OpenSAML user discussion

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I am using openSAML1.1 for generating SAML 1.0 assertions and signing
it. I realised that openSAML1.1 by default uses
http://www.w3.org/2001/10/xml-exc-c14n# algorithm for canonicalization.
Since XML canonicalization is used, inserted a space between two
elements in a signed assertion and with this signature validation
started failing. Why is the signature validation failing ?? According to
my undersatnding a space between two XML elements shouldn't have
contributed to the digest value when canonicalization is used. If this
is a known issue, is it fixed in opensaml 2.X ??

Thanks,
Bharath