diff options
Diffstat (limited to 'src/lib/pubkey/mce/workfactor.cpp')
-rw-r--r-- | src/lib/pubkey/mce/workfactor.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/lib/pubkey/mce/workfactor.cpp b/src/lib/pubkey/mce/workfactor.cpp index e7cf631d4..9594c0aab 100644 --- a/src/lib/pubkey/mce/workfactor.cpp +++ b/src/lib/pubkey/mce/workfactor.cpp @@ -8,6 +8,7 @@ */ #include <botan/mceliece.h> +#include <botan/internal/bit_ops.h> #include <cmath> namespace Botan { @@ -91,8 +92,10 @@ double best_wf(size_t n, size_t k, size_t w, size_t p) } -size_t mceliece_work_factor(size_t n, size_t k, size_t t) +size_t mceliece_work_factor(size_t n, size_t t) { + const size_t k = n - ceil_log2(n) * t; + double min = cout_total(n, k, t, 0, 0); // correspond a p=1 for(size_t p = 0; p != t / 2; ++p) { |