Re: Can someone please check these figures

From: Nigel Smart (nigel_at_cs.bris.ac.uk)
Date: 07/26/04 

Date: Mon, 26 Jul 2004 11:03:21 GMT

Robert wrote:
> I am trying to encrypt the following using RSA
>
> p = 257, q=263, e = 7, Letter for Encrption = R (ascii 82).
>
> hence:
> N= 67591
>
> C = 82^7 mod 67591
> C=59156
>
> so the encrypted value is 59156
>
> However to I have trouble decrypting it:
>
> phi:67072
> d:38327

Dont do the following....

> C^d:433370372864891793361365563191187492639486140446836071782674040345154835633626032994202073684903505243341240218748940410

Nigel 

-- 
Dr Nigel P. Smart                  | Phone: +44 (0)117 954 5163
Computer Science Department,       | Fax:   +44 (0)117 954 5208
Woodland Road,                     | Email: nigel@cs.bris.ac.uk
University of Bristol, BS8 1UB, UK | URL:   http://www.cs.bris.ac.uk/~nigel/

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