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Hakase
2019-04-26 08:41:22 +09:00
parent 704c3822e0
commit a7bf77581f
91 changed files with 4677 additions and 389 deletions
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crypto/ec/asm/ecp_nistz256-armv8.pl
+1 -1
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@@ -1488,7 +1488,7 @@ $code.=<<___;
////////////////////////////////////////////////////////////////////////
// void ecp_nistz256_ord_sqr_mont(uint64_t res[4], uint64_t a[4],
// int rep);
// uint64_t rep);
.globl ecp_nistz256_ord_sqr_mont
.type ecp_nistz256_ord_sqr_mont,%function
.align 4
crypto/ec/asm/ecp_nistz256-ppc64.pl
+1 -1
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@@ -1919,7 +1919,7 @@ $code.=<<___;
################################################################################
# void ecp_nistz256_ord_sqr_mont(uint64_t res[4], uint64_t a[4],
# int rep);
# uint64_t rep);
.globl ecp_nistz256_ord_sqr_mont
.align 5
ecp_nistz256_ord_sqr_mont:
crypto/ec/asm/ecp_nistz256-x86_64.pl
+1 -1
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@@ -826,7 +826,7 @@ $code.=<<___;
# void ecp_nistz256_ord_sqr_mont(
# uint64_t res[4],
# uint64_t a[4],
# int rep);
# uint64_t rep);
.globl ecp_nistz256_ord_sqr_mont
.type ecp_nistz256_ord_sqr_mont,\@function,3
crypto/ec/ec_mult.c
+2 -2
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@@ -441,7 +441,7 @@ int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
* scalar multiplication implementation based on a Montgomery ladder,
* with various timing attack defenses.
*/
if ((scalar != NULL) && (num == 0)) {
if ((scalar != group->order) && (scalar != NULL) && (num == 0)) {
/*-
* In this case we want to compute scalar * GeneratorPoint: this
* codepath is reached most prominently by (ephemeral) key
@@ -452,7 +452,7 @@ int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
*/
return ec_scalar_mul_ladder(group, r, scalar, NULL, ctx);
}
if ((scalar == NULL) && (num == 1)) {
if ((scalar == NULL) && (num == 1) && (scalars[0] != group->order)) {
/*-
* In this case we want to compute scalar * VariablePoint: this
* codepath is reached most prominently by the second half of ECDH,
crypto/ec/ecp_nistz256.c
+1 -1
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@@ -1467,7 +1467,7 @@ void ecp_nistz256_ord_mul_mont(BN_ULONG res[P256_LIMBS],
const BN_ULONG b[P256_LIMBS]);
void ecp_nistz256_ord_sqr_mont(BN_ULONG res[P256_LIMBS],
const BN_ULONG a[P256_LIMBS],
int rep);
BN_ULONG rep);
static int ecp_nistz256_inv_mod_ord(const EC_GROUP *group, BIGNUM *r,
const BIGNUM *x, BN_CTX *ctx)