Xuyi Wang / wolfSSL

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wolfcrypt/src/cryptodev.c@16:048e5e270a58, 2019-11-19 (annotated)

Committer:
sPymbed
Date:
Tue Nov 19 14:32:16 2019 +0000
Revision:
16:048e5e270a58
Parent:
14:167253f4e170 
working ssl

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wolfSSL 14:167253f4e170 1 /* cryptodev.c
wolfSSL 14:167253f4e170 2 *
wolfSSL 14:167253f4e170 3 * Copyright (C) 2006-2018 wolfSSL Inc.
wolfSSL 14:167253f4e170 4 *
wolfSSL 14:167253f4e170 5 * This file is part of wolfSSL.
wolfSSL 14:167253f4e170 6 *
wolfSSL 14:167253f4e170 7 * wolfSSL is free software; you can redistribute it and/or modify
wolfSSL 14:167253f4e170 8 * it under the terms of the GNU General Public License as published by
wolfSSL 14:167253f4e170 9 * the Free Software Foundation; either version 3 of the License, or
wolfSSL 14:167253f4e170 10 * (at your option) any later version.
wolfSSL 14:167253f4e170 11 *
wolfSSL 14:167253f4e170 12 * wolfSSL is distributed in the hope that it will be useful,
wolfSSL 14:167253f4e170 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wolfSSL 14:167253f4e170 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wolfSSL 14:167253f4e170 15 * GNU General Public License for more details.
wolfSSL 14:167253f4e170 16 *
wolfSSL 14:167253f4e170 17 * You should have received a copy of the GNU General Public License
wolfSSL 14:167253f4e170 18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
wolfSSL 14:167253f4e170 19 */
wolfSSL 14:167253f4e170 20
wolfSSL 14:167253f4e170 21 /* This framework provides a central place for crypto hardware integration
wolfSSL 14:167253f4e170 22 using the devId scheme. If not supported return `NOT_COMPILED_IN`. */
wolfSSL 14:167253f4e170 23
wolfSSL 14:167253f4e170 24 #ifdef HAVE_CONFIG_H
wolfSSL 14:167253f4e170 25 #include <config.h>
wolfSSL 14:167253f4e170 26 #endif
wolfSSL 14:167253f4e170 27
wolfSSL 14:167253f4e170 28 #include <wolfssl/wolfcrypt/settings.h>
wolfSSL 14:167253f4e170 29
wolfSSL 14:167253f4e170 30 #ifdef WOLF_CRYPTO_DEV
wolfSSL 14:167253f4e170 31
wolfSSL 14:167253f4e170 32 #include <wolfssl/wolfcrypt/cryptodev.h>
wolfSSL 14:167253f4e170 33 #include <wolfssl/wolfcrypt/error-crypt.h>
wolfSSL 14:167253f4e170 34 #include <wolfssl/wolfcrypt/logging.h>
wolfSSL 14:167253f4e170 35
wolfSSL 14:167253f4e170 36
wolfSSL 14:167253f4e170 37 /* TODO: Consider linked list with mutex */
wolfSSL 14:167253f4e170 38 #ifndef MAX_CRYPTO_DEVICES
wolfSSL 14:167253f4e170 39 #define MAX_CRYPTO_DEVICES 8
wolfSSL 14:167253f4e170 40 #endif
wolfSSL 14:167253f4e170 41
wolfSSL 14:167253f4e170 42 typedef struct CryptoDev {
wolfSSL 14:167253f4e170 43 int devId;
wolfSSL 14:167253f4e170 44 CryptoDevCallbackFunc cb;
wolfSSL 14:167253f4e170 45 void* ctx;
