554 lines
19 KiB
C
554 lines
19 KiB
C
|
/*
|
||
|
|
* Copyright 2017 NXP
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
||
|
|
* are permitted provided that the following conditions are met:
|
||
|
|
*
|
||
|
|
* o Redistributions of source code must retain the above copyright notice, this list
|
||
|
|
* of conditions and the following disclaimer.
|
||
|
|
*
|
||
|
|
* o Redistributions in binary form must reproduce the above copyright notice, this
|
||
|
|
* list of conditions and the following disclaimer in the documentation and/or
|
||
|
|
* other materials provided with the distribution.
|
||
|
|
*
|
||
|
|
* o Neither the name of the copyright holder nor the names of its
|
||
|
|
* contributors may be used to endorse or promote products derived from this
|
||
|
|
* software without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
||
|
|
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||
|
|
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _FSL_DCP_H_
|
||
|
|
#define _FSL_DCP_H_
|
||
|
|
|
||
|
|
#include "fsl_common.h"
|
||
|
|
|
||
|
|
/*! @brief DCP status return codes. */
|
||
|
|
enum _dcp_status
|
||
|
|
{
|
||
|
|
kStatus_DCP_Again = MAKE_STATUS(kStatusGroup_DCP, 0), /*!< Non-blocking function shall be called again. */
|
||
|
|
};
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* Definitions
|
||
|
|
*******************************************************************************/
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @addtogroup dcp_driver
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
/*! @name Driver version */
|
||
|
|
/*@{*/
|
||
|
|
/*! @brief DCP driver version. Version 2.0.0.
|
||
|
|
*
|
||
|
|
* Current version: 2.0.0
|
||
|
|
*
|
||
|
|
* Change log:
|
||
|
|
* - Version 2.0.0
|
||
|
|
* - Initial version
|
||
|
|
*/
|
||
|
|
#define FSL_DCP_DRIVER_VERSION (MAKE_VERSION(2, 0, 0))
|
||
|
|
/*@}*/
|
||
|
|
|
||
|
|
/*! @brief DCP channel enable.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
typedef enum _dcp_ch_enable
|
||
|
|
{
|
||
|
|
kDCP_chDisable = 0U, /*!< DCP channel disable */
|
||
|
|
kDCP_ch0Enable = 1U, /*!< DCP channel 0 enable */
|
||
|
|
kDCP_ch1Enable = 2U, /*!< DCP channel 1 enable */
|
||
|
|
kDCP_ch2Enable = 4U, /*!< DCP channel 2 enable */
|
||
|
|
kDCP_ch3Enable = 8U, /*!< DCP channel 3 enable */
|
||
|
|
kDCP_chEnableAll = 15U, /*!< DCP channel enable all */
|
||
|
|
} _dcp_ch_enable_t;
|
||
|
|
|
||
|
|
/*! @brief DCP interrupt enable.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
typedef enum _dcp_ch_int_enable
|
||
|
|
{
|
||
|
|
kDCP_chIntDisable = 0U, /*!< DCP interrupts disable */
|
||
|
|
kDCP_ch0IntEnable = 1U, /*!< DCP channel 0 interrupt enable */
|
||
|
|
kDCP_ch1IntEnable = 2U, /*!< DCP channel 1 interrupt enable */
|
||
|
|
kDCP_ch2IntEnable = 4U, /*!< DCP channel 2 interrupt enable */
|
||
|
|
kDCP_ch3IntEnable = 8U, /*!< DCP channel 3 interrupt enable */
|
||
|
|
} _dcp_ch_int_enable_t;
|
||
|
|
|
||
|
|
/*! @brief DCP channel selection.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
typedef enum _dcp_channel
|
||
|
|
{
|
||
|
|
kDCP_Channel0 = (1u << 16), /*!< DCP channel 0. */
|
||
|
|
kDCP_Channel1 = (1u << 17), /*!< DCP channel 1. */
|
||
|
|
kDCP_Channel2 = (1u << 18), /*!< DCP channel 2. */
|
||
|
|
kDCP_Channel3 = (1u << 19), /*!< DCP channel 3. */
|
||
|
|
} dcp_channel_t;
|
||
|
|
|
||
|
|
/*! @brief DCP key slot selection.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
typedef enum _dcp_key_slot
|
||
|
|
{
|
||
|
|
kDCP_KeySlot0 = 0U, /*!< DCP key slot 0. */
|
||
|
|
kDCP_KeySlot1 = 1U, /*!< DCP key slot 1. */
|
||
|
|
kDCP_KeySlot2 = 2U, /*!< DCP key slot 2.*/
|
||
