Number Theory - Affine Cipher

  • Thread starter pupeye11
  • Start date
  • #1
100
0

Homework Statement



Decipher the following text

KQEREJEBCPPCJCRKIEACUZBKRVPKRBCIBQCARBJCVFCUPKRIOF KPACUZQEPBKRXPEIIEABDKPBCPFCDCCAFIEABDKPBCPFEQPKAZ
BKRHAIBKAPCCIBURCCDKDCCJCIDFUIXPAFFERBICZDFKABICBB
ENEFCUPJCVKABPCYDCCDPKBCOCPERKIVKSCPICBRKIJPKABI


Homework Equations



I know that C->A and B->T

The Attempt at a Solution



that means my two equations are:

2a+b=0 (mod 26)
a+b=19 (mod 26)

I must be solving these wrong. I need to get a decipher equation and I keep getting

d(k)=15(y-5) (mod 26) but that doesnt allow K->O like it should.
 

Answers and Replies

  • #2
100
0
Nevermind, I figured it out.
 

Related Threads on Number Theory - Affine Cipher

  • Last Post
Replies
0
Views
1K
  • Last Post
Replies
3
Views
1K
  • Last Post
Replies
4
Views
953
  • Last Post
Replies
2
Views
1K
  • Last Post
Replies
1
Views
1K
  • Last Post
Replies
2
Views
782
  • Last Post
Replies
3
Views
998
  • Last Post
Replies
2
Views
732
  • Last Post
Replies
4
Views
1K
  • Last Post
Replies
3
Views
1K
Top