diff options
author | Bodo Möller <bodo@openssl.org> | 2000-11-26 16:42:38 +0000 |
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committer | Bodo Möller <bodo@openssl.org> | 2000-11-26 16:42:38 +0000 |
commit | 78a0c1f18d5a1f0e51b7467ef7b153b8c29fbb03 (patch) | |
tree | 631b1606ee2f90a5fcaf2f141461113d30c7f5a8 /CHANGES | |
parent | 6cc5e19d4710d7d3355bf6fa05c3d7269e48428f (diff) |
modular arithmetics
"make update"
Diffstat (limited to 'CHANGES')
-rw-r--r-- | CHANGES | 27 |
1 files changed, 26 insertions, 1 deletions
@@ -1,9 +1,34 @@ - OpenSSL CHANGES _______________ Changes between 0.9.6 and 0.9.7 [xx XXX 2000] + *) New function BN_swap. + [Bodo Moeller] + + *) Use BN_nnmod instead of BN_mod in crypto/bn/bn_exp.c so that + the exponentiation functions are more likely to produce reasonable + results on negative inputs. + [Bodo Moeller] + + *) Change BN_mod_mul so that the result is always non-negative. + Previously, it could be negative if one of the factors was negative; + I don't think anyone really wanted that behaviour. + [Bodo Moeller] + + *) Move BN_mod_... functions into new file crypto/bn/bn_mod.c + (except for exponentation, which stays in crypto/bn/bn_exp.c, + and BN_mod_mul_reciprocal, which stays in crypto/bn/bn_recp.c) + and add new functions: + BN_nnmod + BN_mod_sqr + BN_mod_add + BN_mod_sub + These functions always generate non-negative results. + BN_nnmod otherwise is like BN_mod (if BN_mod computes a remainder r + such that |m| < r < 0, BN_nnmod will output rem + |m| instead). + [Lenka Fibikova <fibikova@exp-math.uni-essen.de>, Bodo Moeller] + *) Remove a few calls to bn_wexpand() in BN_sqr() (the one in there was actually never needed) and in BN_mul(). The removal in BN_mul() required a small change in bn_mul_part_recursive() and the addition |