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> and 23 * Douglas Stebila <douglas@stebila.ca>, Sun Microsystems Laboratories 24 * 25 * Alternatively, the contents of this file may be used under the terms of 26 * either the GNU General Public License Version 2 or later (the "GPL"), or 27 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), 28 * in which case the provisions of the GPL or the LGPL are applicable instead 29 * of those above. If you wish to allow use of your version of this file only 30 * under the terms of either the GPL or the LGPL, and not to allow others to 31 * use your version of this file under the terms of the MPL, indicate your 32 * decision by deleting the provisions above and replace them with the notice 33 * and other provisions required by the GPL or the LGPL. If you do not delete 34 * the provisions above, a recipient may use your version of this file under 35 * the terms of any one of the MPL, the GPL or the LGPL. 36 * 37 * ***** END LICENSE BLOCK ***** */ 38 /* 39 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 40 * Use is subject to license terms. 41 * 42 * Sun elects to use this software under the MPL license. 43 */ 44 45 #ifndef _ECC_IMPL_H 46 #define _ECC_IMPL_H 47 48 #ifdef __cplusplus 49 extern "C" { 50 #endif 51 52 #include <sys/types.h> 53 #include "ecl-exp.h" 54 #ifndef _KERNEL 55 #include <security/cryptoki.h> 56 #include <security/pkcs11t.h> 57 #endif /* _KERNEL */ 58 59 #define EC_MAX_DIGEST_LEN 1024 /* max digest that can be signed */ 60 #define EC_MAX_POINT_LEN 145 /* max len of DER encoded Q */ 61 #define EC_MAX_VALUE_LEN 72 /* max len of ANSI X9.62 private value d */ 62 #define EC_MAX_SIG_LEN 144 /* max signature len for supported curves */ 63 #define EC_MIN_KEY_LEN 112 /* min key length in bits */ 64 #define EC_MAX_KEY_LEN 571 /* max key length in bits */ 65 #define EC_MAX_OID_LEN 10 /* max length of OID buffer */ 66 67 /* 68 * Various structures and definitions from NSS are here. 69 */ 70 71 #ifdef _KERNEL 72 #define PORT_ArenaAlloc(a, n, f) kmem_alloc((n), (f)) 73 #define PORT_ArenaZAlloc(a, n, f) kmem_zalloc((n), (f)) 74 #define PORT_ArenaGrow(a, b, c, d) NULL 75 #define PORT_ZAlloc(n, f) kmem_zalloc((n), (f)) 76 #define PORT_Alloc(n, f) kmem_alloc((n), (f)) 77 #else 78 #define PORT_ArenaAlloc(a, n, f) malloc((n)) 79 #define PORT_ArenaZAlloc(a, n, f) calloc(1, (n)) 80 #define PORT_ArenaGrow(a, b, c, d) NULL 81 #define PORT_ZAlloc(n, f) calloc(1, (n)) 82 #define PORT_Alloc(n, f) malloc((n)) 83 #endif 84 85 #define PORT_NewArena(b) (char *)12345 86 #define PORT_ArenaMark(a) NULL 87 #define PORT_ArenaUnmark(a, b) 88 #define PORT_ArenaRelease(a, m) 89 #define PORT_FreeArena(a, b) 90 #define PORT_Strlen(s) strlen((s)) 91 #define PORT_SetError(e) 92 93 #define PRBool boolean_t 94 #define PR_TRUE B_TRUE 95 #define PR_FALSE B_FALSE 96 97 #ifdef _KERNEL 98 #define PORT_Assert ASSERT 99 #define PORT_Memcpy(t, f, l) bcopy((f), (t), (l)) 100 #else 101 #define PORT_Assert assert 102 #define PORT_Memcpy(t, f, l) memcpy((t), (f), (l)) 103 #endif 104 105 #define CHECK_OK(func) if (func == NULL) goto cleanup 106 #define CHECK_SEC_OK(func) if (SECSuccess != (rv = func)) goto cleanup 107 108 typedef enum { 109 siBuffer = 0, 110 siClearDataBuffer = 1, 111 siCipherDataBuffer = 2, 112 siDERCertBuffer = 3, 113 siEncodedCertBuffer = 4, 114 siDERNameBuffer = 5, 115 siEncodedNameBuffer = 6, 116 siAsciiNameString = 7, 117 