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XML digital signature

 
Asit Baran
Greenhorn
Posts: 25
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XML signatures to certain portions of an XML document guarantees that the entire XML document signed has not been modified in transit.(True/ False) ?
 
Ivan Krizsan
Ranch Hand
Posts: 2198
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Hi again!
XML signatures that applies to a part of an XML document can only be used to verify that the part in question has not been tampered with.
Compare to checksumming an array of numbers; if I checksum numbers 1 to 50 in an array holding 100 elements, I have the checksum for the fifty first elements. This does not help me at all if I want to verify the consistency of the second half of the array.
Best wishes!
 
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