Hi,
There is a problem with the cswift engine:
- in cswift_mod_exp_crt, it expects the length of dmp1 and dmq1 to
be a multiple of 32, which is not always the case, the patch complements
the datas with '\0' until the length is a multiple of 32.
- in cswift_rand_bytes, it expects num to be a multiple of 32, which
is not always the case, the patch make sure le length passed to
p_CSwift_SimpleRequest is always a multiple of 32, by optionnaly using
an intermetiade buffer.
These problems have been notified to Rainbow, which has been able to
reproduce the problem. The patch has been validated by their support
service.
Regards,
--
Frédéric Giudicelli
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Fax : +33 (0)1 40 07 47 27
deny all - 5, rue Scribe - 75009 Paris - France
www.deny-all.com
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