Re: Cracking decrypted file when knowing partial contents

From: Adfa (adfa_at_noname.com)
Date: 04/21/04 

Date: Wed, 21 Apr 2004 21:36:52 +1000

>. Most home grown schemes -- whether
> by some backwoodman encrypting his diary, or Microsoft or some other
> software company including "encryption" with their products--
> are bad. Only use well known schemes which have had lots of scrutiny by
> the community.

Hi, thanks for all the responses everyone.

Which of the following would be considered to be good encryption schemes (MS
Word):

RC4, Microsoft Enhanced Cryptographic Provider 1.0 128-bit
RC4, Microsoft Enhanced DSS and Diffie-Hellman Cryptographic Provider
128-bit
RC4, Microsoft Enhanced RSA and AES Cryptographic Provider (Prototype)
128-bit
RC4, Microsoft RSA SChannel Cryptographic Provider 128-bit
RC4, Microsoft Strong Cryptographic Provider 128-bit

with a password of more than 8 characters (mixed char and numeric)

Relevant Pages

  • Access97 Encryption Information
    ... encryption is used by MS Access 97? ... RC4, Microsoft Base Cryptographic Provider ... Cryptographic Provider • RC4, Microsoft DH SChannel ...
    (microsoft.public.access.security)
  • Excel security flaw
    ... same keystream to encrypt two different documents. ... Microsoft uses the RC4 stream cipher in both Word and Excel. ...
    (microsoft.public.excel.programming)
  • RC4, Microsoft Strong Cryptographic Provider 128
    ... I am using Excel on my computer and saving a program/workbook using "RC4, ... Microsoft Strong Cryptographic Provider 128". ... Cryptographic Provider 128" encryption is not available. ...
    (microsoft.public.excel.programming)
  • Re: Cracking decrypted file when knowing partial contents
    ... ]> by some backwoodman encrypting his diary, or Microsoft or some other ... ]RC4, Microsoft Enhanced DSS and Diffie-Hellman Cryptographic Provider ...
    (comp.security.misc)
  • Re: Cracking decrypted file when knowing partial contents
    ... ]> by some backwoodman encrypting his diary, or Microsoft or some other ... ]RC4, Microsoft Enhanced DSS and Diffie-Hellman Cryptographic Provider ...
    (sci.crypt)