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Improved modular exponentiation (automatic window optimisation if there is enough room).

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This commit is contained in:
Thomas Pornin 2017-01-24 19:35:04 +01:00
parent a7e6409c37
commit 556e525d62
6 changed files with 268 additions and 44 deletions
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3
src/inner.h
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@ -1102,6 +1102,9 @@ void br_i15_to_monty(uint16_t *x, const uint16_t *m);
void br_i15_modpow(uint16_t *x, const unsigned char *e, size_t elen,
const uint16_t *m, uint16_t m0i, uint16_t *t1, uint16_t *t2);
uint32_t br_i15_modpow_opt(uint16_t *x, const unsigned char *e, size_t elen,
const uint16_t *m, uint16_t m0i, uint16_t *tmp, size_t twlen);
void br_i15_encode(void *dst, size_t len, const uint16_t *x);
uint32_t br_i15_decode_mod(uint16_t *x,