From: Bodo Möller <bodo@openssl.org>
Date: Fri, 7 Feb 2003 11:54:57 +0000 (+0000)
Subject: comment
X-Git-Tag: BEN_FIPS_TEST_1~38^2~330
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=82871eaa177142f6d420bf7fabf6502e5a13166f;p=oweals%2Fopenssl.git

comment
---

diff --git a/crypto/ec/ec_mult.c b/crypto/ec/ec_mult.c
index 42cd98181c..937004ac45 100644
--- a/crypto/ec/ec_mult.c
+++ b/crypto/ec/ec_mult.c
@@ -795,6 +795,13 @@ CRYPTO_push_info("ec_wNAF_precompute_mult");
 		}
 
 	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;
 	w = 4;
 	if (EC_window_bits_for_scalar_size(bits) > w)