wolfSSL 14:167253f4e170 46 } CryptoDev;
wolfSSL 14:167253f4e170 47 static CryptoDev gCryptoDev[MAX_CRYPTO_DEVICES];
wolfSSL 14:167253f4e170 48
wolfSSL 14:167253f4e170 49 static CryptoDev* wc_CryptoDev_FindDevice(int devId)
wolfSSL 14:167253f4e170 50 {
wolfSSL 14:167253f4e170 51 int i;
wolfSSL 14:167253f4e170 52 for (i=0; i<MAX_CRYPTO_DEVICES; i++) {
wolfSSL 14:167253f4e170 53 if (gCryptoDev[i].devId == devId)
wolfSSL 14:167253f4e170 54 return &gCryptoDev[i];
wolfSSL 14:167253f4e170 55 }
wolfSSL 14:167253f4e170 56 return NULL;
wolfSSL 14:167253f4e170 57 }
wolfSSL 14:167253f4e170 58
wolfSSL 14:167253f4e170 59 void wc_CryptoDev_Init(void)
wolfSSL 14:167253f4e170 60 {
wolfSSL 14:167253f4e170 61 int i;
wolfSSL 14:167253f4e170 62 for (i=0; i<MAX_CRYPTO_DEVICES; i++)
wolfSSL 14:167253f4e170 63 gCryptoDev[i].devId = INVALID_DEVID;
wolfSSL 14:167253f4e170 64 }
wolfSSL 14:167253f4e170 65
wolfSSL 14:167253f4e170 66 int wc_CryptoDev_RegisterDevice(int devId, CryptoDevCallbackFunc cb, void* ctx)
wolfSSL 14:167253f4e170 67 {
wolfSSL 14:167253f4e170 68 /* find existing or new */
wolfSSL 14:167253f4e170 69 CryptoDev* dev = wc_CryptoDev_FindDevice(devId);
wolfSSL 14:167253f4e170 70 if (dev == NULL)
wolfSSL 14:167253f4e170 71 dev = wc_CryptoDev_FindDevice(INVALID_DEVID);
wolfSSL 14:167253f4e170 72
wolfSSL 14:167253f4e170 73 if (dev == NULL)
wolfSSL 14:167253f4e170 74 return BUFFER_E; /* out of devices */
wolfSSL 14:167253f4e170 75
wolfSSL 14:167253f4e170 76 dev->devId = devId;
wolfSSL 14:167253f4e170 77 dev->cb = cb;
wolfSSL 14:167253f4e170 78 dev->ctx = ctx;
wolfSSL 14:167253f4e170 79
wolfSSL 14:167253f4e170 80 return 0;
wolfSSL 14:167253f4e170 81 }
wolfSSL 14:167253f4e170 82
wolfSSL 14:167253f4e170 83 void wc_CryptoDev_UnRegisterDevice(int devId)
wolfSSL 14:167253f4e170 84 {
wolfSSL 14:167253f4e170 85 CryptoDev* dev = wc_CryptoDev_FindDevice(devId);
wolfSSL 14:167253f4e170 86 if (dev) {
wolfSSL 14:167253f4e170 87 XMEMSET(dev, 0, sizeof(*dev));
wolfSSL 14:167253f4e170 88 dev->devId = INVALID_DEVID;
wolfSSL 14:167253f4e170 89 }
wolfSSL 14:167253f4e170 90 }
wolfSSL 14:167253f4e170 91
wolfSSL 14:167253f4e170 92 #ifndef NO_RSA
wolfSSL 14:167253f4e170 93 int wc_CryptoDev_Rsa(const byte* in, word32 inLen, byte* out,
wolfSSL 14:167253f4e170 94 word32* outLen, int type, RsaKey* key, WC_RNG* rng)
wolfSSL 14:167253f4e170 95 {
wolfSSL 14:167253f4e170 96 int ret = NOT_COMPILED_IN;
wolfSSL 14:167253f4e170 97 CryptoDev* dev;
wolfSSL 14:167253f4e170 98
wolfSSL 14:167253f4e170 99 /* locate registered callback */
wolfSSL 14:167253f4e170 100 dev = wc_CryptoDev_FindDevice(key->devId);
wolfSSL 14:167253f4e170 101 if (dev) {
wolfSSL 14:167253f4e170 102 if (dev->cb) {
wolfSSL 14:167253f4e170 103 wc_CryptoInfo cryptoInfo;
