Hi all!!
I am trying to sign (detached) some base64-encoded data along with a
SignatureProperty (SigningTime). If I base64-decode the data before signing
and specify C14N transform for the SignatureProperty, everything is OK;
however, if I do not base64-decode the data but I include Base64-decode
transformation instead, keeping C14NTransform for SignatureProperty, I get
the following exception at signing time:
[Fatal Error] :1:1: Content is not allowed in prolog.
org.apache.xml.security.signature.XMLSignatureException: Content is not
allowed in prolog.
Original Exception was
org.apache.xml.security.signature.ReferenceNotInitializedException: Content
is not allowed in prolog.
Original Exception was
org.apache.xml.security.signature.ReferenceNotInitializedException: Content
is not allowed in prolog.
Original Exception was
org.apache.xml.security.signature.XMLSignatureException: Content is not
allowed in prolog.
Original Exception was
org.apache.xml.security.transforms.TransformationException: Content is not
allowed in prolog.
Original Exception was
org.apache.xml.security.c14n.CanonicalizationException: Content is not
allowed in prolog.
Original Exception was org.xml.sax.SAXParseException: Content is not allowed
in prolog.
at org.apache.xml.security.signature.XMLSignature.sign(Unknown Source)
Could somebody so kind as to tell me what is wrong, please?
Thanks in advance.
Marina.
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