768 lines
38 KiB
C
768 lines
38 KiB
C
/* Copyright 2018 Canaan Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _DRIVER_AES_H
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#define _DRIVER_AES_H
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#include <stdlib.h>
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#include <stdint.h>
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#include "platform.h"
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#include "dmac.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum _aes_cipher_mode
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{
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AES_ECB = 0,
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AES_CBC = 1,
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AES_GCM = 2,
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AES_CIPHER_MAX,
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} aes_cipher_mode_t;
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typedef enum _aes_kmode
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{
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AES_128 = 16,
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AES_192 = 24,
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AES_256 = 32,
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} aes_kmode_t;
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typedef enum _aes_iv_len
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{
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IV_LEN_96 = 12,
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IV_LEN_128 = 16,
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} aes_iv_len_t;
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typedef enum _aes_encrypt_sel
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{
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AES_HARD_ENCRYPTION = 0,
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AES_HARD_DECRYPTION = 1,
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} aes_encrypt_sel_t;
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typedef struct _aes_mode_ctl
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{
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/* [2:0]:000:ecb; 001:cbc,010:gcm */
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uint32_t cipher_mode : 3;
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/* [4:3]:00:aes-128; 01:aes-192; 10:aes-256;11:reserved*/
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uint32_t kmode : 2;
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/* [6:5]:input key order 1：little endian; 0: big endian */
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uint32_t key_order : 2;
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/* [8:7]:input data order 1：little endian; 0: big endian */
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uint32_t input_order : 2;
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/* [10:9]:output data order 1：little endian; 0: big endian */
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uint32_t output_order : 2;
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uint32_t reserved : 21;
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} __attribute__((packed, aligned(4))) aes_mode_ctl_t;
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/**
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* @brief AES
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*/
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typedef struct _aes
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{
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/* (0x00) customer key.1st~4th byte key */
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uint32_t aes_key[4];
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/* (0x10) 0: encryption; 1: decryption */
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uint32_t encrypt_sel;
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/* (0x14) aes mode reg */
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aes_mode_ctl_t mode_ctl;
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/* (0x18) Initialisation Vector. GCM support 96bit. CBC support 128bit */
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uint32_t aes_iv[4];
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/* (0x28) input data endian;1:little endian; 0:big endian */
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uint32_t aes_endian;
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/* (0x2c) calculate status. 1:finish; 0:not finish */
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uint32_t aes_finish;
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/* (0x30) aes out data to dma 0:cpu 1:dma */
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uint32_t dma_sel;
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/* (0x34) gcm Additional authenticated data number */
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uint32_t gb_aad_num;
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uint32_t reserved;
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/* (0x3c) aes plantext/ciphter text input data number */
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uint32_t gb_pc_num;
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/* (0x40) aes plantext/ciphter text input data */
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uint32_t aes_text_data;
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/* (0x44) Additional authenticated data */
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uint32_t aes_aad_data;
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/**
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* (0x48) [1:0],b'00:check not finish; b'01:check fail; b'10:check success;
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* b'11:reversed
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*/
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uint32_t tag_chk;
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/* (0x4c) data can input flag. 1: data can input; 0 : data cannot input */
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uint32_t data_in_flag;
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/* (0x50) gcm input tag for compare with the calculate tag */
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uint32_t gcm_in_tag[4];
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/* (0x60) aes plantext/ciphter text output data */
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uint32_t aes_out_data;
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/* (0x64) aes module enable */
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uint32_t gb_aes_en;
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/* (0x68) data can output flag 1: data ready 0: data not ready */
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uint32_t data_out_flag;
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/* (0x6c) allow tag input when use gcm */
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uint32_t tag_in_flag;
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/* (0x70) clear tag_chk */
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uint32_t tag_clear;
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uint32_t gcm_out_tag[4];
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/* (0x84) customer key for aes-192 aes-256.5th~8th byte key */
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uint32_t aes_key_ext[4];
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} __attribute__((packed, aligned(4))) aes_t;
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typedef struct _gcm_context
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{
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/* The buffer holding the encryption or decryption key. */
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uint8_t *input_key;
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/* The initialization vector. must be 96 bit */
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uint8_t *iv;
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/* The buffer holding the Additional authenticated data. or NULL */
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uint8_t *gcm_aad;
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/* The length of the Additional authenticated data. or 0L */
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size_t gcm_aad_len;
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} gcm_context_t;
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typedef struct _cbc_context
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{
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/* The buffer holding the encryption or decryption key. */
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uint8_t *input_key;
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/* The initialization vector. must be 128 bit */
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uint8_t *iv;
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} cbc_context_t;
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/**
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* @brief AES-ECB-128 decryption
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*
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* @param[in] input_key The decryption key. must be 16bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* The buffer size must be larger than the size after padding by 16 byte multiples.
