南昌大学|中正论坛
标题:
谁能帮我解解这两道题是怎么解决的(有关网络密码问题)
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作者:
yagby
时间:
2006-12-28 17:18
标题:
谁能帮我解解这两道题是怎么解决的(有关网络密码问题)
1
．设用户
A
有
m=m
i
p=5039,q=5052,e= m
i
,
求用户
A
对
m
的签名（这里
i=
卷面号）
2
．设
M=0X
（
abc34567
‖
m
i
‖
m
i
），求
SHA-1
中
i=1
时步
3
之
t=2
时
a,b,c,d,e
的值。
m
i
取值表
m
1
=6143 m
2
=6151, m
3
=6153, m
4
=6173, m
5
=6197, m
6
=6199,
m
7
=6203 m
8
=6203 m
9
=6217 m
10
=6221 m
11
=6229 m
12
=6247
m
13
=6257 m
14
=6263 m
15
=6269 m
16
=6271 m
17
=6277 m
18
=6287
m
19
=6299 m
20
=6301 m
21
=6311 m
22
=6317 m
2
3
=6323 m
24
=6329
m
25
=6337 m
26
=6343 m
27
=6353 m
28
=6359 m
29
=6361 m
30
=6367
m
31
=6373 m
32
=6379 m
33
=6389 m
34
=6397 m
35
=6321 m
36
=6327
m
37
=6449 m
38
=6451 m
39
=6469 m
40
=6473 m
41
=6481 m
42
=6491
m
43
=6521 m
44
=6529 m
45
=6547 m
46
=6551 m
47
=6553 m
48
=6563
m
49
=6569 m
50
=6571 m
51
=6577 m
52
=6581 m
53
=6599 m
54
=6607
m
55
=6619 m
56
=6637 m
57
=6653 m
58
=6659 m
59
=6661 m
60
=6673
m
61
=6679 m
62
=6689 m
63
=6691 m
64
=6701 m
65
=6703 m
66
=6709
m
67
=6719 m
68
=6733 m
69
=6737 m
70
=6761
作者:
yagby
时间:
2006-12-28 17:19
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