usr/src/common/crypto/ecc/oid.c

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
   6  * the License. You may obtain a copy of the License at
   7  * http://www.mozilla.org/MPL/
   8  *
   9  * Software distributed under the License is distributed on an "AS IS" basis,
  10  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11  * for the specific language governing rights and limitations under the
  12  * License.
  13  *
  14  * The Original Code is the Netscape security libraries.
  15  *
  16  * The Initial Developer of the Original Code is
  17  * Netscape Communications Corporation.
  18  * Portions created by the Initial Developer are Copyright (C) 1994-2000
  19  * the Initial Developer. All Rights Reserved.
  20  *
  21  * Contributor(s):
  22  *   Dr Vipul Gupta <vipul.gupta@sun.com>, Sun Microsystems Laboratories
  23  *
  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either the GNU General Public License Version 2 or later (the "GPL"), or
  26  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  27  * in which case the provisions of the GPL or the LGPL are applicable instead
  28  * of those above. If you wish to allow use of your version of this file only
  29  * under the terms of either the GPL or the LGPL, and not to allow others to
  30  * use your version of this file under the terms of the MPL, indicate your
  31  * decision by deleting the provisions above and replace them with the notice
  32  * and other provisions required by the GPL or the LGPL. If you do not delete
  33  * the provisions above, a recipient may use your version of this file under
  34  * the terms of any one of the MPL, the GPL or the LGPL.
  35  *
  36  * ***** END LICENSE BLOCK ***** */
  37 /*
  38  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  39  * Use is subject to license terms.
  40  *
  41  * Sun elects to use this software under the MPL license.
  42  */
  43
  44 #include <sys/types.h>
  45 #include <sys/systm.h>
  46 #include <sys/param.h>
  47 #ifdef _KERNEL
  48 #include <sys/kmem.h>
  49 #else
  50 #include <string.h>
  51 #endif
  52 #include "ec.h"
  53 #include "ecl-curve.h"
  54 #include "ecc_impl.h"
  55 #include "secoidt.h"
  56
  57 #define CERTICOM_OID            0x2b, 0x81, 0x04
  58 #define SECG_OID                CERTICOM_OID, 0x00
  59
  60 #define ANSI_X962_OID           0x2a, 0x86, 0x48, 0xce, 0x3d
  61 #define ANSI_X962_CURVE_OID     ANSI_X962_OID, 0x03
  62 #define ANSI_X962_GF2m_OID      ANSI_X962_CURVE_OID, 0x00
  63 #define ANSI_X962_GFp_OID       ANSI_X962_CURVE_OID, 0x01
  64
  65 #define CONST_OID static const unsigned char
  66
  67 /* ANSI X9.62 prime curve OIDs */
  68 /* NOTE: prime192v1 is the same as secp192r1, prime256v1 is the
  69  * same as secp256r1
  70  */
  71 CONST_OID ansiX962prime192v1[] = { ANSI_X962_GFp_OID, 0x01 };
  72 CONST_OID ansiX962prime192v2[] = { ANSI_X962_GFp_OID, 0x02 };
