81 lines
2.6 KiB
C
81 lines
2.6 KiB
C
/****************************************************************************
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* include/nuttx/crypto/cryptodev.h
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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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#ifndef __INCLUDE_NUTTX_CRYPTO_CRYPTODEV_H
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#define __INCLUDE_NUTTX_CRYPTO_CRYPTODEV_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define RIJNDAEL128_BLOCK_LEN 16
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#define AES_BLOCK_LEN RIJNDAEL128_BLOCK_LEN
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#define CRYPTO_ALGORITHM_MIN 1
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#define CRYPTO_AES_ECB 1
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#define CRYPTO_AES_CBC 2
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#define CRYPTO_AES_CTR 3
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#define CRYPTO_ALGORITHM_MAX 1
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#define CRYPTO_FLAG_HARDWARE 0x01000000 /* hardware accelerated */
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#define CRYPTO_FLAG_SOFTWARE 0x02000000 /* software implementation */
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#define COP_ENCRYPT 1
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#define COP_DECRYPT 2
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#define COP_F_BATCH 0x0008 /* Batch op if possible */
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#define CIOCGSESSION 101
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#define CIOCFSESSION 102
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#define CIOCCRYPT 103
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typedef char *caddr_t;
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struct session_op
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{
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uint32_t cipher; /* ie. CRYPTO_AES_EBC */
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uint32_t mac;
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uint32_t keylen; /* cipher key */
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caddr_t key;
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int mackeylen; /* mac key */
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caddr_t mackey;
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uint32_t ses; /* returns: session # */
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};
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struct crypt_op
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{
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uint32_t ses;
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uint16_t op; /* i.e. COP_ENCRYPT */
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uint16_t flags;
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unsigned len;
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caddr_t src, dst; /* become iov[] inside kernel */
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caddr_t mac; /* must be big enough for chosen MAC */
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caddr_t iv;
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};
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#endif /* __INCLUDE_NUTTX_CRYPTO_CRYPTODEV_H */
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