Hakase/openssl-custom
1
0 Fork 0
Code Issues Pull Requests Releases Wiki Activity

Update pre10

Browse Source
This commit is contained in:
Hakase
2018-08-23 00:44:44 +09:00
parent ef69dcb649
commit 6ed909873d
55 changed files with 818 additions and 394 deletions
Download Patch File Download Diff File Expand all files Collapse all files
crypto/ec/ecp_smpl.c
+33 -30
View File
@@ -1483,10 +1483,10 @@ int ec_GFp_simple_ladder_pre(const EC_GROUP *group,
}
/*-
* Differential addition-and-doubling using Eq. (8) and (10) from Izu-Takagi
* Differential addition-and-doubling using Eq. (9) and (10) from Izu-Takagi
* "A fast parallel elliptic curve multiplication resistant against side channel
* attacks", as described at
* https://hyperelliptic.org/EFD/g1p/auto-shortw-xz.html#ladder-ladd-2002-it-3
* https://hyperelliptic.org/EFD/g1p/auto-shortw-xz.html#ladder-ladd-2002-it-4
*/
int ec_GFp_simple_ladder_step(const EC_GROUP *group,
EC_POINT *r, EC_POINT *s,
@@ -1511,39 +1511,42 @@ int ec_GFp_simple_ladder_step(const EC_GROUP *group,
|| !group->meth->field_mul(group, t2, r->X, s->Z, ctx)
|| !group->meth->field_mul(group, t3, r->Z, s->X, ctx)
|| !group->meth->field_mul(group, t4, group->a, t1, ctx)
|| !BN_mod_sub_quick(t4, t0, t4, group->field)
|| !BN_mod_add_quick(t5, t3, t2, group->field)
|| !group->meth->field_sqr(group, t4, t4, ctx)
|| !group->meth->field_mul(group, t5, t1, t5, ctx)
|| !BN_mod_lshift_quick(t0, group->b, 2, group->field)
|| !group->meth->field_mul(group, t5, t0, t5, ctx)
|| !BN_mod_sub_quick(t5, t4, t5, group->field)
|| !BN_mod_add_quick(t0, t0, t4, group->field)
|| !BN_mod_add_quick(t4, t3, t2, group->field)
|| !group->meth->field_mul(group, t0, t4, t0, ctx)
|| !group->meth->field_sqr(group, t1, t1, ctx)
|| !BN_mod_lshift_quick(t7, group->b, 2, group->field)
|| !group->meth->field_mul(group, t1, t7, t1, ctx)
|| !BN_mod_lshift1_quick(t0, t0, group->field)
|| !BN_mod_add_quick(t0, t1, t0, group->field)
|| !BN_mod_sub_quick(t1, t2, t3, group->field)
|| !group->meth->field_sqr(group, t1, t1, ctx)
|| !group->meth->field_mul(group, t3, t1, p->X, ctx)
|| !group->meth->field_mul(group, t0, p->Z, t0, ctx)
/* s->X coord output */
|| !group->meth->field_mul(group, s->X, t5, p->Z, ctx)
|| !BN_mod_sub_quick(t3, t2, t3, group->field)
|| !group->meth->field_sqr(group, t3, t3, ctx)
|| !BN_mod_sub_quick(s->X, t0, t3, group->field)
/* s->Z coord output */
|| !group->meth->field_mul(group, s->Z, t3, p->X, ctx)
|| !group->meth->field_sqr(group, t2, r->X, ctx)
|| !group->meth->field_sqr(group, t4, r->Z, ctx)
|| !group->meth->field_mul(group, t1, t4, group->a, ctx)
|| !BN_mod_add_quick(t6, r->X, r->Z, group->field)
|| !group->meth->field_mul(group, s->Z, p->Z, t1, ctx)
|| !group->meth->field_sqr(group, t3, r->X, ctx)
|| !group->meth->field_sqr(group, t2, r->Z, ctx)
|| !group->meth->field_mul(group, t4, t2, group->a, ctx)
|| !BN_mod_add_quick(t5, r->X, r->Z, group->field)
|| !group->meth->field_sqr(group, t5, t5, ctx)
|| !BN_mod_sub_quick(t5, t5, t3, group->field)
|| !BN_mod_sub_quick(t5, t5, t2, group->field)
|| !BN_mod_sub_quick(t6, t3, t4, group->field)
|| !group->meth->field_sqr(group, t6, t6, ctx)
|| !BN_mod_sub_quick(t6, t6, t2, group->field)
|| !BN_mod_sub_quick(t6, t6, t4, group->field)
|| !BN_mod_sub_quick(t7, t2, t1, group->field)
|| !group->meth->field_sqr(group, t7, t7, ctx)
|| !group->meth->field_mul(group, t5, t4, t6, ctx)
|| !group->meth->field_mul(group, t5, t0, t5, ctx)
|| !group->meth->field_mul(group, t0, t2, t5, ctx)
|| !group->meth->field_mul(group, t0, t7, t0, ctx)
/* r->X coord output */
|| !BN_mod_sub_quick(r->X, t7, t5, group->field)
|| !BN_mod_add_quick(t2, t2, t1, group->field)
|| !group->meth->field_sqr(group, t5, t4, ctx)
|| !group->meth->field_mul(group, t5, t5, t0, ctx)
|| !group->meth->field_mul(group, t6, t6, t2, ctx)
|| !BN_mod_lshift1_quick(t6, t6, group->field)
|| !BN_mod_sub_quick(r->X, t6, t0, group->field)
|| !BN_mod_add_quick(t6, t3, t4, group->field)
|| !group->meth->field_sqr(group, t3, t2, ctx)
|| !group->meth->field_mul(group, t7, t3, t7, ctx)
|| !group->meth->field_mul(group, t5, t5, t6, ctx)
|| !BN_mod_lshift1_quick(t5, t5, group->field)
/* r->Z coord output */
|| !BN_mod_add_quick(r->Z, t5, t6, group->field))
|| !BN_mod_add_quick(r->Z, t7, t5, group->field))
goto err;
ret = 1;
crypto/ec/ecx_meth.c
+13 -3
View File
@@ -331,8 +331,18 @@ static int ecx_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
}
return 0;
default:
return -2;
}
}
static int ecd_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
{
switch (op) {
case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
*(int *)arg2 = NID_sha256;
/* We currently only support Pure EdDSA which takes no digest */
*(int *)arg2 = NID_undef;
return 2;
default:
@@ -579,7 +589,7 @@ const EVP_PKEY_ASN1_METHOD ed25519_asn1_meth = {
0, 0,
ecx_free,
0,
ecd_ctrl,
NULL,
NULL,
ecd_item_verify,
@@ -621,7 +631,7 @@ const EVP_PKEY_ASN1_METHOD ed448_asn1_meth = {
0, 0,
ecx_free,
0,
ecd_ctrl,
NULL,
NULL,
ecd_item_verify,