  73 CONST_OID ansiX962prime192v3[] = { ANSI_X962_GFp_OID, 0x03 };
  74 CONST_OID ansiX962prime239v1[] = { ANSI_X962_GFp_OID, 0x04 };
  75 CONST_OID ansiX962prime239v2[] = { ANSI_X962_GFp_OID, 0x05 };
  76 CONST_OID ansiX962prime239v3[] = { ANSI_X962_GFp_OID, 0x06 };
  77 CONST_OID ansiX962prime256v1[] = { ANSI_X962_GFp_OID, 0x07 };
  78
  79 /* SECG prime curve OIDs */
  80 CONST_OID secgECsecp112r1[] = { SECG_OID, 0x06 };
  81 CONST_OID secgECsecp112r2[] = { SECG_OID, 0x07 };
  82 CONST_OID secgECsecp128r1[] = { SECG_OID, 0x1c };
  83 CONST_OID secgECsecp128r2[] = { SECG_OID, 0x1d };
  84 CONST_OID secgECsecp160k1[] = { SECG_OID, 0x09 };
  85 CONST_OID secgECsecp160r1[] = { SECG_OID, 0x08 };
  86 CONST_OID secgECsecp160r2[] = { SECG_OID, 0x1e };
  87 CONST_OID secgECsecp192k1[] = { SECG_OID, 0x1f };
  88 CONST_OID secgECsecp224k1[] = { SECG_OID, 0x20 };
  89 CONST_OID secgECsecp224r1[] = { SECG_OID, 0x21 };
  90 CONST_OID secgECsecp256k1[] = { SECG_OID, 0x0a };
  91 CONST_OID secgECsecp384r1[] = { SECG_OID, 0x22 };
  92 CONST_OID secgECsecp521r1[] = { SECG_OID, 0x23 };
  93
  94 /* SECG characterisitic two curve OIDs */
  95 CONST_OID secgECsect113r1[] = {SECG_OID, 0x04 };
  96 CONST_OID secgECsect113r2[] = {SECG_OID, 0x05 };
  97 CONST_OID secgECsect131r1[] = {SECG_OID, 0x16 };
  98 CONST_OID secgECsect131r2[] = {SECG_OID, 0x17 };
  99 CONST_OID secgECsect163k1[] = {SECG_OID, 0x01 };
 100 CONST_OID secgECsect163r1[] = {SECG_OID, 0x02 };
 101 CONST_OID secgECsect163r2[] = {SECG_OID, 0x0f };
 102 CONST_OID secgECsect193r1[] = {SECG_OID, 0x18 };
 103 CONST_OID secgECsect193r2[] = {SECG_OID, 0x19 };
 104 CONST_OID secgECsect233k1[] = {SECG_OID, 0x1a };
 105 CONST_OID secgECsect233r1[] = {SECG_OID, 0x1b };
 106 CONST_OID secgECsect239k1[] = {SECG_OID, 0x03 };
 107 CONST_OID secgECsect283k1[] = {SECG_OID, 0x10 };
 108 CONST_OID secgECsect283r1[] = {SECG_OID, 0x11 };
 109 CONST_OID secgECsect409k1[] = {SECG_OID, 0x24 };
 110 CONST_OID secgECsect409r1[] = {SECG_OID, 0x25 };
 111 CONST_OID secgECsect571k1[] = {SECG_OID, 0x26 };
 112 CONST_OID secgECsect571r1[] = {SECG_OID, 0x27 };
 113
 114 /* ANSI X9.62 characteristic two curve OIDs */
 115 CONST_OID ansiX962c2pnb163v1[] = { ANSI_X962_GF2m_OID, 0x01 };
 116 CONST_OID ansiX962c2pnb163v2[] = { ANSI_X962_GF2m_OID, 0x02 };
 117 CONST_OID ansiX962c2pnb163v3[] = { ANSI_X962_GF2m_OID, 0x03 };
 118 CONST_OID ansiX962c2pnb176v1[] = { ANSI_X962_GF2m_OID, 0x04 };
 119 CONST_OID ansiX962c2tnb191v1[] = { ANSI_X962_GF2m_OID, 0x05 };
 120 CONST_OID ansiX962c2tnb191v2[] = { ANSI_X962_GF2m_OID, 0x06 };
 121 CONST_OID ansiX962c2tnb191v3[] = { ANSI_X962_GF2m_OID, 0x07 };
 122 CONST_OID ansiX962c2onb191v4[] = { ANSI_X962_GF2m_OID, 0x08 };
 123 CONST_OID ansiX962c2onb191v5[] = { ANSI_X962_GF2m_OID, 0x09 };
 124 CONST_OID ansiX962c2pnb208w1[] = { ANSI_X962_GF2m_OID, 0x0a };
 125 CONST_OID ansiX962c2tnb239v1[] = { ANSI_X962_GF2m_OID, 0x0b };
