On 02/04/25 19:24, Herbert Xu wrote: > 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); Thanks! I'm assuming then count[1] will store the digest count in sha512 here. Is this the same for SHA256? Since there the count is not an array, so is it then count = (digestcnt << 32) & buflen? > > 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,