wolfSSL 14:167253f4e170 104 XMEMSET(&cryptoInfo, 0, sizeof(cryptoInfo));
wolfSSL 14:167253f4e170 105 cryptoInfo.algo_type = WC_ALGO_TYPE_PK;
wolfSSL 14:167253f4e170 106 cryptoInfo.pk.type = WC_PK_TYPE_RSA;
wolfSSL 14:167253f4e170 107 cryptoInfo.pk.rsa.in = in;
wolfSSL 14:167253f4e170 108 cryptoInfo.pk.rsa.inLen = inLen;
wolfSSL 14:167253f4e170 109 cryptoInfo.pk.rsa.out = out;
wolfSSL 14:167253f4e170 110 cryptoInfo.pk.rsa.outLen = outLen;
wolfSSL 14:167253f4e170 111 cryptoInfo.pk.rsa.type = type;
wolfSSL 14:167253f4e170 112 cryptoInfo.pk.rsa.key = key;
wolfSSL 14:167253f4e170 113 cryptoInfo.pk.rsa.rng = rng;
wolfSSL 14:167253f4e170 114
wolfSSL 14:167253f4e170 115 ret = dev->cb(key->devId, &cryptoInfo, dev->ctx);
wolfSSL 14:167253f4e170 116 }
wolfSSL 14:167253f4e170 117 }
wolfSSL 14:167253f4e170 118
wolfSSL 14:167253f4e170 119 return ret;
wolfSSL 14:167253f4e170 120 }
wolfSSL 14:167253f4e170 121 #endif /* !NO_RSA */
wolfSSL 14:167253f4e170 122
wolfSSL 14:167253f4e170 123 #ifdef HAVE_ECC
wolfSSL 14:167253f4e170 124 int wc_CryptoDev_Ecdh(ecc_key* private_key, ecc_key* public_key,
wolfSSL 14:167253f4e170 125 byte* out, word32* outlen)
wolfSSL 14:167253f4e170 126 {
wolfSSL 14:167253f4e170 127 int ret = NOT_COMPILED_IN;
wolfSSL 14:167253f4e170 128 CryptoDev* dev;
wolfSSL 14:167253f4e170 129
wolfSSL 14:167253f4e170 130 /* locate registered callback */
wolfSSL 14:167253f4e170 131 dev = wc_CryptoDev_FindDevice(private_key->devId);
wolfSSL 14:167253f4e170 132 if (dev) {
wolfSSL 14:167253f4e170 133 if (dev->cb) {
wolfSSL 14:167253f4e170 134 wc_CryptoInfo cryptoInfo;
wolfSSL 14:167253f4e170 135 XMEMSET(&cryptoInfo, 0, sizeof(cryptoInfo));
wolfSSL 14:167253f4e170 136 cryptoInfo.algo_type = WC_ALGO_TYPE_PK;
wolfSSL 14:167253f4e170 137 cryptoInfo.pk.type = WC_PK_TYPE_ECDH;
wolfSSL 14:167253f4e170 138 cryptoInfo.pk.ecdh.private_key = private_key;
wolfSSL 14:167253f4e170 139 cryptoInfo.pk.ecdh.public_key = public_key;
wolfSSL 14:167253f4e170 140 cryptoInfo.pk.ecdh.out = out;
wolfSSL 14:167253f4e170 141 cryptoInfo.pk.ecdh.outlen = outlen;
wolfSSL 14:167253f4e170 142
wolfSSL 14:167253f4e170 143 ret = dev->cb(private_key->devId, &cryptoInfo, dev->ctx);
wolfSSL 14:167253f4e170 144 }
wolfSSL 14:167253f4e170 145 }
wolfSSL 14:167253f4e170 146
wolfSSL 14:167253f4e170 147 return ret;
wolfSSL 14:167253f4e170 148 }
wolfSSL 14:167253f4e170 149
wolfSSL 14:167253f4e170 150 int wc_CryptoDev_EccSign(const byte* in, word32 inlen, byte* out,
wolfSSL 14:167253f4e170 151 word32 *outlen, WC_RNG* rng, ecc_key* key)
wolfSSL 14:167253f4e170 152 {
wolfSSL 14:167253f4e170 153 int ret = NOT_COMPILED_IN;
wolfSSL 14:167253f4e170 154 CryptoDev* dev;
wolfSSL 14:167253f4e170 155
wolfSSL 14:167253f4e170 156 /* locate registered callback */
