diff options
Diffstat (limited to 'crypto/bn/bn_mul.c')
| -rw-r--r-- | crypto/bn/bn_mul.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/crypto/bn/bn_mul.c b/crypto/bn/bn_mul.c index 3c618dc30708..6b455a755f71 100644 --- a/crypto/bn/bn_mul.c +++ b/crypto/bn/bn_mul.c @@ -1032,46 +1032,6 @@ int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx) rr->top = top; goto end; } -# if 0 - if (i == 1 && !BN_get_flags(b, BN_FLG_STATIC_DATA)) { - BIGNUM *tmp_bn = (BIGNUM *)b; - if (bn_wexpand(tmp_bn, al) == NULL) - goto err; - tmp_bn->d[bl] = 0; - bl++; - i--; - } else if (i == -1 && !BN_get_flags(a, BN_FLG_STATIC_DATA)) { - BIGNUM *tmp_bn = (BIGNUM *)a; - if (bn_wexpand(tmp_bn, bl) == NULL) - goto err; - tmp_bn->d[al] = 0; - al++; - i++; - } - if (i == 0) { - /* symmetric and > 4 */ - /* 16 or larger */ - j = BN_num_bits_word((BN_ULONG)al); - j = 1 << (j - 1); - k = j + j; - t = BN_CTX_get(ctx); - if (al == j) { /* exact multiple */ - if (bn_wexpand(t, k * 2) == NULL) - goto err; - if (bn_wexpand(rr, k * 2) == NULL) - goto err; - bn_mul_recursive(rr->d, a->d, b->d, al, t->d); - } else { - if (bn_wexpand(t, k * 4) == NULL) - goto err; - if (bn_wexpand(rr, k * 4) == NULL) - goto err; - bn_mul_part_recursive(rr->d, a->d, b->d, al - j, j, t->d); - } - rr->top = top; - goto end; - } -# endif } #endif /* BN_RECURSION */ if (bn_wexpand(rr, top) == NULL) |