mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-15 04:00:12 +01:00
607 lines
17 KiB
C
607 lines
17 KiB
C
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifdef NSS_ENABLE_ECC
|
|
|
|
#include "blapi.h"
|
|
#include "secoid.h"
|
|
#include "secitem.h"
|
|
#include "secerr.h"
|
|
#include "ec.h"
|
|
#include "ecl-curve.h"
|
|
|
|
#define CHECK_OK(func) if (func == NULL) goto cleanup
|
|
#define CHECK_SEC_OK(func) if (SECSuccess != (rv = func)) goto cleanup
|
|
|
|
/*
|
|
* Initializes a SECItem from a hexadecimal string
|
|
*
|
|
* Warning: This function ignores leading 00's, so any leading 00's
|
|
* in the hexadecimal string must be optional.
|
|
*/
|
|
static SECItem *
|
|
hexString2SECItem(PLArenaPool *arena, SECItem *item, const char *str)
|
|
{
|
|
int i = 0;
|
|
int byteval = 0;
|
|
int tmp = PORT_Strlen(str);
|
|
|
|
if ((tmp % 2) != 0) return NULL;
|
|
|
|
/* skip leading 00's unless the hex string is "00" */
|
|
while ((tmp > 2) && (str[0] == '0') && (str[1] == '0')) {
|
|
str += 2;
|
|
tmp -= 2;
|
|
}
|
|
|
|
item->data = (unsigned char *) PORT_ArenaAlloc(arena, tmp/2);
|
|
if (item->data == NULL) return NULL;
|
|
item->len = tmp/2;
|
|
|
|
while (str[i]) {
|
|
if ((str[i] >= '0') && (str[i] <= '9'))
|
|
tmp = str[i] - '0';
|
|
else if ((str[i] >= 'a') && (str[i] <= 'f'))
|
|
tmp = str[i] - 'a' + 10;
|
|
else if ((str[i] >= 'A') && (str[i] <= 'F'))
|
|
tmp = str[i] - 'A' + 10;
|
|
else
|
|
return NULL;
|
|
|
|
byteval = byteval * 16 + tmp;
|
|
if ((i % 2) != 0) {
|
|
item->data[i/2] = byteval;
|
|
byteval = 0;
|
|
}
|
|
i++;
|
|
}
|
|
|
|
return item;
|
|
}
|
|
|
|
/* Copy all of the fields from srcParams into dstParams
|
|
*/
|
|
SECStatus
|
|
EC_CopyParams(PLArenaPool *arena, ECParams *dstParams,
|
|
const ECParams *srcParams)
|
|
{
|
|
SECStatus rv = SECFailure;
|
|
|
|
dstParams->arena = arena;
|
|
dstParams->type = srcParams->type;
|
|
dstParams->fieldID.size = srcParams->fieldID.size;
|
|
dstParams->fieldID.type = srcParams->fieldID.type;
|
|
if (srcParams->fieldID.type == ec_field_GFp) {
|
|
CHECK_SEC_OK(SECITEM_CopyItem(arena, &dstParams->fieldID.u.prime,
|
|
&srcParams->fieldID.u.prime));
|
|
} else {
|
|
CHECK_SEC_OK(SECITEM_CopyItem(arena, &dstParams->fieldID.u.poly,
|
|
&srcParams->fieldID.u.poly));
|
|
}
|
|
dstParams->fieldID.k1 = srcParams->fieldID.k1;
|
|
dstParams->fieldID.k2 = srcParams->fieldID.k2;
|
|
dstParams->fieldID.k3 = srcParams->fieldID.k3;
|
|
CHECK_SEC_OK(SECITEM_CopyItem(arena, &dstParams->curve.a,
|
|
&srcParams->curve.a));
|
|
CHECK_SEC_OK(SECITEM_CopyItem(arena, &dstParams->curve.b,
|
|
&srcParams->curve.b));
|
|
CHECK_SEC_OK(SECITEM_CopyItem(arena, &dstParams->curve.seed,
|
|
&srcParams->curve.seed));
|
|
CHECK_SEC_OK(SECITEM_CopyItem(arena, &dstParams->base,
|
|
&srcParams->base));
|
|
CHECK_SEC_OK(SECITEM_CopyItem(arena, &dstParams->order,
|
|
&srcParams->order));
|
|
CHECK_SEC_OK(SECITEM_CopyItem(arena, &dstParams->DEREncoding,
|
|
&srcParams->DEREncoding));
|
|
dstParams->name = srcParams->name;
|
|
CHECK_SEC_OK(SECITEM_CopyItem(arena, &dstParams->curveOID,
|
|
&srcParams->curveOID));
|
|
dstParams->cofactor = srcParams->cofactor;
|
|
|
|
return SECSuccess;
|
|
|
|
cleanup:
|
|
return SECFailure;
|
|
}
|
|
|
|
static SECStatus
|
|
gf_populate_params(ECCurveName name, ECFieldType field_type, ECParams *params)
|
|
{
|
|
SECStatus rv = SECFailure;
|
|
const ECCurveParams *curveParams;
|
|
/* 2 ['0'+'4'] + MAX_ECKEY_LEN * 2 [x,y] * 2 [hex string] + 1 ['\0'] */
|
|
char genenc[3 + 2 * 2 * MAX_ECKEY_LEN];
|
|
|
|
if ((name < ECCurve_noName) || (name > ECCurve_pastLastCurve)) goto cleanup;
|
|
params->name = name;
|
|
curveParams = ecCurve_map[params->name];
|
|
CHECK_OK(curveParams);
|
|
params->fieldID.size = curveParams->size;
|
|
params->fieldID.type = field_type;
|
|
if (field_type == ec_field_GFp) {
|
|
CHECK_OK(hexString2SECItem(params->arena, ¶ms->fieldID.u.prime,
|
|
curveParams->irr));
|
|
} else {
|
|
CHECK_OK(hexString2SECItem(params->arena, ¶ms->fieldID.u.poly,
|
|
curveParams->irr));
|
|
}
|
|
CHECK_OK(hexString2SECItem(params->arena, ¶ms->curve.a,
|
|
curveParams->curvea));
|
|
CHECK_OK(hexString2SECItem(params->arena, ¶ms->curve.b,
|
|
curveParams->curveb));
|
|
genenc[0] = '0';
|
|
genenc[1] = '4';