 126 CONST_OID ansiX962c2tnb239v2[] = { ANSI_X962_GF2m_OID, 0x0c };
 127 CONST_OID ansiX962c2tnb239v3[] = { ANSI_X962_GF2m_OID, 0x0d };
 128 CONST_OID ansiX962c2onb239v4[] = { ANSI_X962_GF2m_OID, 0x0e };
 129 CONST_OID ansiX962c2onb239v5[] = { ANSI_X962_GF2m_OID, 0x0f };
 130 CONST_OID ansiX962c2pnb272w1[] = { ANSI_X962_GF2m_OID, 0x10 };
 131 CONST_OID ansiX962c2pnb304w1[] = { ANSI_X962_GF2m_OID, 0x11 };
 132 CONST_OID ansiX962c2tnb359v1[] = { ANSI_X962_GF2m_OID, 0x12 };
 133 CONST_OID ansiX962c2pnb368w1[] = { ANSI_X962_GF2m_OID, 0x13 };
 134 CONST_OID ansiX962c2tnb431r1[] = { ANSI_X962_GF2m_OID, 0x14 };
 135
 136 #define OI(x) { siDEROID, (unsigned char *)x, sizeof x }
 137 #ifndef SECOID_NO_STRINGS
 138 #define OD(oid,tag,desc,mech,ext) { OI(oid), tag, desc, mech, ext }
 139 #else
 140 #define OD(oid,tag,desc,mech,ext) { OI(oid), tag, 0, mech, ext }
 141 #endif
 142
 143 #define CKM_INVALID_MECHANISM 0xffffffffUL
 144
 145 /* XXX this is incorrect */
 146 #define INVALID_CERT_EXTENSION 1
 147
 148 #define CKM_ECDSA                      0x00001041UL
 149 #define CKM_ECDSA_SHA1                 0x00001042UL
 150 #define CKM_ECDH1_DERIVE               0x00001050UL
 151
 152 static SECOidData ANSI_prime_oids[] = {
 153     { { siDEROID, NULL, 0 }, ECCurve_noName,
 154         "Unknown OID", CKM_INVALID_MECHANISM, INVALID_CERT_EXTENSION },
 155
 156     OD( ansiX962prime192v1, ECCurve_NIST_P192,
 157         "ANSI X9.62 elliptic curve prime192v1 (aka secp192r1, NIST P-192)",
 158         CKM_INVALID_MECHANISM,
 159         INVALID_CERT_EXTENSION ),
 160     OD( ansiX962prime192v2, ECCurve_X9_62_PRIME_192V2,
 161         "ANSI X9.62 elliptic curve prime192v2",
 162         CKM_INVALID_MECHANISM,
 163         INVALID_CERT_EXTENSION ),
 164     OD( ansiX962prime192v3, ECCurve_X9_62_PRIME_192V3,
 165         "ANSI X9.62 elliptic curve prime192v3",
 166         CKM_INVALID_MECHANISM,
 167         INVALID_CERT_EXTENSION ),
 168     OD( ansiX962prime239v1, ECCurve_X9_62_PRIME_239V1,
 169         "ANSI X9.62 elliptic curve prime239v1",
 170         CKM_INVALID_MECHANISM,
 171         INVALID_CERT_EXTENSION ),
 172     OD( ansiX962prime239v2, ECCurve_X9_62_PRIME_239V2,
 173         "ANSI X9.62 elliptic curve prime239v2",
 174         CKM_INVALID_MECHANISM,
 175         INVALID_CERT_EXTENSION ),
 176     OD( ansiX962prime239v3, ECCurve_X9_62_PRIME_239V3,
 177         "ANSI X9.62 elliptic curve prime239v3",
 178         CKM_INVALID_MECHANISM,
 179         INVALID_CERT_EXTENSION ),
 180     OD( ansiX962prime256v1, ECCurve_NIST_P256,
 181         "ANSI X9.62 elliptic curve prime256v1 (aka secp256r1, NIST P-256)",
 182         CKM_INVALID_MECHANISM,
 183         INVALID_CERT_EXTENSION )
 184 };
 185
 186 static SECOidData SECG_oids[] = {
 187     { { siDEROID, NULL, 0 }, ECCurve_noName,
 188         "Unknown OID", CKM_INVALID_MECHANISM, INVALID_CERT_EXTENSION },
 189
 190     OD( secgECsect163k1, ECCurve_NIST_K163,