wolfSSL 14:167253f4e170 157 dev = wc_CryptoDev_FindDevice(key->devId);
wolfSSL 14:167253f4e170 158 if (dev) {
wolfSSL 14:167253f4e170 159 if (dev->cb) {
wolfSSL 14:167253f4e170 160 wc_CryptoInfo cryptoInfo;
wolfSSL 14:167253f4e170 161 XMEMSET(&cryptoInfo, 0, sizeof(cryptoInfo));
wolfSSL 14:167253f4e170 162 cryptoInfo.algo_type = WC_ALGO_TYPE_PK;
wolfSSL 14:167253f4e170 163 cryptoInfo.pk.type = WC_PK_TYPE_ECDSA_SIGN;
wolfSSL 14:167253f4e170 164 cryptoInfo.pk.eccsign.in = in;
wolfSSL 14:167253f4e170 165 cryptoInfo.pk.eccsign.inlen = inlen;
wolfSSL 14:167253f4e170 166 cryptoInfo.pk.eccsign.out = out;
wolfSSL 14:167253f4e170 167 cryptoInfo.pk.eccsign.outlen = outlen;
wolfSSL 14:167253f4e170 168 cryptoInfo.pk.eccsign.rng = rng;
wolfSSL 14:167253f4e170 169 cryptoInfo.pk.eccsign.key = key;
wolfSSL 14:167253f4e170 170
wolfSSL 14:167253f4e170 171 ret = dev->cb(key->devId, &cryptoInfo, dev->ctx);
wolfSSL 14:167253f4e170 172 }
wolfSSL 14:167253f4e170 173 }
wolfSSL 14:167253f4e170 174
wolfSSL 14:167253f4e170 175 return ret;
wolfSSL 14:167253f4e170 176 }
wolfSSL 14:167253f4e170 177
wolfSSL 14:167253f4e170 178 int wc_CryptoDev_EccVerify(const byte* sig, word32 siglen,
wolfSSL 14:167253f4e170 179 const byte* hash, word32 hashlen, int* res, ecc_key* key)
wolfSSL 14:167253f4e170 180 {
wolfSSL 14:167253f4e170 181 int ret = NOT_COMPILED_IN;
wolfSSL 14:167253f4e170 182 CryptoDev* dev;
wolfSSL 14:167253f4e170 183
wolfSSL 14:167253f4e170 184 /* locate registered callback */
wolfSSL 14:167253f4e170 185 dev = wc_CryptoDev_FindDevice(key->devId);
wolfSSL 14:167253f4e170 186 if (dev) {
wolfSSL 14:167253f4e170 187 if (dev->cb) {
wolfSSL 14:167253f4e170 188 wc_CryptoInfo cryptoInfo;
wolfSSL 14:167253f4e170 189 XMEMSET(&cryptoInfo, 0, sizeof(cryptoInfo));
wolfSSL 14:167253f4e170 190 cryptoInfo.algo_type = WC_ALGO_TYPE_PK;
wolfSSL 14:167253f4e170 191 cryptoInfo.pk.type = WC_PK_TYPE_ECDSA_VERIFY;
wolfSSL 14:167253f4e170 192 cryptoInfo.pk.eccverify.sig = sig;
wolfSSL 14:167253f4e170 193 cryptoInfo.pk.eccverify.siglen = siglen;
wolfSSL 14:167253f4e170 194 cryptoInfo.pk.eccverify.hash = hash;
wolfSSL 14:167253f4e170 195 cryptoInfo.pk.eccverify.hashlen = hashlen;
wolfSSL 14:167253f4e170 196 cryptoInfo.pk.eccverify.res = res;
wolfSSL 14:167253f4e170 197 cryptoInfo.pk.eccverify.key = key;
wolfSSL 14:167253f4e170 198
wolfSSL 14:167253f4e170 199 ret = dev->cb(key->devId, &cryptoInfo, dev->ctx);
wolfSSL 14:167253f4e170 200 }
wolfSSL 14:167253f4e170 201 }
wolfSSL 14:167253f4e170 202
wolfSSL 14:167253f4e170 203 return ret;
wolfSSL 14:167253f4e170 204 }
wolfSSL 14:167253f4e170 205 #endif /* HAVE_ECC */
wolfSSL 14:167253f4e170 206
wolfSSL 14:167253f4e170 207 #endif /* WOLF_CRYPTO_DEV */
wolfSSL 14:167253f4e170 208