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Clarifying comment.

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This commit is contained in:
Bodo Möller 2008-05-02 18:47:48 +00:00
parent 19048b5c8d
commit fabe640f5e
1 changed files with 5 additions and 0 deletions
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5
crypto/bn/bn_mont.c
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@ -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;