bn/bn_gf2m.c: make new BN_GF2m_mod_inv work with BN_DEBUG_RAND.

This commit is contained in:
Andy Polyakov 2012-03-29 21:35:28 +00:00
parent 23a05fa0c1
commit 4736eab947

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@ -631,8 +631,11 @@ int BN_GF2m_mod_inv(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)
} }
if (ubits==vbits) if (ubits==vbits)
{ {
bn_correct_top(u); BN_ULONG u;
ubits = BN_num_bits(u); int utop = (ubits-1)/BN_BITS2;
while ((u=udp[utop])==0 && utop) utop--;
ubits = utop*BN_BITS2 + BN_num_bits_word(u);
} }
} }
bn_correct_top(b); bn_correct_top(b);