diff options
Diffstat (limited to 'src/lib/math/mp/mp_monty.cpp')
| -rw-r--r-- | src/lib/math/mp/mp_monty.cpp | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/src/lib/math/mp/mp_monty.cpp b/src/lib/math/mp/mp_monty.cpp index 7e427b540..88b5de715 100644 --- a/src/lib/math/mp/mp_monty.cpp +++ b/src/lib/math/mp/mp_monty.cpp @@ -2,10 +2,12 @@ * Montgomery Reduction * (C) 1999-2011 Jack Lloyd * 2006 Luca Piccarreta +* 2016 Matthias Gierlings * * Botan is released under the Simplified BSD License (see license.txt) */ +#include <botan/bigint.h> #include <botan/internal/mp_core.h> #include <botan/internal/mp_madd.h> #include <botan/internal/mp_asmi.h> @@ -92,30 +94,25 @@ void bigint_monty_redc(word z[], BOTAN_ASSERT(borrow == 0 || borrow == 1, "Expected borrow"); } -void bigint_monty_mul(word z[], size_t z_size, - const word x[], size_t x_size, size_t x_sw, - const word y[], size_t y_size, size_t y_sw, +void bigint_monty_mul(BigInt& z, const BigInt& x, const BigInt& y, const word p[], size_t p_size, word p_dash, word ws[]) { - bigint_mul(&z[0], z_size, &ws[0], - &x[0], x_size, x_sw, - &y[0], y_size, y_sw); + bigint_mul(z, x, y, &ws[0]); - bigint_monty_redc(&z[0], + bigint_monty_redc(z.mutable_data(), &p[0], p_size, p_dash, &ws[0]); + } -void bigint_monty_sqr(word z[], size_t z_size, - const word x[], size_t x_size, size_t x_sw, - const word p[], size_t p_size, word p_dash, - word ws[]) +void bigint_monty_sqr(BigInt& z, const BigInt& x, const word p[], + size_t p_size, word p_dash, word ws[]) { - bigint_sqr(&z[0], z_size, &ws[0], - &x[0], x_size, x_sw); + bigint_sqr(z.mutable_data(), z.size(), &ws[0], + x.data(), x.size(), x.sig_words()); - bigint_monty_redc(&z[0], + bigint_monty_redc(z.mutable_data(), &p[0], p_size, p_dash, &ws[0]); } |