 191         "SECG elliptic curve sect163k1 (aka NIST K-163)",
 192         CKM_INVALID_MECHANISM,
 193         INVALID_CERT_EXTENSION ),
 194     OD( secgECsect163r1, ECCurve_SECG_CHAR2_163R1,
 195         "SECG elliptic curve sect163r1",
 196         CKM_INVALID_MECHANISM,
 197         INVALID_CERT_EXTENSION ),
 198     OD( secgECsect239k1, ECCurve_SECG_CHAR2_239K1,
 199         "SECG elliptic curve sect239k1",
 200         CKM_INVALID_MECHANISM,
 201         INVALID_CERT_EXTENSION ),
 202     OD( secgECsect113r1, ECCurve_SECG_CHAR2_113R1,
 203         "SECG elliptic curve sect113r1",
 204         CKM_INVALID_MECHANISM,
 205         INVALID_CERT_EXTENSION ),
 206     OD( secgECsect113r2, ECCurve_SECG_CHAR2_113R2,
 207         "SECG elliptic curve sect113r2",
 208         CKM_INVALID_MECHANISM,
 209         INVALID_CERT_EXTENSION ),
 210     OD( secgECsecp112r1, ECCurve_SECG_PRIME_112R1,
 211         "SECG elliptic curve secp112r1",
 212         CKM_INVALID_MECHANISM,
 213         INVALID_CERT_EXTENSION ),
 214     OD( secgECsecp112r2, ECCurve_SECG_PRIME_112R2,
 215         "SECG elliptic curve secp112r2",
 216         CKM_INVALID_MECHANISM,
 217         INVALID_CERT_EXTENSION ),
 218     OD( secgECsecp160r1, ECCurve_SECG_PRIME_160R1,
 219         "SECG elliptic curve secp160r1",
 220         CKM_INVALID_MECHANISM,
 221         INVALID_CERT_EXTENSION ),
 222     OD( secgECsecp160k1, ECCurve_SECG_PRIME_160K1,
 223         "SECG elliptic curve secp160k1",
 224         CKM_INVALID_MECHANISM,
 225         INVALID_CERT_EXTENSION ),
 226     OD( secgECsecp256k1, ECCurve_SECG_PRIME_256K1,
 227         "SECG elliptic curve secp256k1",
 228         CKM_INVALID_MECHANISM,
 229         INVALID_CERT_EXTENSION ),
 230     { { siDEROID, NULL, 0 }, ECCurve_noName,
 231         "Unknown OID", CKM_INVALID_MECHANISM, INVALID_CERT_EXTENSION },
 232     { { siDEROID, NULL, 0 }, ECCurve_noName,
 233         "Unknown OID", CKM_INVALID_MECHANISM, INVALID_CERT_EXTENSION },
 234     { { siDEROID, NULL, 0 }, ECCurve_noName,
 235         "Unknown OID", CKM_INVALID_MECHANISM, INVALID_CERT_EXTENSION },
 236     { { siDEROID, NULL, 0 }, ECCurve_noName,
 237         "Unknown OID", CKM_INVALID_MECHANISM, INVALID_CERT_EXTENSION },
 238     OD( secgECsect163r2, ECCurve_NIST_B163,
 239         "SECG elliptic curve sect163r2 (aka NIST B-163)",
 240         CKM_INVALID_MECHANISM,
 241         INVALID_CERT_EXTENSION ),
 242     OD( secgECsect283k1, ECCurve_NIST_K283,
 243         "SECG elliptic curve sect283k1 (aka NIST K-283)",
 244         CKM_INVALID_MECHANISM,
 245         INVALID_CERT_EXTENSION ),
 246     OD( secgECsect283r1, ECCurve_NIST_B283,
 247         "SECG elliptic curve sect283r1 (aka NIST B-283)",
 248         CKM_INVALID_MECHANISM,
 249         INVALID_CERT_EXTENSION ),
 250     { { siDEROID, NULL, 0 }, ECCurve_noName,
 251         "Unknown OID", CKM_INVALID_MECHANISM, INVALID_CERT_EXTENSION },