|
|
kDCP_KeySlot3 = 3U, /*!< DCP key slot 3. */
|
||
|
|
kDCP_OtpKey = 4U, /*!< DCP OTP key. */
|
||
|
|
kDCP_OtpUniqueKey = 5U, /*!< DCP unique OTP key. */
|
||
|
|
kDCP_PayloadKey = 6U, /*!< DCP payload key. */
|
||
|
|
} dcp_key_slot_t;
|
||
|
|
|
||
|
|
/*! @brief DCP's work packet. */
|
||
|
|
typedef struct _dcp_work_packet
|
||
|
|
{
|
||
|
|
uint32_t nextCmdAddress;
|
||
|
|
uint32_t control0;
|
||
|
|
uint32_t control1;
|
||
|
|
uint32_t sourceBufferAddress;
|
||
|
|
uint32_t destinationBufferAddress;
|
||
|
|
uint32_t bufferSize;
|
||
|
|
uint32_t payloadPointer;
|
||
|
|
uint32_t status;
|
||
|
|
} dcp_work_packet_t;
|
||
|
|
|
||
|
|
/*! @brief Specify DCP's key resource and DCP channel. */
|
||
|
|
typedef struct _dcp_handle
|
||
|
|
{
|
||
|
|
dcp_channel_t channel; /*!< Specify DCP channel. */
|
||
|
|
dcp_key_slot_t keySlot; /*!< For operations with key (such as AES encryption/decryption), specify DCP key slot. */
|
||
|
|
uint32_t keyWord[4];
|
||
|
|
uint32_t iv[4];
|
||
|
|
} dcp_handle_t;
|
||
|
|
|
||
|
|
/*! @brief DCP's context buffer, used by DCP for context switching between channels. */
|
||
|
|
typedef struct _dcp_context
|
||
|
|
{
|
||
|
|
uint32_t x[208 / sizeof(uint32_t)];
|
||
|
|
} dcp_context_t;
|
||
|
|
|
||
|
|
/*! @brief DCP's configuration structure. */
|
||
|
|
typedef struct _dcp_config
|
||
|
|
{
|
||
|
|
bool gatherResidualWrites; /*!< Enable the ragged writes to the unaligned buffers. */
|
||
|
|
bool enableContextCaching; /*!< Enable the caching of contexts between the operations. */
|
||
|
|
bool enableContextSwitching; /*!< Enable automatic context switching for the channels. */
|
||
|
|
uint8_t enableChannel; /*!< DCP channel enable. */
|
||
|
|
uint8_t enableChannelInterrupt; /*!< Per-channel interrupt enable. */
|
||
|
|
} dcp_config_t;
|
||
|
|
|
||
|
|
/*! @} */
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* AES Definitions
|
||
|
|
*******************************************************************************/
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @addtogroup dcp_driver_aes
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*! AES block size in bytes */
|
||
|
|
#define DCP_AES_BLOCK_SIZE 16
|
||
|
|
|
||
|
|
/*!
|
||
|
|
*@}
|
||
|
|
*/ /* end of dcp_driver_aes */
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* HASH Definitions
|
||
|
|
******************************************************************************/
|
||
|
|
/*!
|
||
|
|
* @addtogroup dcp_driver_hash
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* DCP cannot correctly compute hash for message with zero size. When enabled, driver bypases DCP and returns correct
|
||
|
|
* hash value. If you are sure, that the driver will never be called with zero sized message, you can disable this
|
||
|
|
* feature to reduce code size */
|
||
|
|
#define DCP_HASH_CAVP_COMPATIBLE
|
||
|
|
|
||
|
|
/*! @brief Supported cryptographic block cipher functions for HASH creation */
|
||
|
|
typedef enum _dcp_hash_algo_t
|
||
|
|
{
|
||
|
|
kDCP_Sha1, /*!< SHA_1 */
|
||
|
|
kDCP_Sha256, /*!< SHA_256 */
|
||
|
|
kDCP_Crc32, /*!< CRC_32 */
|
||
|
|
} dcp_hash_algo_t;
|
||
|
|
|
||
|
|
/*! @brief DCP HASH Context size. */
|
||
|
|
#define DCP_SHA_BLOCK_SIZE 128 /*!< internal buffer block size */
|
||
|
|
#define DCP_HASH_BLOCK_SIZE DCP_SHA_BLOCK_SIZE /*!< DCP hash block size */
|
||
|
|
|
||
|
|
/*! @brief DCP HASH Context size. */
|
||
|
|
#define DCP_HASH_CTX_SIZE 58
|
||
|
|
|
||
|
|
/*! @brief Storage type used to save hash context. */
|
||
|
|
typedef struct _dcp_hash_ctx_t
|
||
|
|
{
|
||
|
|
uint32_t x[DCP_HASH_CTX_SIZE];
|
||
|
|
} dcp_hash_ctx_t;
|
||
|
|
|
||
|
|
/*!
