/*
ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file hal_crypto_lld.c
* @brief PLATFORM cryptographic subsystem low level driver source.
*
* @addtogroup CRYPTO
* @{
*/
#include "hal.h"
#if (HAL_USE_CRY == TRUE) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/** @brief CRY1 driver identifier.*/
#if PLATFORM_CRY_USE_CRY1 || defined(__DOXYGEN__)
CRYDriver CRYD1;
#endif
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Low level crypto driver initialization.
*
* @notapi
*/
void cry_lld_init(void) {
}
/**
* @brief Configures and activates the crypto peripheral.
*
* @param[in] cryp pointer to the @p CRYDriver object
*
* @notapi
*/
void cry_lld_start(CRYDriver *cryp) {
if (cryp->state == CRY_STOP) {
}
}
/**
* @brief Deactivates the crypto peripheral.
*
* @param[in] cryp pointer to the @p CRYDriver object
*
* @notapi
*/
void cry_lld_stop(CRYDriver *cryp) {
if (cryp->state == CRY_READY) {
}
}
#if (CRY_LLD_SUPPORTS_AES == TRUE) || defined(__DOXYGEN__)
/**
* @brief Initializes the AES transient key.
* @note It is the underlying implementation to decide which key sizes are
* allowable.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] size key size in bytes
* @param[in] keyp pointer to the key data
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the algorithm is unsupported.
* @retval CRY_ERR_INV_KEY_SIZE if the specified key size is invalid for
* the specified algorithm.
*
* @notapi
*/
cryerror_t cry_lld_aes_loadkey(CRYDriver *cryp,
size_t size,
const uint8_t *keyp) {
(void)cryp;
(void)size;
(void)keyp;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Encryption of a single block using AES.
* @note The implementation of this function must guarantee that it can
* be called from any context.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_encrypt_AES(CRYDriver *cryp,
crykey_t key_id,
const uint8_t *in,
uint8_t *out) {
(void)cryp;
(void)key_id;
(void)in;
(void)out;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Decryption of a single block using AES.
* @note The implementation of this function must guarantee that it can
* be called from any context.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] in buffer containing the input cyphertext
* @param[out] out buffer for the output plaintext
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_decrypt_AES(CRYDriver *cryp,
crykey_t key_id,
const uint8_t *in,
uint8_t *out) {
(void)cryp;
(void)key_id;
(void)in;
(void)out;
return CRY_ERR_INV_ALGO;
}
#endif
#if (CRY_LLD_SUPPORTS_AES_ECB == TRUE) || defined(__DOXYGEN__)
/**
* @brief Encryption operation using AES-ECB.
* @note The function operates on data buffers whose lenght is a multiple
* of an AES block, this means that padding must be done by the
* caller.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] size size of the plaintext buffer, this number must
* be a multiple of the selected key size
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_encrypt_AES_ECB(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Decryption operation using AES-ECB.
* @note The function operates on data buffers whose lenght is a multiple
* of an AES block, this means that padding must be done by the
* caller.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] size size of the plaintext buffer, this number must
* be a multiple of the selected key size
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_decrypt_AES_ECB(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
return CRY_ERR_INV_ALGO;
}
#endif
#if (CRY_LLD_SUPPORTS_AES_CBC == TRUE) || defined(__DOXYGEN__)
/**
* @brief Encryption operation using AES-CBC.
* @note The function operates on data buffers whose lenght is a multiple
* of an AES block, this means that padding must be done by the
* caller.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] size size of the plaintext buffer, this number must
* be a multiple of the selected key size
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @param[in] iv 128 bits initial vector
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_encrypt_AES_CBC(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
(void)iv;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Decryption operation using AES-CBC.
* @note The function operates on data buffers whose lenght is a multiple
* of an AES block, this means that padding must be done by the
* caller.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] size size of the plaintext buffer, this number must
* be a multiple of the selected key size
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @param[in] iv 128 bits initial vector
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_decrypt_AES_CBC(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
(void)iv;
return CRY_ERR_INV_ALGO;
}
#endif
#if (CRY_LLD_SUPPORTS_AES_CFB == TRUE) || defined(__DOXYGEN__)
/**
* @brief Encryption operation using AES-CFB.
* @note The function operates on data buffers whose lenght is a multiple
* of an AES block, this means that padding must be done by the
* caller.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] size size of the plaintext buffer, this number must
* be a multiple of the selected key size
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @param[in] iv 128 bits initial vector
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_encrypt_AES_CFB(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
(void)iv;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Decryption operation using AES-CFB.
* @note The function operates on data buffers whose lenght is a multiple
* of an AES block, this means that padding must be done by the
* caller.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] size size of the plaintext buffer, this number must
* be a multiple of the selected key size
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @param[in] iv 128 bits initial vector
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_decrypt_AES_CFB(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
(void)iv;
return CRY_ERR_INV_ALGO;
}
#endif
#if (CRY_LLD_SUPPORTS_AES_CTR == TRUE) || defined(__DOXYGEN__)
/**
* @brief Encryption operation using AES-CTR.
