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Diff: wolfcrypt/src/cryptodev.c
- Revision:
- 17:ff9d1e86ad5f
- Parent:
- 16:048e5e270a58
--- a/wolfcrypt/src/cryptodev.c Tue Nov 19 14:32:16 2019 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,208 +0,0 @@ -/* cryptodev.c - * - * Copyright (C) 2006-2018 wolfSSL Inc. - * - * This file is part of wolfSSL. - * - * wolfSSL is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * wolfSSL is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -/* This framework provides a central place for crypto hardware integration - using the devId scheme. If not supported return `NOT_COMPILED_IN`. */ - -#ifdef HAVE_CONFIG_H - #include <config.h> -#endif - -#include <wolfssl/wolfcrypt/settings.h> - -#ifdef WOLF_CRYPTO_DEV - -#include <wolfssl/wolfcrypt/cryptodev.h> -#include <wolfssl/wolfcrypt/error-crypt.h> -#include <wolfssl/wolfcrypt/logging.h> - - -/* TODO: Consider linked list with mutex */ -#ifndef MAX_CRYPTO_DEVICES -#define MAX_CRYPTO_DEVICES 8 -#endif - -typedef struct CryptoDev { - int devId; - CryptoDevCallbackFunc cb; - void* ctx; -} CryptoDev; -static CryptoDev gCryptoDev[MAX_CRYPTO_DEVICES]; - -static CryptoDev* wc_CryptoDev_FindDevice(int devId) -{ - int i; - for (i=0; i<MAX_CRYPTO_DEVICES; i++) { - if (gCryptoDev[i].devId == devId) - return &gCryptoDev[i]; - } - return NULL; -} - -void wc_CryptoDev_Init(void) -{ - int i; - for (i=0; i<MAX_CRYPTO_DEVICES; i++) - gCryptoDev[i].devId = INVALID_DEVID; -} - -int wc_CryptoDev_RegisterDevice(int devId, CryptoDevCallbackFunc cb, void* ctx) -{ - /* find existing or new */ - CryptoDev* dev = wc_CryptoDev_FindDevice(devId); - if (dev == NULL) - dev = wc_CryptoDev_FindDevice(INVALID_DEVID); - - if (dev == NULL) - return BUFFER_E; /* out of devices */ - - dev->devId = devId; - dev->cb = cb; - dev->ctx = ctx; - - return 0; -} - -void wc_CryptoDev_UnRegisterDevice(int devId) -{ - CryptoDev* dev = wc_CryptoDev_FindDevice(devId); - if (dev) { - XMEMSET(dev, 0, sizeof(*dev)); - dev->devId = INVALID_DEVID; - } -} - -#ifndef NO_RSA -int wc_CryptoDev_Rsa(const byte* in, word32 inLen, byte* out, - word32* outLen, int type, RsaKey* key, WC_RNG* rng) -{ - int ret = NOT_COMPILED_IN; - CryptoDev* dev; - - /* locate registered callback */ - dev = wc_CryptoDev_FindDevice(key->devId); - if (dev) { - if (dev->cb) { - wc_CryptoInfo cryptoInfo; - XMEMSET(&cryptoInfo, 0, sizeof(cryptoInfo)); - cryptoInfo.algo_type = WC_ALGO_TYPE_PK; - cryptoInfo.pk.type = WC_PK_TYPE_RSA; - cryptoInfo.pk.rsa.in = in; - cryptoInfo.pk.rsa.inLen = inLen; - cryptoInfo.pk.rsa.out = out; - cryptoInfo.pk.rsa.outLen = outLen; - cryptoInfo.pk.rsa.type = type; - cryptoInfo.pk.rsa.key = key; - cryptoInfo.pk.rsa.rng = rng; - - ret = dev->cb(key->devId, &cryptoInfo, dev->ctx); - } - } - - return ret; -} -#endif /* !NO_RSA */ - -#ifdef HAVE_ECC -int wc_CryptoDev_Ecdh(ecc_key* private_key, ecc_key* public_key, - byte* out, word32* outlen) -{ - int ret = NOT_COMPILED_IN; - CryptoDev* dev; - - /* locate registered callback */ - dev = wc_CryptoDev_FindDevice(private_key->devId); - if (dev) { - if (dev->cb) { - wc_CryptoInfo cryptoInfo; - XMEMSET(&cryptoInfo, 0, sizeof(cryptoInfo)); - cryptoInfo.algo_type = WC_ALGO_TYPE_PK; - cryptoInfo.pk.type = WC_PK_TYPE_ECDH; - cryptoInfo.pk.ecdh.private_key = private_key; - cryptoInfo.pk.ecdh.public_key = public_key; - cryptoInfo.pk.ecdh.out = out; - cryptoInfo.pk.ecdh.outlen = outlen; - - ret = dev->cb(private_key->devId, &cryptoInfo, dev->ctx); - } - } - - return ret; -} - -int wc_CryptoDev_EccSign(const byte* in, word32 inlen, byte* out, - word32 *outlen, WC_RNG* rng, ecc_key* key) -{ - int ret = NOT_COMPILED_IN; - CryptoDev* dev; - - /* locate registered callback */ - dev = wc_CryptoDev_FindDevice(key->devId); - if (dev) { - if (dev->cb) { - wc_CryptoInfo cryptoInfo; - XMEMSET(&cryptoInfo, 0, sizeof(cryptoInfo)); - cryptoInfo.algo_type = WC_ALGO_TYPE_PK; - cryptoInfo.pk.type = WC_PK_TYPE_ECDSA_SIGN; - cryptoInfo.pk.eccsign.in = in; - cryptoInfo.pk.eccsign.inlen = inlen; - cryptoInfo.pk.eccsign.out = out; - cryptoInfo.pk.eccsign.outlen = outlen; - cryptoInfo.pk.eccsign.rng = rng; - cryptoInfo.pk.eccsign.key = key; - - ret = dev->cb(key->devId, &cryptoInfo, dev->ctx); - } - } - - return ret; -} - -int wc_CryptoDev_EccVerify(const byte* sig, word32 siglen, - const byte* hash, word32 hashlen, int* res, ecc_key* key) -{ - int ret = NOT_COMPILED_IN; - CryptoDev* dev; - - /* locate registered callback */ - dev = wc_CryptoDev_FindDevice(key->devId); - if (dev) { - if (dev->cb) { - wc_CryptoInfo cryptoInfo; - XMEMSET(&cryptoInfo, 0, sizeof(cryptoInfo)); - cryptoInfo.algo_type = WC_ALGO_TYPE_PK; - cryptoInfo.pk.type = WC_PK_TYPE_ECDSA_VERIFY; - cryptoInfo.pk.eccverify.sig = sig; - cryptoInfo.pk.eccverify.siglen = siglen; - cryptoInfo.pk.eccverify.hash = hash; - cryptoInfo.pk.eccverify.hashlen = hashlen; - cryptoInfo.pk.eccverify.res = res; - cryptoInfo.pk.eccverify.key = key; - - ret = dev->cb(key->devId, &cryptoInfo, dev->ctx); - } - } - - return ret; -} -#endif /* HAVE_ECC */ - -#endif /* WOLF_CRYPTO_DEV */ -