|
||
|
|
*@}
|
||
|
|
*/ /* end of dcp_driver_hash */
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* API
|
||
|
|
******************************************************************************/
|
||
|
|
#if defined(__cplusplus)
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @addtogroup dcp_driver
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Enables clock to and enables DCP
|
||
|
|
*
|
||
|
|
* Enable DCP clock and configure DCP.
|
||
|
|
*
|
||
|
|
* @param base DCP base address
|
||
|
|
* @param config Pointer to configuration structure.
|
||
|
|
*/
|
||
|
|
void DCP_Init(DCP_Type *base, const dcp_config_t *config);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Disable DCP clock
|
||
|
|
*
|
||
|
|
* Reset DCP and Disable DCP clock.
|
||
|
|
*
|
||
|
|
* @param base DCP base address
|
||
|
|
*/
|
||
|
|
void DCP_Deinit(DCP_Type *base);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Gets the default configuration structure.
|
||
|
|
*
|
||
|
|
* This function initializes the DCP configuration structure to a default value. The default
|
||
|
|
* values are as follows.
|
||
|
|
* dcpConfig->gatherResidualWrites = true;
|
||
|
|
* dcpConfig->enableContextCaching = true;
|
||
|
|
* dcpConfig->enableContextSwitching = true;
|
||
|
|
* dcpConfig->enableChannnel = kDCP_chEnableAll;
|
||
|
|
* dcpConfig->enableChannelInterrupt = kDCP_chIntDisable;
|
||
|
|
*
|
||
|
|
* @param[out] config Pointer to configuration structure.
|
||
|
|
*/
|
||
|
|
void DCP_GetDefaultConfig(dcp_config_t *config);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Poll and wait on DCP channel.
|
||
|
|
*
|
||
|
|
* Polls the specified DCP channel until current it completes activity.
|
||
|
|
*
|
||
|
|
* @param base DCP peripheral base address.
|
||
|
|
* @param handle Specifies DCP channel.
|
||
|
|
* @return kStatus_Success When data processing completes without error.
|
||
|
|
* @return kStatus_Fail When error occurs.
|
||
|
|
*/
|
||
|
|
status_t DCP_WaitForChannelComplete(DCP_Type *base, dcp_handle_t *handle);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
*@}
|
||
|
|
*/ /* end of dcp_driver */
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* AES API
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @addtogroup dcp_driver_aes
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Set AES key to dcp_handle_t struct and optionally to DCP.
|
||
|
|
*
|
||
|
|
* Sets the AES key for encryption/decryption with the dcp_handle_t structure.
|
||
|
|
* The dcp_handle_t input argument specifies keySlot.
|
||
|
|
* If the keySlot is kDCP_OtpKey, the function will check the OTP_KEY_READY bit and will return it's ready to use
|
||
|
|
* status.
|
||
|
|
* For other keySlot selections, the function will copy and hold the key in dcp_handle_t struct.
|
||
|
|
* If the keySlot is one of the four DCP SRAM-based keys (one of kDCP_KeySlot0, kDCP_KeySlot1, kDCP_KeySlot2,
|
||
|
|
* kDCP_KeySlot3),
|
||
|
|
* this function will also load the supplied key to the specified keySlot in DCP.
|
||
|
|
*
|
||
|
|
* @param base DCP peripheral base address.
|
||
|
|
* @param handle Handle used for the request.
|
||
|
|
* @param key 0-mod-4 aligned pointer to AES key.
|
||
|
|
* @param keySize AES key size in bytes. Shall equal 16.
