Hi,
I need to write an xml security library to encrypt and decrypt xml
documents. For that I need to use openssl as the crypto library and do
not have a clear idea how to use it for block ciphers(e.g. DES). Later I
have to support signing as well. Can somebody direct me to few openssl
samples ? I googled a bit but couldn't find specific samples for block
ciphers. :(
Also I have following questions
1. Is it possible to just pass the cipher name , IV, key , intext to a
openssl function and get the output ? OR do we have to use chaining
depending on the size of the intext? Are their ant other factors that
someone has to use EVP_CipherUpdate multiple times?
2. Do I need to prepare the intext before the transformation?
Thanks,
Kaushalye
PS: I've noticed that xmlsec is such a library which is using openssl.
But according to my requirements its much better to have my own one.
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