|
|
genenc[2] = '\0';
|
|
strcat(genenc, curveParams->genx);
|
|
strcat(genenc, curveParams->geny);
|
|
CHECK_OK(hexString2SECItem(params->arena, ¶ms->base, genenc));
|
|
CHECK_OK(hexString2SECItem(params->arena, ¶ms->order,
|
|
curveParams->order));
|
|
params->cofactor = curveParams->cofactor;
|
|
|
|
rv = SECSuccess;
|
|
|
|
cleanup:
|
|
return rv;
|
|
}
|
|
|
|
SECStatus
|
|
EC_FillParams(PLArenaPool *arena, const SECItem *encodedParams,
|
|
ECParams *params)
|
|
{
|
|
SECStatus rv = SECFailure;
|
|
SECOidTag tag;
|
|
SECItem oid = { siBuffer, NULL, 0};
|
|
|
|
#if EC_DEBUG
|
|
int i;
|
|
|
|
printf("Encoded params in EC_DecodeParams: ");
|
|
for (i = 0; i < encodedParams->len; i++) {
|
|
printf("%02x:", encodedParams->data[i]);
|
|
}
|
|
printf("\n");
|
|
#endif
|
|
|
|
if ((encodedParams->len != ANSI_X962_CURVE_OID_TOTAL_LEN) &&
|
|
(encodedParams->len != SECG_CURVE_OID_TOTAL_LEN)) {
|
|
PORT_SetError(SEC_ERROR_UNSUPPORTED_ELLIPTIC_CURVE);
|
|
return SECFailure;
|
|
};
|
|
|
|
oid.len = encodedParams->len - 2;
|
|
oid.data = encodedParams->data + 2;
|
|
if ((encodedParams->data[0] != SEC_ASN1_OBJECT_ID) ||
|
|
((tag = SECOID_FindOIDTag(&oid)) == SEC_OID_UNKNOWN)) {
|
|
PORT_SetError(SEC_ERROR_UNSUPPORTED_ELLIPTIC_CURVE);
|
|
return SECFailure;
|
|
}
|
|
|
|
params->arena = arena;
|
|
params->cofactor = 0;
|
|
params->type = ec_params_named;
|
|
params->name = ECCurve_noName;
|
|
|
|
/* For named curves, fill out curveOID */
|
|
params->curveOID.len = oid.len;
|
|
params->curveOID.data = (unsigned char *) PORT_ArenaAlloc(arena, oid.len);
|
|
if (params->curveOID.data == NULL) goto cleanup;
|
|
memcpy(params->curveOID.data, oid.data, oid.len);
|
|
|
|
#if EC_DEBUG
|
|
printf("Curve: %s\n", SECOID_FindOIDTagDescription(tag));
|
|
#endif
|
|
|
|
switch (tag) {
|
|
|
|
/* Binary curves */
|
|
|
|
case SEC_OID_ANSIX962_EC_C2PNB163V1:
|
|
/* Populate params for c2pnb163v1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_CHAR2_PNB163V1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_C2PNB163V2:
|
|
/* Populate params for c2pnb163v2 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_CHAR2_PNB163V2, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_C2PNB163V3:
|
|
/* Populate params for c2pnb163v3 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_CHAR2_PNB163V3, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_C2PNB176V1:
|
|
/* Populate params for c2pnb176v1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_CHAR2_PNB176V1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_C2TNB191V1:
|
|
/* Populate params for c2tnb191v1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_CHAR2_TNB191V1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_C2TNB191V2:
|
|
/* Populate params for c2tnb191v2 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_CHAR2_TNB191V2, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_C2TNB191V3:
|
|
/* Populate params for c2tnb191v3 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_CHAR2_TNB191V3, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_C2PNB208W1:
|
|
/* Populate params for c2pnb208w1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_CHAR2_PNB208W1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_C2TNB239V1:
|
|
/* Populate params for c2tnb239v1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_CHAR2_TNB239V1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_C2TNB239V2:
|
|
/* Populate params for c2tnb239v2 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_CHAR2_TNB239V2, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_C2TNB239V3:
|
|
/* Populate params for c2tnb239v3 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_CHAR2_TNB239V3, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_C2PNB272W1:
|
|
/* Populate params for c2pnb272w1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_CHAR2_PNB272W1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_C2PNB304W1:
|
|
/* Populate params for c2pnb304w1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_CHAR2_PNB304W1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_C2TNB359V1:
|
|
/* Populate params for c2tnb359v1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_CHAR2_TNB359V1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_C2PNB368W1:
