34.10-94. , , DS. :
- 509 512 1020 1024 ;
q - (-1) , 254...256 ;
- , (-1) , , q mod p = 1 ;
- , q ;
= x mod .
, - () . 34.11-94 -, 28147-89.
, q, . . . m , , .
1. k , k<q .
3. r = (k mod p) mod p, s = ( * r + k ((m))) mod p.
(m) mod q = 0 , (m) mod q . r=0 , k .
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5. v = (m)q-2 mod q,6. z1 = (s * v) mod q,7. z2 = ((q-r) * v) mod q, u = ((z1 * z2) mod ) mod p.u = r , .
DS , DS
s = (k-1 ( * r + ((m)))) mod q,.
, q 256 . q 160 . q .
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800 Kb 80 10
820 Kb 82 10
830 Kb 83 10 ( )
1.44 Mb 80 18
1.52 Mb 80 19
1.6 Mb 80 20
1.68 Mb 80 21 (*)
1.72 Mb 82 21 (*)
1.74 Mb 83 21 (*) ( )
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FAT12.