On Wed, Apr 02, 2025 at 07:01:25PM +0530, T Pratham wrote: > > How are you planning to restore such states in import if the export is > to be made compatible with sha512_state? Do you have any pointers for me > on how to change the import/export before sending the next revision of > my driver? In struct sha512_state buflen is simply stored in the lower bits of count[0]. So when you import count[0] you can derive buflen from it as buflen = count[0] & (SHA512_BLOCK_SIZE - 1); Of course when you're exporting don't forget to put buflen into the lower bits of count[0] before you write it out. Cheers, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
