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NISTZ256: owur'ize.

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__owur'ize static methods to catch calling errors within the module.

Reviewed-by: Rich Salz <rsalz@openssl.org>
This commit is contained in:
Emilia Kasper 2015-04-27 18:14:32 +02:00
parent 6038354cf8
commit 5956b110e3
1 changed files with 20 additions and 20 deletions
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40
crypto/ec/ecp_nistz256.c
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@ -546,18 +546,18 @@ static void ecp_nistz256_mod_inverse(BN_ULONG r[P256_LIMBS],
* ecp_nistz256_bignum_to_field_elem copies the contents of |in| to |out| and
* returns one if it fits. Otherwise it returns zero.
*/
static int ecp_nistz256_bignum_to_field_elem(BN_ULONG out[P256_LIMBS],
const BIGNUM *in)
__owur static int ecp_nistz256_bignum_to_field_elem(BN_ULONG out[P256_LIMBS],
const BIGNUM *in)
{
return bn_copy_words(out, in, P256_LIMBS);
}
/* r = sum(scalar[i]*point[i]) */
static int ecp_nistz256_windowed_mul(const EC_GROUP *group,
P256_POINT *r,
const BIGNUM **scalar,
const EC_POINT **point,
size_t num, BN_CTX *ctx)
__owur static int ecp_nistz256_windowed_mul(const EC_GROUP *group,
P256_POINT *r,
const BIGNUM **scalar,
const EC_POINT **point,
size_t num, BN_CTX *ctx)
{
size_t i;
int j, ret = 0;
@ -755,7 +755,7 @@ static int ecp_nistz256_is_affine_G(const EC_POINT *generator)
is_one(bn_get_words(generator->Z));
}
static int ecp_nistz256_mult_precompute(EC_GROUP *group, BN_CTX *ctx)
__owur static int ecp_nistz256_mult_precompute(EC_GROUP *group, BN_CTX *ctx)
{
/*
* We precompute a table for a Booth encoded exponent (wNAF) based
@ -1097,9 +1097,9 @@ static void ecp_nistz256_avx2_mul_g(P256_POINT *r,
# endif
#endif
static int ecp_nistz256_set_from_affine(EC_POINT *out, const EC_GROUP *group,
const P256_POINT_AFFINE *in,
BN_CTX *ctx)
__owur static int ecp_nistz256_set_from_affine(EC_POINT *out, const EC_GROUP *group,
const P256_POINT_AFFINE *in,
BN_CTX *ctx)
{
BIGNUM *x, *y;
BN_ULONG d_x[P256_LIMBS], d_y[P256_LIMBS];
@ -1130,12 +1130,12 @@ static int ecp_nistz256_set_from_affine(EC_POINT *out, const EC_GROUP *group,
}
/* r = scalar*G + sum(scalars[i]*points[i]) */
static int ecp_nistz256_points_mul(const EC_GROUP *group,
EC_POINT *r,
const BIGNUM *scalar,
size_t num,
const EC_POINT *points[],
const BIGNUM *scalars[], BN_CTX *ctx)
__owur static int ecp_nistz256_points_mul(const EC_GROUP *group,
EC_POINT *r,
const BIGNUM *scalar,
size_t num,
const EC_POINT *points[],
const BIGNUM *scalars[], BN_CTX *ctx)
{
int i = 0, ret = 0, no_precomp_for_generator = 0, p_is_infinity = 0;
size_t j;
@ -1365,9 +1365,9 @@ err:
return ret;
}
static int ecp_nistz256_get_affine(const EC_GROUP *group,
const EC_POINT *point,
BIGNUM *x, BIGNUM *y, BN_CTX *ctx)
__owur static int ecp_nistz256_get_affine(const EC_GROUP *group,
const EC_POINT *point,
BIGNUM *x, BIGNUM *y, BN_CTX *ctx)
{
BN_ULONG z_inv2[P256_LIMBS];
BN_ULONG z_inv3[P256_LIMBS];