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fast SMS4 with Intel AVX2/KNC-NI

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This commit is contained in:
Zhi Guan
2016-05-09 09:20:02 +02:00
parent addcac4896
commit 8c0439e7d6
83 changed files with 3536 additions and 5882 deletions
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96
crypto/sm2/sm2_kap.c
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@@ -155,6 +155,102 @@ void SM2_KAP_CTX_cleanup(SM2_KAP_CTX *ctx)
memset(ctx, 0, sizeof(*ctx));
}
#if 0
int SM2_update_key(EC_KEY *ec_key, EC_POINT **point)
{
EC_KEY *tmp = NULL;
BIGNUM *d = EC_KEY_get0_private_key(ec_key);
if (!(tmp = EC_KEY_new())) {
goto end;
}
if (!EC_KEY_set_group(tmp, EC_KEY_get0_group(ec_key))) {
goto end;
}
if (!EC_KEY_generate_key(tmp)) {
goto end;
}
if (!EC_KEY_get_affine_coordinates(tmp, x, y)) {
goto end;
}
/* convert x to x' */
if (**point == NULL) {
*point = EC_POINT_dup(EC_KEY_get0_public_key(ec_key), EC_KEY_get0_group(ec_key));
} else {
EC_POINT_copy(*point, EC_KEY_get0_public_key(ec_key), EC_KEY_get0_group(ec_key));
}
end:
EC_KEY_free(tmp);
return 0;
}
int SM2_update_public_key(EC_KEY *ec_key, const EC_POINT *pub_key)
{
EC_GROUP *group;
group = EC_KEY_get0_group(ec_key);
if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field) {
if (!EC_POINT_get_affine_coordinates_GFp(group, pub_key, x, NULL, bn_ctx)) {
SM2err(SM2_F_SM2_KAP_COMPUTE_KEY, ERR_R_EC_LIB);
goto end;
}
} else {
if (!EC_POINT_get_affine_coordinates_GF2m(group, pub_key, x, NULL, bn_ctx)) {
SM2err(SM2_F_SM2_KAP_COMPUTE_KEY, ERR_R_EC_LIB);
goto end;
}
}
if (!BN_nnmod(x, x, ctx->two_pow_w, bn_ctx)) {
SM2err(SM2_F_SM2_KAP_PREPARE, ERR_R_BN_LIB);
goto end;
}
if (!BN_add(x, x, ctx->two_pow_w)) {
SM2err(SM2_F_SM2_KAP_PREPARE, ERR_R_BN_LIB);
goto end;
}
if (!BN_mod_mul(ctx->t, x, r, ctx->order, ctx->bn_ctx)) {
SM2err(SM2_F_SM2_KAP_PREPARE, ERR_R_BN_LIB);
goto end;
}
if (!EC_POINT_mul(group, point, NULL, point, x, ctx->bn_ctx)) {
SM2err(SM2_F_SM2_KAP_COMPUTE_KEY, ERR_R_EC_LIB);
goto end;
}
if (!EC_POINT_add(group, pubkey, pubkey, point, bn_ctx)) {
goto end;
}
ret = 1;
end:
return ret;
}
int SM2_derive_key(void *out, size_t outlen,
const EC_POINT *pub_key, EC_KEY *ec_key,
void *(*KDF)(const void *in, size_t inlen, void *out, size_t *outlen))
{
return 0;
}
#endif
/* FIXME: ephem_point_len should be both input and output */
int SM2_KAP_prepare(SM2_KAP_CTX *ctx, unsigned char *ephem_point,