 252     { { siDEROID, NULL, 0 }, ECCurve_noName,
 253         "Unknown OID", CKM_INVALID_MECHANISM, INVALID_CERT_EXTENSION },
 254     { { siDEROID, NULL, 0 }, ECCurve_noName,
 255         "Unknown OID", CKM_INVALID_MECHANISM, INVALID_CERT_EXTENSION },
 256     { { siDEROID, NULL, 0 }, ECCurve_noName,
 257         "Unknown OID", CKM_INVALID_MECHANISM, INVALID_CERT_EXTENSION },
 258     OD( secgECsect131r1, ECCurve_SECG_CHAR2_131R1,
 259         "SECG elliptic curve sect131r1",
 260         CKM_INVALID_MECHANISM,
 261         INVALID_CERT_EXTENSION ),
 262     OD( secgECsect131r2, ECCurve_SECG_CHAR2_131R2,
 263         "SECG elliptic curve sect131r2",
 264         CKM_INVALID_MECHANISM,
 265         INVALID_CERT_EXTENSION ),
 266     OD( secgECsect193r1, ECCurve_SECG_CHAR2_193R1,
 267         "SECG elliptic curve sect193r1",
 268         CKM_INVALID_MECHANISM,
 269         INVALID_CERT_EXTENSION ),
 270     OD( secgECsect193r2, ECCurve_SECG_CHAR2_193R2,
 271         "SECG elliptic curve sect193r2",
 272         CKM_INVALID_MECHANISM,
 273         INVALID_CERT_EXTENSION ),
 274     OD( secgECsect233k1, ECCurve_NIST_K233,
 275         "SECG elliptic curve sect233k1 (aka NIST K-233)",
 276         CKM_INVALID_MECHANISM,
 277         INVALID_CERT_EXTENSION ),
 278     OD( secgECsect233r1, ECCurve_NIST_B233,
 279         "SECG elliptic curve sect233r1 (aka NIST B-233)",
 280         CKM_INVALID_MECHANISM,
 281         INVALID_CERT_EXTENSION ),
 282     OD( secgECsecp128r1, ECCurve_SECG_PRIME_128R1,
 283         "SECG elliptic curve secp128r1",
 284         CKM_INVALID_MECHANISM,
 285         INVALID_CERT_EXTENSION ),
 286     OD( secgECsecp128r2, ECCurve_SECG_PRIME_128R2,
 287         "SECG elliptic curve secp128r2",
 288         CKM_INVALID_MECHANISM,
 289         INVALID_CERT_EXTENSION ),
 290     OD( secgECsecp160r2, ECCurve_SECG_PRIME_160R2,
 291         "SECG elliptic curve secp160r2",
 292         CKM_INVALID_MECHANISM,
 293         INVALID_CERT_EXTENSION ),
 294     OD( secgECsecp192k1, ECCurve_SECG_PRIME_192K1,
 295         "SECG elliptic curve secp192k1",
 296         CKM_INVALID_MECHANISM,
 297         INVALID_CERT_EXTENSION ),
 298     OD( secgECsecp224k1, ECCurve_SECG_PRIME_224K1,
 299         "SECG elliptic curve secp224k1",
 300         CKM_INVALID_MECHANISM,
 301         INVALID_CERT_EXTENSION ),
 302     OD( secgECsecp224r1, ECCurve_NIST_P224,
 303         "SECG elliptic curve secp224r1 (aka NIST P-224)",
 304         CKM_INVALID_MECHANISM,
 305         INVALID_CERT_EXTENSION ),
 306     OD( secgECsecp384r1, ECCurve_NIST_P384,
 307         "SECG elliptic curve secp384r1 (aka NIST P-384)",
 308         CKM_INVALID_MECHANISM,
 309         INVALID_CERT_EXTENSION ),
 310     OD( secgECsecp521r1, ECCurve_NIST_P521,
 311         "SECG elliptic curve secp521r1 (aka NIST P-521)",
 312         CKM_INVALID_MECHANISM,
