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Bodo Möller 2003-02-07 11:54:57 +00:00
parent 24893ca999
commit 82871eaa17
1 changed files with 7 additions and 0 deletions
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7
crypto/ec/ec_mult.c
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@ -795,6 +795,13 @@ CRYPTO_push_info("ec_wNAF_precompute_mult");
} }
bits = BN_num_bits(order); bits = BN_num_bits(order);
/* The following parameters mean we precompute (approximately)
* one point per bit.
*
* TBD: The combination 8, 4 is perfect for 160 bits; for other
* bit lengths, other parameter combinations might provide better
* efficiency.
*/
blocksize = 8; blocksize = 8;
w = 4; w = 4;
if (EC_window_bits_for_scalar_size(bits) > w) if (EC_window_bits_for_scalar_size(bits) > w)