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*/
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void aes_ecb128_hard_decrypt(uint8_t *input_key, uint8_t *input_data, size_t input_len, uint8_t *output_data);
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/**
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* @brief AES-ECB-128 encryption
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*
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* @param[in] input_key The encryption key. must be 16bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* The buffer size must be larger than the size after padding by 16 byte multiples.
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*/
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void aes_ecb128_hard_encrypt(uint8_t *input_key, uint8_t *input_data, size_t input_len, uint8_t *output_data);
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/**
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* @brief AES-ECB-192 decryption
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*
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* @param[in] input_key The decryption key. must be 24bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* The buffer size must be larger than the size after padding by 16 byte multiples.
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*/
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void aes_ecb192_hard_decrypt(uint8_t *input_key, uint8_t *input_data, size_t input_len, uint8_t *output_data);
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/**
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* @brief AES-ECB-192 encryption
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*
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* @param[in] input_key The encryption key. must be 24bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* The buffer size must be larger than the size after padding by 16 byte multiples.
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*/
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void aes_ecb192_hard_encrypt(uint8_t *input_key, uint8_t *input_data, size_t input_len, uint8_t *output_data);
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/**
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* @brief AES-ECB-256 decryption
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*
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* @param[in] input_key The decryption key. must be 32bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* The buffer size must be larger than the size after padding by 16 byte multiples.
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*/
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void aes_ecb256_hard_decrypt(uint8_t *input_key, uint8_t *input_data, size_t input_len, uint8_t *output_data);
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/**
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* @brief AES-ECB-256 encryption
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*
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* @param[in] input_key The encryption key. must be 32bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* The buffer size must be larger than the size after padding by 16 byte multiples.
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*/
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void aes_ecb256_hard_encrypt(uint8_t *input_key, uint8_t *input_data, size_t input_len, uint8_t *output_data);
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/**
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* @brief AES-CBC-128 decryption
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*
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* @param[in] context The cbc context to use for encryption or decryption.
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* @param[in] input_key The decryption key. must be 16bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* The buffer size must be larger than the size after padding by 16 byte multiples.
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*/
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void aes_cbc128_hard_decrypt(cbc_context_t *context, uint8_t *input_data, size_t input_len, uint8_t *output_data);
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/**
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* @brief AES-CBC-128 encryption
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*
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* @param[in] context The cbc context to use for encryption or decryption.
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* @param[in] input_key The encryption key. must be 16bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* The buffer size must be larger than the size after padding by 16 byte multiples.
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*/
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void aes_cbc128_hard_encrypt(cbc_context_t *context, uint8_t *input_data, size_t input_len, uint8_t *output_data);
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/**
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* @brief AES-CBC-192 decryption
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*
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* @param[in] context The cbc context to use for encryption or decryption.
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* @param[in] input_key The decryption key. must be 24bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* The buffer size must be larger than the size after padding by 16 byte multiples.
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*/
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void aes_cbc192_hard_decrypt(cbc_context_t *context, uint8_t *input_data, size_t input_len, uint8_t *output_data);
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/**
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* @brief AES-CBC-192 encryption
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*
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* @param[in] context The cbc context to use for encryption or decryption.
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* @param[in] input_key The encryption key. must be 24bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* The buffer size must be larger than the size after padding by 16 byte multiples.
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*/
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void aes_cbc192_hard_encrypt(cbc_context_t *context, uint8_t *input_data, size_t input_len, uint8_t *output_data);
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/**
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* @brief AES-CBC-256 decryption
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*
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* @param[in] context The cbc context to use for encryption or decryption.
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* @param[in] input_key The decryption key. must be 32bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* The buffer size must be larger than the size after padding by 16 byte multiples.
