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| /openbsd/lib/libcrypto/bn/ |
| H A D | bn_mod.c | cd283ea4 Fri Feb 03 05:15:40 GMT 2023 jsing <jsing@openbsd.org> Clean up and simplify BN_mod_lshift{,_quick}().
BN_mod_lshift() already has a BN_CTX available, make use of it rather than
calling BN_dup() and BN_free().
In BN_mod_lshift_quick(), BN_copy() already handles dst == src, so avoid
checking this before the call. The max_shift == 0 case can also be handled
without code duplication. And as with other *_quick() functions, use
BN_ucmp() and BN_usub() directly given the 0 <= a < m constraint.
ok tb@
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