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Clarifying comment.
author
Bodo Möller
<bodo@openssl.org>
Fri, 2 May 2008 18:47:48 +0000
(18:47 +0000)
committer
Bodo Möller
<bodo@openssl.org>
Fri, 2 May 2008 18:47:48 +0000
(18:47 +0000)
crypto/bn/bn_mont.c
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diff --git
a/crypto/bn/bn_mont.c
b/crypto/bn/bn_mont.c
index e3146240b5a52c3efc45a706338bfb3622a4d8b5..7224637ab31edb07834a809615180df5d7cec479 100644
(file)
--- a/
crypto/bn/bn_mont.c
+++ b/
crypto/bn/bn_mont.c
@@
-434,6
+434,11
@@
int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
mont->ri=(BN_num_bits(mod)+(BN_BITS2-1))/BN_BITS2*BN_BITS2;
#if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)
+ /* Only certain BN_BITS2<=32 platforms actually make use of
+ * n0[1], and we could use the #else case (with a shorter R
+ * value) for the others. However, currently only the assembler
+ * files do know which is which. */
+
BN_zero(R);
if (!(BN_set_bit(R,2*BN_BITS2))) goto err;