diff options
| author | Andy Polyakov <appro@openssl.org> | 2012-03-29 21:35:28 +0000 |
|---|---|---|
| committer | Andy Polyakov <appro@openssl.org> | 2012-03-29 21:35:28 +0000 |
| commit | 4736eab947b470a5b6522da2c8f6bf485e363e52 (patch) | |
| tree | 38eb68a526a21079aff338a6f27e7542ca8d852e /crypto/bn/bn_gf2m.c | |
| parent | 23a05fa0c146b99731b0e83f3928066536c4b1e0 (diff) | |
bn/bn_gf2m.c: make new BN_GF2m_mod_inv work with BN_DEBUG_RAND.
Diffstat (limited to 'crypto/bn/bn_gf2m.c')
| -rw-r--r-- | crypto/bn/bn_gf2m.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/crypto/bn/bn_gf2m.c b/crypto/bn/bn_gf2m.c index 0bfb56971e..e54a701166 100644 --- a/crypto/bn/bn_gf2m.c +++ b/crypto/bn/bn_gf2m.c @@ -631,8 +631,11 @@ int BN_GF2m_mod_inv(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx) } if (ubits==vbits) { - bn_correct_top(u); - ubits = BN_num_bits(u); + BN_ULONG 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); |