|
|
/* Populate params for c2pnb368w1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_CHAR2_PNB368W1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_C2TNB431R1:
|
|
/* Populate params for c2tnb431r1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_CHAR2_TNB431R1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT113R1:
|
|
/* Populate params for sect113r1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_113R1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT113R2:
|
|
/* Populate params for sect113r2 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_113R2, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT131R1:
|
|
/* Populate params for sect131r1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_131R1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT131R2:
|
|
/* Populate params for sect131r2 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_131R2, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT163K1:
|
|
/* Populate params for sect163k1
|
|
* (the NIST K-163 curve)
|
|
*/
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_163K1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT163R1:
|
|
/* Populate params for sect163r1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_163R1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT163R2:
|
|
/* Populate params for sect163r2
|
|
* (the NIST B-163 curve)
|
|
*/
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_163R2, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT193R1:
|
|
/* Populate params for sect193r1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_193R1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT193R2:
|
|
/* Populate params for sect193r2 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_193R2, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT233K1:
|
|
/* Populate params for sect233k1
|
|
* (the NIST K-233 curve)
|
|
*/
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_233K1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT233R1:
|
|
/* Populate params for sect233r1
|
|
* (the NIST B-233 curve)
|
|
*/
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_233R1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT239K1:
|
|
/* Populate params for sect239k1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_239K1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT283K1:
|
|
/* Populate params for sect283k1
|
|
* (the NIST K-283 curve)
|
|
*/
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_283K1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT283R1:
|
|
/* Populate params for sect283r1
|
|
* (the NIST B-283 curve)
|
|
*/
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_283R1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT409K1:
|
|
/* Populate params for sect409k1
|
|
* (the NIST K-409 curve)
|
|
*/
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_409K1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT409R1:
|
|
/* Populate params for sect409r1
|
|
* (the NIST B-409 curve)
|
|
*/
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_409R1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT571K1:
|
|
/* Populate params for sect571k1
|
|
* (the NIST K-571 curve)
|
|
*/
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_571K1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECT571R1:
|
|
/* Populate params for sect571r1
|
|
* (the NIST B-571 curve)
|
|
*/
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_CHAR2_571R1, ec_field_GF2m,
|
|
params) );
|
|
break;
|
|
|
|
/* Prime curves */
|
|
|
|
case SEC_OID_ANSIX962_EC_PRIME192V1:
|
|
/* Populate params for prime192v1 aka secp192r1
|
|
* (the NIST P-192 curve)
|
|
*/
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_PRIME_192V1, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_PRIME192V2:
|
|
/* Populate params for prime192v2 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_PRIME_192V2, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_PRIME192V3:
|
|
/* Populate params for prime192v3 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_PRIME_192V3, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_PRIME239V1:
|
|