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*/
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void aes_cbc256_hard_decrypt(cbc_context_t *context, uint8_t *input_data, size_t input_len, uint8_t *output_data);
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/**
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* @brief AES-CBC-256 encryption
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*
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* @param[in] context The cbc context to use for encryption or decryption.
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* @param[in] input_key The encryption key. must be 32bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* The buffer size must be larger than the size after padding by 16 byte multiples.
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*/
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void aes_cbc256_hard_encrypt(cbc_context_t *context, uint8_t *input_data, size_t input_len, uint8_t *output_data);
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/**
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* @brief AES-GCM-128 decryption
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*
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* @param[in] context The gcm context to use for encryption or decryption.
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* @param[in] input_key The decryption key. must be 16bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* @param[out] gcm_tag The buffer for holding the tag.The length of the tag must be 4 bytes.
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*/
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void aes_gcm128_hard_decrypt(gcm_context_t *context, uint8_t *input_data, size_t input_len, uint8_t *output_data, uint8_t *gcm_tag);
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/**
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* @brief AES-GCM-128 encryption
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*
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* @param[in] context The gcm context to use for encryption or decryption.
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* @param[in] input_key The encryption key. must be 16bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* @param[out] gcm_tag The buffer for holding the tag.The length of the tag must be 4 bytes.
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*/
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void aes_gcm128_hard_encrypt(gcm_context_t *context, uint8_t *input_data, size_t input_len, uint8_t *output_data, uint8_t *gcm_tag);
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/**
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* @brief AES-GCM-192 decryption
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*
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* @param[in] context The gcm context to use for encryption or decryption.
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* @param[in] input_key The decryption key. must be 24bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* @param[out] gcm_tag The buffer for holding the tag.The length of the tag must be 4 bytes.
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*/
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void aes_gcm192_hard_decrypt(gcm_context_t *context, uint8_t *input_data, size_t input_len, uint8_t *output_data, uint8_t *gcm_tag);
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/**
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* @brief AES-GCM-192 encryption
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*
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* @param[in] context The gcm context to use for encryption or decryption.
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* @param[in] input_key The encryption key. must be 24bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* @param[out] gcm_tag The buffer for holding the tag.The length of the tag must be 4 bytes.
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*/
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void aes_gcm192_hard_encrypt(gcm_context_t *context, uint8_t *input_data, size_t input_len, uint8_t *output_data, uint8_t *gcm_tag);
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/**
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* @brief AES-GCM-256 decryption
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*
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* @param[in] context The gcm context to use for encryption or decryption.
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* @param[in] input_key The decryption key. must be 32bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* @param[out] gcm_tag The buffer for holding the tag.The length of the tag must be 4 bytes.
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*/
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void aes_gcm256_hard_decrypt(gcm_context_t *context, uint8_t *input_data, size_t input_len, uint8_t *output_data, uint8_t *gcm_tag);
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/**
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* @brief AES-GCM-256 encryption
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*
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* @param[in] context The gcm context to use for encryption or decryption.
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* @param[in] input_key The encryption key. must be 32bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* @param[out] gcm_tag The buffer for holding the tag.The length of the tag must be 4 bytes.
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*/
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void aes_gcm256_hard_encrypt(gcm_context_t *context, uint8_t *input_data, size_t input_len, uint8_t *output_data, uint8_t *gcm_tag);
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/**
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* @brief AES-ECB-128 decryption by dma
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*
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* @param[in] dma_receive_channel_num Dmac receive channel number.
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* @param[in] input_key The decryption key. must be 16bytes.
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* @param[in] input_data The buffer holding the input data.
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* @param[in] input_len The length of a data unit in bytes.
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* This can be any length between 16 bytes and 2^31 bytes inclusive
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* (between 1 and 2^27 block cipher blocks).
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* @param[out] output_data The buffer holding the output data.
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* The buffer size must be larger than the size after padding by 16 byte multiples.
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*/
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void aes_ecb128_hard_decrypt_dma(dmac_channel_number_t dma_receive_channel_num,
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uint8_t *input_key,
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uint8_t *input_data,
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size_t input_len,
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uint8_t *output_data);
|
||
|
||
/**
|
||
* @brief AES-ECB-128 encryption by dma
|
||
*
|
||
* @param[in] dma_receive_channel_num Dmac receive channel number.
|
||
* @param[in] input_key The encryption key. must be 16bytes.
