[openssl-users] RC5 Incompatibility Issue

[Chetan Quest]

Hi OpenSSL users,


I am working in a project to replace my old third party crypto library with
openSSL crypto library. I have requirement to maintain the compatibility
across the library. i.e. any IP encrypted with older crypto library should
be decrypted by openSSL library. I am facing issue in RC5 algorithm even if
I am using all the parameters (word size, rounds and key length) same. The
older library currently in use is RSA library. They are out of business now
and I have to replace it with openSSL.


OpenSSL library being used is: openssl-1.1.0-stable-SNAP-20180501


Please let me know if I am missing something (any setting/ unknown
parameter etc) or if there is an issue with RC5. Any pointer in this
direction is really appreciated.


Regards.
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