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:




:

































 

 

 

 


. .4.1




.4.1.

4.1 ()

4

(256 ) (64 )
     
     
     
     

 


4.1 ()

4

(256 ) (64 )
     
     
     
     
     

 


4.1 ()

4

(256 ) (64 )
     

0000100010010110111100101 110001001000001001001011000000111110000 000010001001011011110010111000100000110100111111110100011111 0011100010000111010011101011111001110000100010010110111100101110001000010001101010101110100111011001000011010011111111010001111100110000110100111111110100011111001110001000011101001110101111100111

key.txt . . 4.5 .

 

4.5. .

 

64 ( ). 100001000110101010111010011101100100001 1010011111111010001111100.

Gost , " ". " " "" "". F8, . . 6.4.

 
 
 
. 4.6. .

 

. 28147-89. Gost .

1. ECB. 2814789?

2. .

3. OFB. 2814789?

4. .

5. CFB. 2814789?

6. c .

7. CBC. 2814789?

8. , .

, 1 " ".

5. PGP

PGP.





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