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[in] input_len The length of a data unit in bytes.
|
||
* This can be any length between 16 bytes and 2^31 bytes inclusive
|
||
* (between 1 and 2^27 block cipher blocks).
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* The buffer size must be larger than the size after padding by 16 byte multiples.
|
||
*/
|
||
void aes_ecb128_hard_encrypt_dma(dmac_channel_number_t dma_receive_channel_num,
|
||
uint8_t *input_key,
|
||
uint8_t *input_data,
|
||
size_t input_len,
|
||
uint8_t *output_data);
|
||
|
||
/**
|
||
* @brief AES-ECB-192 decryption by dma
|
||
*
|
||
* @param[in] dma_receive_channel_num Dmac receive channel number.
|
||
* @param[in] input_key The decryption key. must be 16bytes.
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[in] input_len The length of a data unit in bytes.
|
||
* This can be any length between 16 bytes and 2^31 bytes inclusive
|
||
* (between 1 and 2^27 block cipher blocks).
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* The buffer size must be larger than the size after padding by 16 byte multiples.
|
||
*/
|
||
void aes_ecb192_hard_decrypt_dma(dmac_channel_number_t dma_receive_channel_num,
|
||
uint8_t *input_key,
|
||
uint8_t *input_data,
|
||
size_t input_len,
|
||
uint8_t *output_data);
|
||
|
||
/**
|
||
* @brief AES-ECB-192 encryption by dma
|
||
*
|
||
* @param[in] dma_receive_channel_num Dmac receive channel number.
|
||
* @param[in] input_key The encryption key. must be 16bytes.
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[in] input_len The length of a data unit in bytes.
|
||
* This can be any length between 16 bytes and 2^31 bytes inclusive
|
||
* (between 1 and 2^27 block cipher blocks).
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* The buffer size must be larger than the size after padding by 16 byte multiples.
|
||
*/
|
||
void aes_ecb192_hard_encrypt_dma(dmac_channel_number_t dma_receive_channel_num,
|
||
uint8_t *input_key,
|
||
uint8_t *input_data,
|
||
size_t input_len,
|
||
uint8_t *output_data);
|
||
|
||
/**
|
||
* @brief AES-ECB-256 decryption by dma
|
||
*
|
||
* @param[in] dma_receive_channel_num Dmac receive channel number.
|
||
* @param[in] input_key The decryption key. must be 16bytes.
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[in] input_len The length of a data unit in bytes.
|
||
* This can be any length between 16 bytes and 2^31 bytes inclusive
|
||
* (between 1 and 2^27 block cipher blocks).
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* The buffer size must be larger than the size after padding by 16 byte multiples.
|
||
*/
|
||
void aes_ecb256_hard_decrypt_dma(dmac_channel_number_t dma_receive_channel_num,
|
||
uint8_t *input_key,
|
||
uint8_t *input_data,
|
||
size_t input_len,
|
||
uint8_t *output_data);
|
||
|
||
/**
|
||
* @brief AES-ECB-256 encryption by dma
|
||
*
|
||
* @param[in] dma_receive_channel_num Dmac receive channel number.
|
||
* @param[in] input_key The encryption key. must be 16bytes.
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[in] input_len The length of a data unit in bytes.
|
||
* This can be any length between 16 bytes and 2^31 bytes inclusive
|
||
* (between 1 and 2^27 block cipher blocks).
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* The buffer size must be larger than the size after padding by 16 byte multiples.
|
||
*/
|
||
void aes_ecb256_hard_encrypt_dma(dmac_channel_number_t dma_receive_channel_num,
|
||
uint8_t *input_key,
|
||
uint8_t *input_data,
|
||
size_t input_len,
|
||
uint8_t *output_data);
|
||
|
||
/**
|
||
* @brief AES-CBC-128 decryption
|
||
*
|
||
* @param[in] dma_receive_channel_num Dmac receive channel number.
|
||
* @param[in] context The cbc context to use for encryption or decryption.
|
||
* @param[in] input_key The encryption key. must be 24bytes.
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[in] input_len The length of a data unit in bytes.
|
||
* This can be any length between 16 bytes and 2^31 bytes inclusive
|
||
* (between 1 and 2^27 block cipher blocks).
