diff options
Diffstat (limited to 'src/math/mp/mp_monty.cpp')
| -rw-r--r-- | src/math/mp/mp_monty.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/math/mp/mp_monty.cpp b/src/math/mp/mp_monty.cpp index d37fb5844..57a2b51a6 100644 --- a/src/math/mp/mp_monty.cpp +++ b/src/math/mp/mp_monty.cpp @@ -18,10 +18,12 @@ extern "C" { /* * Montgomery Reduction Algorithm */ -void bigint_monty_redc(word z[], size_t z_size, +void bigint_monty_redc(word z[], const word p[], size_t p_size, word p_dash, word ws[]) { + const size_t z_size = 2*(p_size+1); + const size_t blocks_of_8 = p_size - (p_size % 8); for(size_t i = 0; i != p_size; ++i) @@ -76,7 +78,7 @@ void bigint_monty_mul(word z[], size_t z_size, &x[0], x_size, x_sw, &y[0], y_size, y_sw); - bigint_monty_redc(&z[0], z_size, + bigint_monty_redc(&z[0], &p[0], p_size, p_dash, &ws[0]); } @@ -89,7 +91,7 @@ void bigint_monty_sqr(word z[], size_t z_size, bigint_sqr(&z[0], z_size, &ws[0], &x[0], x_size, x_sw); - bigint_monty_redc(&z[0], z_size, + bigint_monty_redc(&z[0], &p[0], p_size, p_dash, &ws[0]); } |