. |  | 
        
          |  | 28 | 
            
              | TCFB1-P |  
              | TDEA mode of operation, Cipher Feedback Pipelined - 1 bit feedback, ANSI X9.52. |  | 
        
          |  | 29 | 
            
              | TCFB8-P |  
              | TDEA mode of operation, Cipher Feedback Pipelined - 8 bit feedback, ANSI X9.52. |  | 
        
          |  | 30 | 
            
              | TCFB64-P |  
              | TDEA mode of operation, Cipher Feedback Pipelined - 64 bit feedback, ANSI X9.52. |  | 
        
          |  | 31 | 
            
              | TOFB |  
              | TDEA mode of operation, Output Feedback Mode, ANSI X9.52. |  | 
        
          |  | 32 | 
            
              | TOFB-P |  
              | TDEA mode of operation, Output Feedback Mode Pipelined, ANSI X9.52. |  | 
        
          |  | 33 | 
            
              | TCBCM |  
              | TDEA mode of operation, Cipher Block Chaining with output feedback Masking, ANSI X9.52. |  | 
        
          |  | 34 | 
            
              | TCBCM-I |  
              | TDEA mode of operation, Cipher Block Chaining with output feedback Masking Interleaved, ANSI X9.52. |  | 
        
          |  | 35 | 
            
              | TECB |  
              | TDEA mode of operation, Electronic Cookbook Mode, ANSI X9.52. |  | 
        
          |  | 36 | 
            
              | CTS |  
              | RC5 mode of operation, Cipher Text Stealing, Published in RCF 2040. |  | 
        
          |  | ZZZ | 
            
              | Mutually agreed |  
              | Mutually agreed between trading partners. |  |