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* The buffer size must be larger than the size after padding by 16 byte multiples.
|
||
*/
|
||
void aes_cbc128_hard_decrypt_dma(dmac_channel_number_t dma_receive_channel_num,
|
||
cbc_context_t *context,
|
||
uint8_t *input_data,
|
||
size_t input_len,
|
||
uint8_t *output_data);
|
||
|
||
/**
|
||
* @brief AES-CBC-128 encryption
|
||
*
|
||
* @param[in] dma_receive_channel_num Dmac receive channel number.
|
||
* @param[in] context The cbc context to use for encryption or decryption.
|
||
* @param[in] input_key The encryption key. must be 24bytes.
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[in] input_len The length of a data unit in bytes.
|
||
* This can be any length between 16 bytes and 2^31 bytes inclusive
|
||
* (between 1 and 2^27 block cipher blocks).
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* The buffer size must be larger than the size after padding by 16 byte multiples.
|
||
*/
|
||
void aes_cbc128_hard_encrypt_dma(dmac_channel_number_t dma_receive_channel_num,
|
||
cbc_context_t *context,
|
||
uint8_t *input_data,
|
||
size_t input_len,
|
||
uint8_t *output_data);
|
||
|
||
/**
|
||
* @brief AES-CBC-192 decryption
|
||
*
|
||
* @param[in] dma_receive_channel_num Dmac receive channel number.
|
||
* @param[in] context The cbc context to use for encryption or decryption.
|
||
* @param[in] input_key The decryption key. must be 24bytes.
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[in] input_len The length of a data unit in bytes.
|
||
* This can be any length between 16 bytes and 2^31 bytes inclusive
|
||
* (between 1 and 2^27 block cipher blocks).
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* The buffer size must be larger than the size after padding by 16 byte multiples.
|
||
*/
|
||
void aes_cbc192_hard_decrypt_dma(dmac_channel_number_t dma_receive_channel_num,
|
||
cbc_context_t *context,
|
||
uint8_t *input_data,
|
||
size_t input_len,
|
||
uint8_t *output_data);
|
||
|
||
/**
|
||
* @brief AES-CBC-192 encryption
|
||
*
|
||
* @param[in] dma_receive_channel_num Dmac receive channel number.
|
||
* @param[in] context The cbc context to use for encryption or decryption.
|
||
* @param[in] input_key The encryption key. must be 24bytes.
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[in] input_len The length of a data unit in bytes.
|
||
* This can be any length between 16 bytes and 2^31 bytes inclusive
|
||
* (between 1 and 2^27 block cipher blocks).
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* The buffer size must be larger than the size after padding by 16 byte multiples.
|
||
*/
|
||
void aes_cbc192_hard_encrypt_dma(dmac_channel_number_t dma_receive_channel_num,
|
||
cbc_context_t *context,
|
||
uint8_t *input_data,
|
||
size_t input_len,
|
||
uint8_t *output_data);
|
||
|
||
/**
|
||
* @brief AES-CBC-256 decryption
|
||
*
|
||
* @param[in] dma_receive_channel_num Dmac receive channel number.
|
||
* @param[in] context The cbc context to use for encryption or decryption.
|
||
* @param[in] input_key The decryption key. must be 24bytes.
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[in] input_len The length of a data unit in bytes.
|
||
* This can be any length between 16 bytes and 2^31 bytes inclusive
|
||
* (between 1 and 2^27 block cipher blocks).
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* The buffer size must be larger than the size after padding by 16 byte multiples.
|
||
*/
|
||
void aes_cbc256_hard_decrypt_dma(dmac_channel_number_t dma_receive_channel_num,
|
||
cbc_context_t *context,
|
||
uint8_t *input_data,
|
||
size_t input_len,
|
||
uint8_t *output_data);
|
||
|
||
/**
|
||
* @brief AES-CBC-256 encryption
|
||
*
|
||
* @param[in] dma_receive_channel_num Dmac receive channel number.
|
||
* @param[in] context The cbc context to use for encryption or decryption.
|
||
* @param[in] input_key The encryption key. must be 24bytes.
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[in] input_len The length of a data unit in bytes.
|
||
* This can be any length between 16 bytes and 2^31 bytes inclusive
|
||
* (between 1 and 2^27 block cipher blocks).
