in the good one has all white space preserved and intact. That is all tabs and carriage returns are left intact. Exactly as XMLSec returns it. The bad <ds:Signature ...> block has had xml white space handling performed on it after it was returned from XMLSec, by InfoPath :( . That is carriage returns and tabs have been removed and most of the lines are now strung out on 1 line.I believe Rich already answered you but let me summarize. You have a Document signed
by XMLSec. After that you perform *some* changes in the document. And signature
verification fails. Digital signatures are used to detect *exactly* that situation. And I think
everything happens "as expected".
But since you are asking this question, I guess you think that adding/removing tabs or
spaces is not a big deal for XML. However, this is *not* the case. Whitespaces are important!
For example, consider these two XML fragments:
1)
<WelcomeMessage>Hello, user!</WelcomeMessage>2)
<WelcomeMessage>
Hello, user!
</WelcomeMessage>It might have happened that someone *intentionally* left spaces to move "Hello, user!' string
N chars from left side. XML has no way of knowing that.
Aleksey
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