 313         INVALID_CERT_EXTENSION ),
 314     OD( secgECsect409k1, ECCurve_NIST_K409,
 315         "SECG elliptic curve sect409k1 (aka NIST K-409)",
 316         CKM_INVALID_MECHANISM,
 317         INVALID_CERT_EXTENSION ),
 318     OD( secgECsect409r1, ECCurve_NIST_B409,
 319         "SECG elliptic curve sect409r1 (aka NIST B-409)",
 320         CKM_INVALID_MECHANISM,
 321         INVALID_CERT_EXTENSION ),
 322     OD( secgECsect571k1, ECCurve_NIST_K571,
 323         "SECG elliptic curve sect571k1 (aka NIST K-571)",
 324         CKM_INVALID_MECHANISM,
 325         INVALID_CERT_EXTENSION ),
 326     OD( secgECsect571r1, ECCurve_NIST_B571,
 327         "SECG elliptic curve sect571r1 (aka NIST B-571)",
 328         CKM_INVALID_MECHANISM,
 329         INVALID_CERT_EXTENSION )
 330 };
 331
 332 static SECOidData ANSI_oids[] = {
 333     { { siDEROID, NULL, 0 }, ECCurve_noName,
 334         "Unknown OID", CKM_INVALID_MECHANISM, INVALID_CERT_EXTENSION },
 335
 336     /* ANSI X9.62 named elliptic curves (characteristic two field) */
 337     OD( ansiX962c2pnb163v1, ECCurve_X9_62_CHAR2_PNB163V1,
 338         "ANSI X9.62 elliptic curve c2pnb163v1",
 339         CKM_INVALID_MECHANISM,
 340         INVALID_CERT_EXTENSION ),
 341     OD( ansiX962c2pnb163v2, ECCurve_X9_62_CHAR2_PNB163V2,
 342         "ANSI X9.62 elliptic curve c2pnb163v2",
 343         CKM_INVALID_MECHANISM,
 344         INVALID_CERT_EXTENSION ),
 345     OD( ansiX962c2pnb163v3, ECCurve_X9_62_CHAR2_PNB163V3,
 346         "ANSI X9.62 elliptic curve c2pnb163v3",
 347         CKM_INVALID_MECHANISM,
 348         INVALID_CERT_EXTENSION ),
 349     OD( ansiX962c2pnb176v1, ECCurve_X9_62_CHAR2_PNB176V1,
 350         "ANSI X9.62 elliptic curve c2pnb176v1",
 351         CKM_INVALID_MECHANISM,
 352         INVALID_CERT_EXTENSION ),
 353     OD( ansiX962c2tnb191v1, ECCurve_X9_62_CHAR2_TNB191V1,
 354         "ANSI X9.62 elliptic curve c2tnb191v1",
 355         CKM_INVALID_MECHANISM,
 356         INVALID_CERT_EXTENSION ),
 357     OD( ansiX962c2tnb191v2, ECCurve_X9_62_CHAR2_TNB191V2,
 358         "ANSI X9.62 elliptic curve c2tnb191v2",
 359         CKM_INVALID_MECHANISM,
 360         INVALID_CERT_EXTENSION ),
 361     OD( ansiX962c2tnb191v3, ECCurve_X9_62_CHAR2_TNB191V3,
 362         "ANSI X9.62 elliptic curve c2tnb191v3",
 363         CKM_INVALID_MECHANISM,
 364         INVALID_CERT_EXTENSION ),
 365     { { siDEROID, NULL, 0 }, ECCurve_noName,
 366         "Unknown OID", CKM_INVALID_MECHANISM, INVALID_CERT_EXTENSION },
 367     { { siDEROID, NULL, 0 }, ECCurve_noName,
 368         "Unknown OID", CKM_INVALID_MECHANISM, INVALID_CERT_EXTENSION },
 369     OD( ansiX962c2pnb208w1, ECCurve_X9_62_CHAR2_PNB208W1,
 370         "ANSI X9.62 elliptic curve c2pnb208w1",
 371         CKM_INVALID_MECHANISM,
 372         INVALID_CERT_EXTENSION ),
 373     OD( ansiX962c2tnb239v1, ECCurve_X9_62_CHAR2_TNB239V1,
 374         "ANSI X9.62 elliptic curve c2tnb239v1",