|
||
|
|
* @return status from set key operation
|
||
|
|
*/
|
||
|
|
status_t DCP_AES_SetKey(DCP_Type *base, dcp_handle_t *handle, const uint8_t *key, size_t keySize);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Encrypts AES on one or multiple 128-bit block(s).
|
||
|
|
*
|
||
|
|
* Encrypts AES.
|
||
|
|
* The source plaintext and destination ciphertext can overlap in system memory.
|
||
|
|
*
|
||
|
|
* @param base DCP peripheral base address
|
||
|
|
* @param handle Handle used for this request.
|
||
|
|
* @param plaintext Input plain text to encrypt
|
||
|
|
* @param[out] ciphertext Output cipher text
|
||
|
|
* @param size Size of input and output data in bytes. Must be multiple of 16 bytes.
|
||
|
|
* @return Status from encrypt operation
|
||
|
|
*/
|
||
|
|
status_t DCP_AES_EncryptEcb(
|
||
|
|
DCP_Type *base, dcp_handle_t *handle, const uint8_t *plaintext, uint8_t *ciphertext, size_t size);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Decrypts AES on one or multiple 128-bit block(s).
|
||
|
|
*
|
||
|
|
* Decrypts AES.
|
||
|
|
* The source ciphertext and destination plaintext can overlap in system memory.
|
||
|
|
*
|
||
|
|
* @param base DCP peripheral base address
|
||
|
|
* @param handle Handle used for this request.
|
||
|
|
* @param ciphertext Input plain text to encrypt
|
||
|
|
* @param[out] plaintext Output cipher text
|
||
|
|
* @param size Size of input and output data in bytes. Must be multiple of 16 bytes.
|
||
|
|
* @return Status from decrypt operation
|
||
|
|
*/
|
||
|
|
status_t DCP_AES_DecryptEcb(
|
||
|
|
DCP_Type *base, dcp_handle_t *handle, const uint8_t *ciphertext, uint8_t *plaintext, size_t size);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Encrypts AES using CBC block mode.
|
||
|
|
*
|
||
|
|
* Encrypts AES using CBC block mode.
|
||
|
|
* The source plaintext and destination ciphertext can overlap in system memory.
|
||
|
|
*
|
||
|
|
* @param base DCP peripheral base address
|
||
|
|
* @param handle Handle used for this request.
|
||
|
|
* @param plaintext Input plain text to encrypt
|
||
|
|
* @param[out] ciphertext Output cipher text
|
||
|
|
* @param size Size of input and output data in bytes. Must be multiple of 16 bytes.
|
||
|
|
* @param iv Input initial vector to combine with the first input block.
|
||
|
|
* @return Status from encrypt operation
|
||
|
|
*/
|
||
|
|
status_t DCP_AES_EncryptCbc(DCP_Type *base,
|
||
|
|
dcp_handle_t *handle,
|
||
|
|
const uint8_t *plaintext,
|
||
|
|
uint8_t *ciphertext,
|
||
|
|
size_t size,
|
||
|
|
const uint8_t iv[16]);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Decrypts AES using CBC block mode.
|
||
|
|
*
|
||
|
|
* Decrypts AES using CBC block mode.
|
||
|
|
* The source ciphertext and destination plaintext can overlap in system memory.
|
||
|
|
*
|
||
|
|
* @param base DCP peripheral base address
|
||
|
|
* @param handle Handle used for this request.
|
||
|
|
* @param ciphertext Input cipher text to decrypt
|
||
|
|
* @param[out] plaintext Output plain text
|
||
|
|
* @param size Size of input and output data in bytes. Must be multiple of 16 bytes.
|
||
|
|
* @param iv Input initial vector to combine with the first input block.
|
||
|
|
* @return Status from decrypt operation
|
||
|
|
*/
|
||
|
|
status_t DCP_AES_DecryptCbc(DCP_Type *base,
|
||
|
|
dcp_handle_t *handle,
|
||
|
|
const uint8_t *ciphertext,
|
||
|
|
uint8_t *plaintext,
|
||
|
|
size_t size,
|
||
|
|
const uint8_t iv[16]);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
*@}
|
||
|
|
*/ /* end of dcp_driver_aes */
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @addtogroup dcp_nonblocking_driver_aes
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
/*!
|
||
|
|
* @brief Encrypts AES using the ECB block mode.
|
||
|
|
*
|
||
|
|
* Puts AES ECB encrypt work packet to DCP channel.
