diff options
| author | Geoff Thorpe <geoff@openssl.org> | 2003-11-04 22:54:49 +0000 |
|---|---|---|
| committer | Geoff Thorpe <geoff@openssl.org> | 2003-11-04 22:54:49 +0000 |
| commit | d870740cd75dd4f0cb66fb8c32653a7d47369706 (patch) | |
| tree | 0c6cb1ce0b1083c96419c432d1f05c3dff51320d /crypto/bn/bn_div.c | |
| parent | d8ec0dcf457f4dec39f137657b702fcbeaf5cc04 (diff) | |
Put the first stage of my bignum debugging adventures into CVS. This code
is itself experimental, and in addition may cause execution to break on
existing openssl "bugs" that previously were harmless or at least
invisible.
Diffstat (limited to 'crypto/bn/bn_div.c')
| -rw-r--r-- | crypto/bn/bn_div.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/crypto/bn/bn_div.c b/crypto/bn/bn_div.c index 0fe58dbf69..ff218957b1 100644 --- a/crypto/bn/bn_div.c +++ b/crypto/bn/bn_div.c @@ -249,7 +249,7 @@ int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor, /* space for temp */ if (!bn_wexpand(tmp,(div_n+1))) goto err; - bn_fix_top(&wnum); + bn_correct_top(&wnum); if (BN_ucmp(&wnum,sdiv) >= 0) { if (!BN_usub(&wnum,&wnum,sdiv)) goto err; @@ -359,7 +359,7 @@ X) -> 0x%08X\n", tmp->top=j; j=wnum.top; - bn_fix_top(&wnum); + bn_correct_top(&wnum); if (!BN_sub(&wnum,&wnum,tmp)) goto err; snum->top=snum->top+wnum.top-j; @@ -380,14 +380,16 @@ X) -> 0x%08X\n", * BN_rshift() will overwrite it. */ int neg = num->neg; - bn_fix_top(snum); + bn_correct_top(snum); BN_rshift(rm,snum,norm_shift); if (!BN_is_zero(rm)) rm->neg = neg; + bn_check_top(rm); } BN_CTX_end(ctx); return(1); err: + bn_check_top(rm); BN_CTX_end(ctx); return(0); } |