[xmlsec] Stupid question about encryption with xml

[ARM Micro]

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Hello all!

    I'm testing the encrypt1.c example. It happens a strange thing. The=
 output file with the ciphered content is different each time I execute=
 it. However I'm using a symmetric key. My question is: Shouldn't the o=
utput file be the same? or on the contrary when the data are build, is =
it inserted new information that makes the content different?
Could you be so kind to help me, please?

See you.


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