Richard Salz wrote:
Being able to load/save the digest state is a good idea. Management of
the buffer should be left to the caller, however. Much simpler and
cleaner that way. For example, work like the DER/i2d routines: if given a
NULL pointer, return how much space is needed. Or provide something like
the RSA_size function which tells you how much space is needed to store
the state.
That approach is fine too, and more traditional.
The current patch allows slightly easier code in all applications using
it (it saves them a 'get size' call, a malloc and a check if the malloc
succeeded).
I'll post an updated version of the patch later.
Nanno
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