diff options
| author | Andy Polyakov <appro@openssl.org> | 2008-12-16 07:28:38 +0000 |
|---|---|---|
| committer | Andy Polyakov <appro@openssl.org> | 2008-12-16 07:28:38 +0000 |
| commit | 3ebbe8853f0597bc859d6fad5206229aff3ce784 (patch) | |
| tree | 215a2ec81e38ff6f01050d0910ef4fe4f57eb2a6 /crypto/bn/bn_asm.c | |
| parent | ac71d81e84d0ced7c546e70dc6a7fdf70288be86 (diff) | |
Bring C bn_mul_mont template closer to assembler.
Diffstat (limited to 'crypto/bn/bn_asm.c')
| -rw-r--r-- | crypto/bn/bn_asm.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/crypto/bn/bn_asm.c b/crypto/bn/bn_asm.c index 230258bcdd..c43c91cc09 100644 --- a/crypto/bn/bn_asm.c +++ b/crypto/bn/bn_asm.c @@ -860,13 +860,35 @@ int bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_U n0 = *n0p; - tp[num] = bn_mul_words(tp,ap,num,bp[0]); + c0 = 0; + ml = bp[0]; +#ifdef mul64 + mh = HBITS(ml); + ml = LBITS(ml); + for (j=0;j<num;++j) + mul(tp[j],ap[j],ml,mh,c0); +#else + for (j=0;j<num;++j) + mul(tp[j],ap[j],ml,c0); +#endif + + tp[num] = c0; tp[num+1] = 0; goto enter; for(i=0;i<num;i++) { - c0 = bn_mul_add_words(tp,ap,num,bp[i]); + c0 = 0; + ml = bp[i]; +#ifdef mul64 + mh = HBITS(ml); + ml = LBITS(ml); + for (j=0;j<num;++j) + mul_add(tp[j],ap[j],ml,mh,c0); +#else + for (j=0;j<num;++j) + mul_add(tp[j],ap[j],ml,c0); +#endif c1 = (tp[num] + c0)&BN_MASK2; tp[num] = c1; tp[num+1] = (c1<c0?1:0); |