Re: [WebDNA] Retrieving a PDF from an email

This WebDNA talk-list message is from

2008


It keeps the original formatting.
numero = 101454
interpreted = N
texte = I wrote an encryption tool once in visual basic using XOR, and that resulting case of the null char bit me too. Now my training on encryption amounts to like 3 pages of a book written in 1998, but whatever it is worth, and IF this is the issue, Donovan/Chris what I did was just tell my algorithm to leave the char alone rather than let it XOR on that encryption/decrypt iteration if it happened to be the same char as the one we were about to use from the encrypt/decrypt seed (which would thus XORs into the null char). Now if i understand right, what we are talking about here is trying to decode something encoded by other software, so I immediately profess ignorance since I have never even used WebDNA's Base64 tool let alone what the creator of the pdfs do(es). Anyway like Steve, I was not actually working through (even in my head) what Stuart is doing, just my experience led me to think like this, so sorry if this is just noise. -G On Nov 18, 2008, at 9:15 AM, Kenneth Grome wrote: >> Maybe it's got nothing whatsoever to >> do with the topic ... > > I think it has everything to do with the topic, and I'll bet > that's exactly what's going on here. > > PDF's are binary files so they probably have one or more > null characters in them, and if they do this explains why > WebDNA chokes on them. > > Thanks Steve! > > Sincerely, > Ken Grome > > > > > > >> Don't know if it's relevant to your situation as I >> haven't really been paying attention but, I had problems >> trying to do an XOR thing a while back and I always found >> that WebDNA choked whenever it came up against a null >> character. Neither the decrypt or encode things seemed to >> be able to get past them. May be that's the problem, I >> never did get a workaround.. >> >> Cheers >> PS Maybe it's got nothing whatsoever to do with the >> topic, if so apologies for wasting this precious >> bandwidth!! >> Associated Messages, from the most recent to the oldest:

    
  1. Re: [WebDNA] Retrieving a PDF from an email - SOLUTION (Stuart Tremain 2008)
  2. Re: [WebDNA] Retrieving a PDF from an email (Govinda 2008)
  3. Re: [WebDNA] Retrieving a PDF from an email (Stuart Tremain 2008)
  4. Re: [WebDNA] Retrieving a PDF from an email (Stuart Tremain 2008)
  5. Re: [WebDNA] Retrieving a PDF from an email (Govinda 2008)
  6. Re: [WebDNA] Retrieving a PDF from an email (Kenneth Grome 2008)
  7. Re: [WebDNA] Retrieving a PDF from an email (Steve Craig 2008)
  8. Re: [WebDNA] Retrieving a PDF from an email (Govinda 2008)
  9. Re: [WebDNA] Retrieving a PDF from an email (Kenneth Grome 2008)
  10. Re: [WebDNA] Retrieving a PDF from an email (Stuart Tremain 2008)
  11. Re: [WebDNA] Retrieving a PDF from an email (Kenneth Grome 2008)
  12. Re: [WebDNA] Retrieving a PDF from an email (Stuart Tremain 2008)
  13. Re: [WebDNA] Retrieving a PDF from an email (Kenneth Grome 2008)
  14. Re: [WebDNA] Retrieving a PDF from an email (Stuart Tremain 2008)
  15. Re: [WebDNA] Retrieving a PDF from an email (Stuart Tremain 2008)
  16. Re: [WebDNA] Retrieving a PDF from an email (Stuart Tremain 2008)
  17. Re: [WebDNA] Retrieving a PDF from an email (Stuart Tremain 2008)
  18. [WebDNA] Retrieving a PDF from an email (Stuart Tremain 2008)
I wrote an encryption tool once in visual basic using XOR, and that resulting case of the null char bit me too. Now my training on encryption amounts to like 3 pages of a book written in 1998, but whatever it is worth, and IF this is the issue, Donovan/Chris what I did was just tell my algorithm to leave the char alone rather than let it XOR on that encryption/decrypt iteration if it happened to be the same char as the one we were about to use from the encrypt/decrypt seed (which would thus XORs into the null char). Now if i understand right, what we are talking about here is trying to decode something encoded by other software, so I immediately profess ignorance since I have never even used WebDNA's Base64 tool let alone what the creator of the pdfs do(es). Anyway like Steve, I was not actually working through (even in my head) what Stuart is doing, just my experience led me to think like this, so sorry if this is just noise. -G On Nov 18, 2008, at 9:15 AM, Kenneth Grome wrote: >> Maybe it's got nothing whatsoever to >> do with the topic ... > > I think it has everything to do with the topic, and I'll bet > that's exactly what's going on here. > > PDF's are binary files so they probably have one or more > null characters in them, and if they do this explains why > WebDNA chokes on them. > > Thanks Steve! > > Sincerely, > Ken Grome > > > > > > >> Don't know if it's relevant to your situation as I >> haven't really been paying attention but, I had problems >> trying to do an XOR thing a while back and I always found >> that WebDNA choked whenever it came up against a null >> character. Neither the decrypt or encode things seemed to >> be able to get past them. May be that's the problem, I >> never did get a workaround.. >> >> Cheers >> PS Maybe it's got nothing whatsoever to do with the >> topic, if so apologies for wasting this precious >> bandwidth!! >> Govinda

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