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* The buffer size must be larger than the size after padding by 16 byte multiples.
|
||
*/
|
||
void aes_cbc256_hard_encrypt_dma(dmac_channel_number_t dma_receive_channel_num,
|
||
cbc_context_t *context,
|
||
uint8_t *input_data,
|
||
size_t input_len,
|
||
uint8_t *output_data);
|
||
|
||
/**
|
||
* @brief AES-GCM-128 decryption
|
||
*
|
||
* @param[in] dma_receive_channel_num Dmac receive channel number.
|
||
* @param[in] context The gcm context to use for encryption or decryption.
|
||
* @param[in] input_key The decryption key. must be 16bytes.
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[in] input_len The length of a data unit in bytes. Must be 4 byte multiples.
|
||
* This can be any length between 16 bytes and 2^31 bytes inclusive
|
||
* (between 1 and 2^27 block cipher blocks).
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* @param[out] gcm_tag The buffer for holding the tag.The length of the tag must be 4 bytes.
|
||
*/
|
||
void aes_gcm128_hard_decrypt_dma(dmac_channel_number_t dma_receive_channel_num,
|
||
gcm_context_t *context,
|
||
uint8_t *input_data,
|
||
size_t input_len,
|
||
uint8_t *output_data,
|
||
uint8_t *gcm_tag);
|
||
|
||
/**
|
||
* @brief AES-GCM-128 encryption
|
||
*
|
||
* @param[in] dma_receive_channel_num Dmac receive channel number.
|
||
* @param[in] context The gcm context to use for encryption or decryption.
|
||
* @param[in] input_key The encryption key. must be 16bytes.
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[in] input_len The length of a data unit in bytes. Must be 4 byte multiples.
|
||
* This can be any length between 16 bytes and 2^31 bytes inclusive
|
||
* (between 1 and 2^27 block cipher blocks).
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* @param[out] gcm_tag The buffer for holding the tag.The length of the tag must be 4 bytes.
|
||
*/
|
||
void aes_gcm128_hard_encrypt_dma(dmac_channel_number_t dma_receive_channel_num,
|
||
gcm_context_t *context,
|
||
uint8_t *input_data,
|
||
size_t input_len,
|
||
uint8_t *output_data,
|
||
uint8_t *gcm_tag);
|
||
|
||
/**
|
||
* @brief AES-GCM-192 decryption
|
||
*
|
||
* @param[in] dma_receive_channel_num Dmac receive channel number.
|
||
* @param[in] context The gcm context to use for encryption or decryption.
|
||
* @param[in] input_key The decryption key. must be 16bytes.
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[in] input_len The length of a data unit in bytes. Must be 4 byte multiples.
|
||
* This can be any length between 16 bytes and 2^31 bytes inclusive
|
||
* (between 1 and 2^27 block cipher blocks).
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* @param[out] gcm_tag The buffer for holding the tag.The length of the tag must be 4 bytes.
|
||
*/
|
||
void aes_gcm192_hard_decrypt_dma(dmac_channel_number_t dma_receive_channel_num,
|
||
gcm_context_t *context,
|
||
uint8_t *input_data,
|
||
size_t input_len,
|
||
uint8_t *output_data,
|
||
uint8_t *gcm_tag);
|
||
|
||
/**
|
||
* @brief AES-GCM-192 encryption
|
||
*
|
||
* @param[in] dma_receive_channel_num Dmac receive channel number.
|
||
* @param[in] context The gcm context to use for encryption or decryption.
|
||
* @param[in] input_key The encryption key. must be 16bytes.
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[in] input_len The length of a data unit in bytes. Must be 4 byte multiples.
|
||
* This can be any length between 16 bytes and 2^31 bytes inclusive
|
||
* (between 1 and 2^27 block cipher blocks).
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* @param[out] gcm_tag The buffer for holding the tag.The length of the tag must be 4 bytes.
|
||
*/
|
||
void aes_gcm192_hard_encrypt_dma(dmac_channel_number_t dma_receive_channel_num,
|
||
gcm_context_t *context,
|
||
uint8_t *input_data,
|
||
size_t input_len,
|
||
uint8_t *output_data,
|
||
uint8_t *gcm_tag);
|
||
|
||
/**
|
||
* @brief AES-GCM-256 decryption
|
||
*
|
||
* @param[in] dma_receive_channel_num Dmac receive channel number.
|
||
* @param[in] context The gcm context to use for encryption or decryption.
|
||
* @param[in] input_key The decryption key. must be 16bytes.