siAsciiString = 8, 118 siDEROID = 9, 119 siUnsignedInteger = 10, 120 siUTCTime = 11, 121 siGeneralizedTime = 12 122 } SECItemType; 123 124 typedef struct SECItemStr SECItem; 125 126 struct SECItemStr { 127 SECItemType type; 128 unsigned char *data; 129 unsigned int len; 130 }; 131 132 typedef SECItem SECKEYECParams; 133 134 typedef enum { ec_params_explicit, 135 ec_params_named 136 } ECParamsType; 137 138 typedef enum { ec_field_GFp = 1, 139 ec_field_GF2m 140 } ECFieldType; 141 142 struct ECFieldIDStr { 143 int size; /* field size in bits */ 144 ECFieldType type; 145 union { 146 SECItem prime; /* prime p for (GFp) */ 147 SECItem poly; /* irreducible binary polynomial for (GF2m) */ 148 } u; 149 int k1; /* first coefficient of pentanomial or 150 * the only coefficient of trinomial 151 */ 152 int k2; /* two remaining coefficients of pentanomial */ 153 int k3; 154 }; 155 typedef struct ECFieldIDStr ECFieldID; 156 157 struct ECCurveStr { 158 SECItem a; /* contains octet stream encoding of 159 * field element (X9.62 section 4.3.3) 160 */ 161 SECItem b; 162 SECItem seed; 163 }; 164 typedef struct ECCurveStr ECCurve; 165 166 typedef void PRArenaPool; 167 168 struct ECParamsStr { 169 PRArenaPool * arena; 170 ECParamsType type; 171 ECFieldID fieldID; 172 ECCurve curve; 173 SECItem base; 174 SECItem order; 175 int cofactor; 176 SECItem DEREncoding; 177 ECCurveName name; 178 SECItem curveOID; 179 }; 180 typedef struct ECParamsStr ECParams; 181 182 struct ECPublicKeyStr { 183 ECParams ecParams; 184 SECItem publicValue; /* elliptic curve point encoded as 185 * octet stream. 186 */ 187 }; 188 typedef struct ECPublicKeyStr ECPublicKey; 189 190 struct ECPrivateKeyStr { 191 ECParams ecParams; 192 SECItem publicValue; /* encoded ec point */ 193 SECItem privateValue; /* private big integer */ 194 SECItem version; /* As per SEC 1, Appendix C, Section C.4 */ 195 }; 196 typedef struct ECPrivateKeyStr ECPrivateKey; 197 198 typedef enum _SECStatus { 199 SECBufferTooSmall = -3, 200 SECWouldBlock = -2, 201 SECFailure = -1, 202 SECSuccess = 0 203 } SECStatus; 204 205 #ifdef _KERNEL 206 #define RNG_GenerateGlobalRandomBytes(p,l) ecc_knzero_random_generator((p), (l)) 207 #else 208 #define RNG_GenerateGlobalRandomBytes(p,l) \ 209 (pkcs11_get_nzero_urandom((p), (l)) < 0 ? CKR_DEVICE_ERROR : CKR_OK) 210 #endif 211 #define CHECK_MPI_OK(func) if (MP_OKAY > (err = func)) goto cleanup 212 #define MP_TO_SEC_ERROR(err) 213 214 #define SECITEM_TO_MPINT(it, mp) \ 215 CHECK_MPI_OK(mp_read_unsigned_octets((mp), (it).data, (it).len)) 216 217 extern int ecc_knzero_random_generator(uint8_t *, size_t); 218 extern int pkcs11_get_nzero_urandom(void *, size_t); 219 220 extern SECStatus EC_DecodeParams(const SECItem *, ECParams **, int); 221 extern SECItem * SECITEM_AllocItem(PRArenaPool *, SECItem *, unsigned int, int); 222 extern SECStatus SECITEM_CopyItem(PRArenaPool *, SECItem *, const SECItem *, 223 int); 224 extern void SECITEM_FreeItem(SECItem *, boolean_t); 225 extern SECStatus EC_NewKey(ECParams *ecParams, ECPrivateKey **privKey, int); 226 extern SECStatus ECDSA_SignDigest(ECPrivateKey *, SECItem *, const SECItem *, 227 int); 228 extern SECStatus ECDSA_VerifyDigest(ECPublicKey *, const SECItem *, 229 const SECItem *, int); 230 extern SECStatus ECDH_Derive(SECItem *, ECParams *, SECItem *, boolean_t, 231 SECItem *, int); 232 233 #ifdef __cplusplus 234 } 235 #endif 236 237 #endif /* _ECC_IMPL_H */ 238