diff options
Diffstat (limited to 'chromium/third_party/nss/nss/lib/softoken/ecdecode.c')
| -rw-r--r-- | chromium/third_party/nss/nss/lib/softoken/ecdecode.c | 606 |
1 files changed, 0 insertions, 606 deletions
diff --git a/chromium/third_party/nss/nss/lib/softoken/ecdecode.c b/chromium/third_party/nss/nss/lib/softoken/ecdecode.c deleted file mode 100644 index b04d022862d..00000000000 --- a/chromium/third_party/nss/nss/lib/softoken/ecdecode.c +++ /dev/null @@ -1,606 +0,0 @@ -/* 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 */ |