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[in] input_len The length of a data unit in bytes. Must be 4 byte multiples.
|
||
* This can be any length between 16 bytes and 2^31 bytes inclusive
|
||
* (between 1 and 2^27 block cipher blocks).
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* @param[out] gcm_tag The buffer for holding the tag.The length of the tag must be 4 bytes.
|
||
*/
|
||
void aes_gcm256_hard_decrypt_dma(dmac_channel_number_t dma_receive_channel_num,
|
||
gcm_context_t *context,
|
||
uint8_t *input_data,
|
||
size_t input_len,
|
||
uint8_t *output_data,
|
||
uint8_t *gcm_tag);
|
||
|
||
/**
|
||
* @brief AES-GCM-256 encryption
|
||
*
|
||
* @param[in] dma_receive_channel_num Dmac receive channel number.
|
||
* @param[in] context The gcm context to use for encryption or decryption.
|
||
* @param[in] input_key The encryption key. must be 16bytes.
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[in] input_len The length of a data unit in bytes. Must be 4 byte multiples.
|
||
* This can be any length between 16 bytes and 2^31 bytes inclusive
|
||
* (between 1 and 2^27 block cipher blocks).
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* @param[out] gcm_tag The buffer for holding the tag.The length of the tag must be 4 bytes.
|
||
*/
|
||
void aes_gcm256_hard_encrypt_dma(dmac_channel_number_t dma_receive_channel_num,
|
||
gcm_context_t *context,
|
||
uint8_t *input_data,
|
||
size_t input_len,
|
||
uint8_t *output_data,
|
||
uint8_t *gcm_tag);
|
||
|
||
/**
|
||
* @brief This function initializes the AES hard module.
|
||
*
|
||
* @param[in] input_key The buffer holding the encryption or decryption key.
|
||
* @param[in] input_key_len The length of the input_key.must be 16bytes || 24bytes || 32bytes.
|
||
* @param[in] iv The initialization vector.
|
||
* @param[in] iv_len The length of the iv.GCM must be 12bytes. CBC must be 16bytes. ECB set 0L.
|
||
* @param[in] gcm_aad The buffer holding the Additional authenticated data. or NULL
|
||
* @param[in] cipher_mode Cipher Modes.must be AES_CBC || AES_ECB || AES_GCM.
|
||
* Other cipher modes, please look forward to the next generation of kendryte.
|
||
* @param[in] encrypt_sel The operation to perform:encryption or decryption.
|
||
* @param[in] gcm_aad_len The length of the gcm_aad.
|
||
* @param[in] input_data_len The length of the input_data.
|
||
*/
|
||
void aes_init(uint8_t *input_key, size_t input_key_len, uint8_t *iv,size_t iv_len, uint8_t *gcm_aad,
|
||
aes_cipher_mode_t cipher_mode, aes_encrypt_sel_t encrypt_sel, size_t gcm_aad_len, size_t input_data_len);
|
||
|
||
/**
|
||
* @brief This function feeds an input buffer into an encryption or decryption operation.
|
||
*
|
||
* @param[in] input_data The buffer holding the input data.
|
||
* @param[out] output_data The buffer holding the output data.
|
||
* @param[in] input_data_len The length of the input_data.
|
||
* @param[in] cipher_mode Cipher Modes.must be AES_CBC || AES_ECB || AES_GCM.
|
||
* Other cipher modes, please look forward to the next generation of kendryte.
|
||
*/
|
||
void aes_process(uint8_t *input_data, uint8_t *output_data, size_t input_data_len, aes_cipher_mode_t cipher_mode);
|
||
|
||
/**
|
||
* @brief This function get the gcm tag to verify.
|
||
*
|
||
* @param[out] gcm_tag The buffer holding the gcm tag.The length of the tag must be 16bytes.
|
||
*/
|
||
void gcm_get_tag(uint8_t *gcm_tag);
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|
||
|
||
#endif /* _DRIVER_AES_H */
|