4e016e2260
(1)add dev_alt to manage /dev/crypto (2)add sha_alt to alternate sha1 algorithm (3)use new mbedtls_config.h to admin configs of mbedtls Signed-off-by: makejian <makejian@xiaomi.com>
99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
/****************************************************************************
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* apps/crypto/mbedtls/source/dev_alt.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <errno.h>
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#include <fcntl.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include "dev_alt.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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int cryptodev_init(FAR cryptodev_context_t *ctx)
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{
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int ret;
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int fd;
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memset(ctx, 0, sizeof(cryptodev_context_t));
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fd = open("/dev/crypto", O_RDWR, 0);
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if (fd < 0)
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{
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return -errno;
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}
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ret = ioctl(fd, CRIOGET, &ctx->fd);
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close(fd);
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if (ret < 0)
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{
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ret = -errno;
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}
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return ret;
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}
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void cryptodev_free(FAR cryptodev_context_t *ctx)
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{
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close(ctx->fd);
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memset(ctx, 0, sizeof(cryptodev_context_t));
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}
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int cryptodev_get_session(FAR cryptodev_context_t *ctx)
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{
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int ret;
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ret = ioctl(ctx->fd, CIOCGSESSION, &ctx->session);
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if (ret < 0)
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{
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return -errno;
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}
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ctx->crypt.ses = ctx->session.ses;
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return ret;
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}
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void cryptodev_free_session(FAR cryptodev_context_t *ctx)
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{
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ioctl(ctx->fd, CIOCFSESSION, &ctx->session.ses);
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ctx->crypt.ses = 0;
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}
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int cryptodev_crypt(FAR cryptodev_context_t *ctx)
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{
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int ret;
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ret = ioctl(ctx->fd, CIOCCRYPT, &ctx->crypt);
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return ret < 0 ? -errno : ret;
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}
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int cryptodev_clone(FAR cryptodev_context_t *dst,
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FAR const cryptodev_context_t *src)
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{
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dst->session = src->session;
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dst->crypt = src->crypt;
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return cryptodev_get_session(dst);
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}
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