mirror/mbedtls
1
0
Fork 0
mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2025-04-10 06:44:28 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Reduce code size for exp_mod_get_window_size

Browse Source 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2023-08-09 20:17:40 +01:00
parent ebcd78561c
commit 4883f109a0
1 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
library/bignum_core.c
View File

@ -686,16 +686,16 @@ cleanup:
static size_t exp_mod_get_window_size(size_t Ebits)
{
size_t wsize = (Ebits > 671) ? 6 : (Ebits > 239) ? 5 :
(Ebits > 79) ? 4 : 1;
#if (MBEDTLS_MPI_WINDOW_SIZE < 6)
if (wsize > MBEDTLS_MPI_WINDOW_SIZE) {
wsize = MBEDTLS_MPI_WINDOW_SIZE;
}
#if MBEDTLS_MPI_WINDOW_SIZE >= 6
return (Ebits > 671) ? 6 : (Ebits > 239) ? 5 : (Ebits > 79) ? 4 : 1;
#elif MBEDTLS_MPI_WINDOW_SIZE == 5
return (Ebits > 239) ? 5 : (Ebits > 79) ? 4 : 1;
#elif MBEDTLS_MPI_WINDOW_SIZE > 1
return (Ebits > 79) ? MBEDTLS_MPI_WINDOW_SIZE : 1;
#else
(void) Ebits;
return 1;
#endif
return wsize;
}
size_t mbedtls_mpi_core_exp_mod_working_limbs(size_t AN_limbs, size_t E_limbs)