|
||
|
|
*
|
||
|
|
* @param base DCP peripheral base address
|
||
|
|
* @param handle Handle used for this request.
|
||
|
|
* @param[out] dcpPacket Memory for the DCP work packet.
|
||
|
|
* @param plaintext Input plain text to encrypt.
|
||
|
|
* @param[out] ciphertext Output cipher text
|
||
|
|
* @param size Size of input and output data in bytes. Must be multiple of 16 bytes.
|
||
|
|
* @return kStatus_Success The work packet has been scheduled at DCP channel.
|
||
|
|
* @return kStatus_DCP_Again The DCP channel is busy processing previous request.
|
||
|
|
*/
|
||
|
|
status_t DCP_AES_EncryptEcbNonBlocking(DCP_Type *base,
|
||
|
|
dcp_handle_t *handle,
|
||
|
|
dcp_work_packet_t *dcpPacket,
|
||
|
|
const uint8_t *plaintext,
|
||
|
|
uint8_t *ciphertext,
|
||
|
|
size_t size);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Decrypts AES using ECB block mode.
|
||
|
|
*
|
||
|
|
* Puts AES ECB decrypt dcpPacket to DCP input job ring.
|
||
|
|
*
|
||
|
|
* @param base DCP peripheral base address
|
||
|
|
* @param handle Handle used for this request.
|
||
|
|
* @param[out] dcpPacket Memory for the DCP work packet.
|
||
|
|
* @param ciphertext Input cipher text to decrypt
|
||
|
|
* @param[out] plaintext Output plain text
|
||
|
|
* @param size Size of input and output data in bytes. Must be multiple of 16 bytes.
|
||
|
|
* @return kStatus_Success The work packet has been scheduled at DCP channel.
|
||
|
|
* @return kStatus_DCP_Again The DCP channel is busy processing previous request.
|
||
|
|
*/
|
||
|
|
status_t DCP_AES_DecryptEcbNonBlocking(DCP_Type *base,
|
||
|
|
dcp_handle_t *handle,
|
||
|
|
dcp_work_packet_t *dcpPacket,
|
||
|
|
const uint8_t *ciphertext,
|
||
|
|
uint8_t *plaintext,
|
||
|
|
size_t size);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Encrypts AES using CBC block mode.
|
||
|
|
*
|
||
|
|
* Puts AES CBC encrypt dcpPacket to DCP input job ring.
|
||
|
|
*
|
||
|
|
* @param base DCP peripheral base address
|
||
|
|
* @param handle Handle used for this request. Specifies jobRing.
|
||
|
|
* @param[out] dcpPacket Memory for the DCP work packet.
|
||
|
|
* @param plaintext Input plain text to encrypt
|
||
|
|
* @param[out] ciphertext Output cipher text
|
||
|
|
* @param size Size of input and output data in bytes. Must be multiple of 16 bytes.
|
||
|
|
* @param iv Input initial vector to combine with the first input block.
|
||
|
|
* @return kStatus_Success The work packet has been scheduled at DCP channel.
|
||
|
|
* @return kStatus_DCP_Again The DCP channel is busy processing previous request.
|
||
|
|
*/
|
||
|
|
status_t DCP_AES_EncryptCbcNonBlocking(DCP_Type *base,
|
||
|
|
dcp_handle_t *handle,
|
||
|
|
dcp_work_packet_t *dcpPacket,
|
||
|
|
const uint8_t *plaintext,
|
||
|
|
uint8_t *ciphertext,
|
||
|
|
size_t size,
|
||
|
|
const uint8_t *iv);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Decrypts AES using CBC block mode.
|
||
|
|
*
|
||
|
|
* Puts AES CBC decrypt dcpPacket to DCP input job ring.
|
||
|
|
*
|
||
|
|
* @param base DCP peripheral base address
|
||
|
|
* @param handle Handle used for this request. Specifies jobRing.
|
||
|
|
* @param[out] dcpPacket Memory for the DCP work packet.
|
||
|
|
* @param ciphertext Input cipher text to decrypt
|
||
|
|
* @param[out] plaintext Output plain text
|
||
|
|
* @param size Size of input and output data in bytes. Must be multiple of 16 bytes.
|
||
|
|
* @param iv Input initial vector to combine with the first input block.
|
||
|
|
* @return kStatus_Success The work packet has been scheduled at DCP channel.
|
||
|
|
* @return kStatus_DCP_Again The DCP channel is busy processing previous request.