 375         CKM_INVALID_MECHANISM,
 376         INVALID_CERT_EXTENSION ),
 377     OD( ansiX962c2tnb239v2, ECCurve_X9_62_CHAR2_TNB239V2,
 378         "ANSI X9.62 elliptic curve c2tnb239v2",
 379         CKM_INVALID_MECHANISM,
 380         INVALID_CERT_EXTENSION ),
 381     OD( ansiX962c2tnb239v3, ECCurve_X9_62_CHAR2_TNB239V3,
 382         "ANSI X9.62 elliptic curve c2tnb239v3",
 383         CKM_INVALID_MECHANISM,
 384         INVALID_CERT_EXTENSION ),
 385     { { siDEROID, NULL, 0 }, ECCurve_noName,
 386         "Unknown OID", CKM_INVALID_MECHANISM, INVALID_CERT_EXTENSION },
 387     { { siDEROID, NULL, 0 }, ECCurve_noName,
 388         "Unknown OID", CKM_INVALID_MECHANISM, INVALID_CERT_EXTENSION },
 389     OD( ansiX962c2pnb272w1, ECCurve_X9_62_CHAR2_PNB272W1,
 390         "ANSI X9.62 elliptic curve c2pnb272w1",
 391         CKM_INVALID_MECHANISM,
 392         INVALID_CERT_EXTENSION ),
 393     OD( ansiX962c2pnb304w1, ECCurve_X9_62_CHAR2_PNB304W1,
 394         "ANSI X9.62 elliptic curve c2pnb304w1",
 395         CKM_INVALID_MECHANISM,
 396         INVALID_CERT_EXTENSION ),
 397     OD( ansiX962c2tnb359v1, ECCurve_X9_62_CHAR2_TNB359V1,
 398         "ANSI X9.62 elliptic curve c2tnb359v1",
 399         CKM_INVALID_MECHANISM,
 400         INVALID_CERT_EXTENSION ),
 401     OD( ansiX962c2pnb368w1, ECCurve_X9_62_CHAR2_PNB368W1,
 402         "ANSI X9.62 elliptic curve c2pnb368w1",
 403         CKM_INVALID_MECHANISM,
 404         INVALID_CERT_EXTENSION ),
 405     OD( ansiX962c2tnb431r1, ECCurve_X9_62_CHAR2_TNB431R1,
 406         "ANSI X9.62 elliptic curve c2tnb431r1",
 407         CKM_INVALID_MECHANISM,
 408         INVALID_CERT_EXTENSION )
 409 };
 410
 411 SECOidData *
 412 SECOID_FindOID(const SECItem *oid)
 413 {
 414     SECOidData *po;
 415     SECOidData *ret;
 416     int i;
 417
 418     if (oid->len == 8) {
 419         if (oid->data[6] == 0x00) {
 420                 /* XXX bounds check */
 421                 po = &ANSI_oids[oid->data[7]];
 422                 if (memcmp(oid->data, po->oid.data, 8) == 0)
 423                         ret = po;
 424         }
 425         if (oid->data[6] == 0x01) {
 426                 /* XXX bounds check */
 427                 po = &ANSI_prime_oids[oid->data[7]];
 428                 if (memcmp(oid->data, po->oid.data, 8) == 0)
 429                         ret = po;
 430         }
 431     } else if (oid->len == 5) {
 432         /* XXX bounds check */
 433         po = &SECG_oids[oid->data[4]];
 434         if (memcmp(oid->data, po->oid.data, 5) == 0)
 435                 ret = po;
 436     } else {
 437         ret = NULL;
 438     }
 439     return(ret);
 440 }
 441
 442 ECCurveName
 443 SECOID_FindOIDTag(const SECItem *oid)
 444 {
 445     SECOidData *oiddata;
 446
 447     oiddata = SECOID_FindOID (oid);
 448     if (oiddata == NULL)
 449         return ECCurve_noName;
 450
 451     return oiddata->offset;
 452 }