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| author | J08nY | 2023-10-05 15:35:47 +0200 |
|---|---|---|
| committer | J08nY | 2023-10-05 15:35:47 +0200 |
| commit | 522d646c34f702492a1f8d8f87a1daecdeeb6df4 (patch) | |
| tree | 5e569f72d990287fb78258e6ef4127a355d1a792 /pyecsca/codegen | |
| parent | 30ad1d48422655001c64a6982f7f97208b802df3 (diff) | |
| download | pyecsca-codegen-522d646c34f702492a1f8d8f87a1daecdeeb6df4.tar.gz pyecsca-codegen-522d646c34f702492a1f8d8f87a1daecdeeb6df4.tar.zst pyecsca-codegen-522d646c34f702492a1f8d8f87a1daecdeeb6df4.zip | |
Fix montgomery reduction.
Diffstat (limited to 'pyecsca/codegen')
| -rw-r--r-- | pyecsca/codegen/bn/bn.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/pyecsca/codegen/bn/bn.c b/pyecsca/codegen/bn/bn.c index 13d7134..5e9164a 100644 --- a/pyecsca/codegen/bn/bn.c +++ b/pyecsca/codegen/bn/bn.c @@ -166,7 +166,11 @@ bn_err bn_mod(const bn_t *one, const bn_t *mod, bn_t *out) { bn_err bn_red_init(red_t *out) { #if REDUCTION == RED_MONTGOMERY - return bn_init(&out->montgomery_renorm); + bn_err err; + if ((err = bn_init(&out->montgomery_renorm)) != BN_OKAY) { + return err; + } + return bn_init(&out->montgomery_renorm_sqr); #elif REDUCTION == RED_BARRETT return bn_init(&out->barrett); #endif @@ -337,6 +341,7 @@ bn_err bn_red_reduce(const bn_t *mod, const red_t *red, bn_t *what) { void bn_red_clear(red_t *out) { #if REDUCTION == RED_MONTGOMERY bn_clear(&out->montgomery_renorm); + bn_clear(&out->montgomery_renorm_sqr); #elif REDUCTION == RED_BARRETT bn_clear(&out->barrett); #endif |