/* Populate params for prime239v1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_PRIME_239V1, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_PRIME239V2:
|
|
/* Populate params for prime239v2 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_PRIME_239V2, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_PRIME239V3:
|
|
/* Populate params for prime239v3 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_PRIME_239V3, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_ANSIX962_EC_PRIME256V1:
|
|
/* Populate params for prime256v1 aka secp256r1
|
|
* (the NIST P-256 curve)
|
|
*/
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_X9_62_PRIME_256V1, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECP112R1:
|
|
/* Populate params for secp112r1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_PRIME_112R1, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECP112R2:
|
|
/* Populate params for secp112r2 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_PRIME_112R2, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECP128R1:
|
|
/* Populate params for secp128r1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_PRIME_128R1, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECP128R2:
|
|
/* Populate params for secp128r2 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_PRIME_128R2, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECP160K1:
|
|
/* Populate params for secp160k1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_PRIME_160K1, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECP160R1:
|
|
/* Populate params for secp160r1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_PRIME_160R1, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECP160R2:
|
|
/* Populate params for secp160r1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_PRIME_160R2, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECP192K1:
|
|
/* Populate params for secp192k1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_PRIME_192K1, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECP224K1:
|
|
/* Populate params for secp224k1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_PRIME_224K1, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECP224R1:
|
|
/* Populate params for secp224r1
|
|
* (the NIST P-224 curve)
|
|
*/
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_PRIME_224R1, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECP256K1:
|
|
/* Populate params for secp256k1 */
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_PRIME_256K1, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECP384R1:
|
|
/* Populate params for secp384r1
|
|
* (the NIST P-384 curve)
|
|
*/
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_PRIME_384R1, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
case SEC_OID_SECG_EC_SECP521R1:
|
|
/* Populate params for secp521r1
|
|
* (the NIST P-521 curve)
|
|
*/
|
|
CHECK_SEC_OK( gf_populate_params(ECCurve_SECG_PRIME_521R1, ec_field_GFp,
|
|
params) );
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
};
|
|
|
|
cleanup:
|
|
if (!params->cofactor) {
|
|
PORT_SetError(SEC_ERROR_UNSUPPORTED_ELLIPTIC_CURVE);
|
|
#if EC_DEBUG
|
|
printf("Unrecognized curve, returning NULL params\n");
|
|
#endif
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
SECStatus
|
|
EC_DecodeParams(const SECItem *encodedParams, ECParams **ecparams)
|
|
{
|
|
PLArenaPool *arena;
|
|
ECParams *params;
|
|
SECStatus rv = SECFailure;
|
|
|
|
/* Initialize an arena for the ECParams structure */
|
|
if (!(arena = PORT_NewArena(NSS_FREEBL_DEFAULT_CHUNKSIZE)))
|
|
return SECFailure;
|
|
|
|
params = (ECParams *)PORT_ArenaZAlloc(arena, sizeof(ECParams));
|
|
if (!params) {
|
|
PORT_FreeArena(arena, PR_TRUE);
|
|
return SECFailure;
|
|
}
|
|
|
|
/* Copy the encoded params */
|
|
SECITEM_AllocItem(arena, &(params->DEREncoding),
|
|
encodedParams->len);
|
|
memcpy(params->DEREncoding.data, encodedParams->data, encodedParams->len);
|
|
|
|
/* Fill out the rest of the ECParams structure based on
|
|
* the encoded params
|
|
*/
|
|
rv = EC_FillParams(arena, encodedParams, params);
|
|
if (rv == SECFailure) {
|
|
PORT_FreeArena(arena, PR_TRUE);
|
|
return SECFailure;
|
|
} else {
|
|
*ecparams = params;;
|
|
return SECSuccess;
|
|
}
|
|
}
|
|
|
|
#endif /* NSS_ENABLE_ECC */
|