|
||
|
|
*/
|
||
|
|
status_t DCP_AES_DecryptCbcNonBlocking(DCP_Type *base,
|
||
|
|
dcp_handle_t *handle,
|
||
|
|
dcp_work_packet_t *dcpPacket,
|
||
|
|
const uint8_t *ciphertext,
|
||
|
|
uint8_t *plaintext,
|
||
|
|
size_t size,
|
||
|
|
const uint8_t *iv);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
*@}
|
||
|
|
*/ /* end of dcp_nonblocking_driver_aes */
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* HASH API
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @addtogroup dcp_driver_hash
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
/*!
|
||
|
|
* @brief Initialize HASH context
|
||
|
|
*
|
||
|
|
* This function initializes the HASH.
|
||
|
|
*
|
||
|
|
* @param base DCP peripheral base address
|
||
|
|
* @param handle Specifies the DCP channel used for hashing.
|
||
|
|
* @param[out] ctx Output hash context
|
||
|
|
* @param algo Underlaying algorithm to use for hash computation.
|
||
|
|
* @return Status of initialization
|
||
|
|
*/
|
||
|
|
status_t DCP_HASH_Init(DCP_Type *base, dcp_handle_t *handle, dcp_hash_ctx_t *ctx, dcp_hash_algo_t algo);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Add data to current HASH
|
||
|
|
*
|
||
|
|
* Add data to current HASH. This can be called repeatedly with an arbitrary amount of data to be
|
||
|
|
* hashed. The functions blocks. If it returns kStatus_Success, the running hash
|
||
|
|
* has been updated (DCP has processed the input data), so the memory at @ref input pointer
|
||
|
|
* can be released back to system. The DCP context buffer is updated with the running hash
|
||
|
|
* and with all necessary information to support possible context switch.
|
||
|
|
*
|
||
|
|
* @param base DCP peripheral base address
|
||
|
|
* @param[in,out] ctx HASH context
|
||
|
|
* @param input Input data
|
||
|
|
* @param inputSize Size of input data in bytes
|
||
|
|
* @return Status of the hash update operation
|
||
|
|
*/
|
||
|
|
status_t DCP_HASH_Update(DCP_Type *base, dcp_hash_ctx_t *ctx, const uint8_t *input, size_t inputSize);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Finalize hashing
|
||
|
|
*
|
||
|
|
* Outputs the final hash (computed by DCP_HASH_Update()) and erases the context.
|
||
|
|
*
|
||
|
|
* @param[in,out] ctx Input hash context
|
||
|
|
* @param[out] output Output hash data
|
||
|
|
* @param[in,out] outputSize Optional parameter (can be passed as NULL). On function entry, it specifies the size of
|
||
|
|
* output[] buffer. On function return, it stores the number of updated output bytes.
|
||
|
|
* @return Status of the hash finish operation
|
||
|
|
*/
|
||
|
|
status_t DCP_HASH_Finish(DCP_Type *base, dcp_hash_ctx_t *ctx, uint8_t *output, size_t *outputSize);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief Create HASH on given data
|
||
|
|
*
|
||
|
|
* Perform the full SHA or CRC32 in one function call. The function is blocking.
|
||
|
|
*
|
||
|
|
* @param base DCP peripheral base address
|
||
|
|
* @param handle Handle used for the request.
|
||
|
|
* @param algo Underlaying algorithm to use for hash computation.
|
||
|
|
* @param input Input data
|
||
|
|
* @param inputSize Size of input data in bytes
|
||
|
|
* @param[out] output Output hash data
|
||
|
|
* @param[out] outputSize Output parameter storing the size of the output hash in bytes
|
||
|
|
* @return Status of the one call hash operation.
|
||
|
|
*/
|
||
|
|
status_t DCP_HASH(DCP_Type *base,
|
||
|
|
dcp_handle_t *handle,
|
||
|
|
dcp_hash_algo_t algo,
|
||
|
|
const uint8_t *input,
|
||
|
|
size_t inputSize,
|
||
|
|
uint8_t *output,
|
||
|
|
size_t *outputSize);
|
||
|
|
|
||
|
|
/*!
|
||
|
|
*@}
|
||
|
|
*/ /* end of dcp_driver_hash */
|
||
|
|
|
||
|
|
#if defined(__cplusplus)
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* _FSL_DCP_H_ */
|