* @note The function operates on data buffers whose lenght is a multiple
* of an AES block, this means that padding must be done by the
* caller.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] size size of the plaintext buffer, this number must
* be a multiple of 16
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @param[in] iv 128 bits initial vector + counter, it contains
* a 96 bits IV and a 32 bits counter
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_encrypt_AES_CTR(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
(void)iv;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Decryption operation using AES-CTR.
* @note The function operates on data buffers whose lenght is a multiple
* of an AES block, this means that padding must be done by the
* caller.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] size size of the plaintext buffer, this number must
* be a multiple of 16
* @param[in] in buffer containing the input cyphertext
* @param[out] out buffer for the output plaintext
* @param[in] iv 128 bits initial vector + counter, it contains
* a 96 bits IV and a 32 bits counter
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_decrypt_AES_CTR(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
(void)iv;
return CRY_ERR_INV_ALGO;
}
#endif
#if (CRY_LLD_SUPPORTS_AES_GCM == TRUE) || defined(__DOXYGEN__)
/**
* @brief Encryption operation using AES-GCM.
* @note The function operates on data buffers whose lenght is a multiple
* of an AES block, this means that padding must be done by the
* caller.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] size size of the text buffers, this number must be a
* multiple of 16
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @param[in] iv 128 bits initial vector + counter, it contains
* a 96 bits IV and a 32 bits counter
* @param[in] aadsize size of the authentication data, this number
* must be a multiple of 16
* @param[in] aad buffer containing the authentication data
* @param[in] authtag 128 bits buffer for the generated authentication
* tag
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_encrypt_AES_GCM(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv,
size_t aadsize,
const uint8_t *aad,
uint8_t *authtag) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
(void)iv;
(void)aadsize;
(void)aad;
(void)authtag;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Decryption operation using AES-GCM.
* @note The function operates on data buffers whose lenght is a multiple
* of an AES block, this means that padding must be done by the
* caller.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] size size of the text buffers, this number must be a
* multiple of 16
* @param[in] in buffer for the output cyphertext
* @param[out] out buffer containing the input plaintext
* @param[in] iv 128 bits initial vector + counter, it contains
* a 96 bits IV and a 32 bits counter
* @param[in] aadsize size of the authentication data, this number
* must be a multiple of 16
* @param[in] aad buffer containing the authentication data
* @param[in] authtag 128 bits buffer for the generated authentication
* tag
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_decrypt_AES_GCM(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv,
size_t aadsize,
const uint8_t *aad,
uint8_t *authtag) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
(void)iv;
(void)aadsize;
(void)aad;
(void)authtag;
return CRY_ERR_INV_ALGO;
}
#endif
#if (CRY_LLD_SUPPORTS_DES == TRUE) || defined(__DOXYGEN__)
/**
* @brief Initializes the DES transient key.
* @note It is the underlying implementation to decide which key sizes are
* allowable.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] size key size in bytes
* @param[in] keyp pointer to the key data
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the algorithm is unsupported.
* @retval CRY_ERR_INV_KEY_SIZE if the specified key size is invalid for
* the specified algorithm.
*
* @notapi
*/
cryerror_t cry_lld_des_loadkey(CRYDriver *cryp,
size_t size,
const uint8_t *keyp) {
(void)cryp;
(void)size;
(void)keyp;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Encryption of a single block using (T)DES.
* @note The implementation of this function must guarantee that it can
* be called from any context.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_encrypt_DES(CRYDriver *cryp,
crykey_t key_id,
const uint8_t *in,
uint8_t *out) {
(void)cryp;
(void)key_id;
(void)in;
(void)out;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Decryption of a single block using (T)DES.
* @note The implementation of this function must guarantee that it can
* be called from any context.
*
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] in buffer containing the input cyphertext
* @param[out] out buffer for the output plaintext
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_decrypt_DES(CRYDriver *cryp,
crykey_t key_id,
const uint8_t *in,
uint8_t *out) {
(void)cryp;
(void)key_id;
(void)in;
(void)out;
return CRY_ERR_INV_ALGO;
}
#endif
#if (CRY_LLD_SUPPORTS_DES_ECB == TRUE) || defined(__DOXYGEN__)
/**
* @brief Encryption operation using (T)DES-ECB.
* @note The function operates on data buffers whose length is a multiple
* of an DES block, this means that padding must be done by the
* caller.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] size size of the plaintext buffer, this number must
* be a multiple of 8
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_encrypt_DES_ECB(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Decryption operation using (T)DES-ECB.
* @note The function operates on data buffers whose length is a multiple
* of an DES block, this means that padding must be done by the
* caller.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] size size of the plaintext buffer, this number must
* be a multiple of 8
* @param[in] in buffer containing the input cyphertext
* @param[out] out buffer for the output plaintext
* @return T he operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_decrypt_DES_ECB(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
return CRY_ERR_INV_ALGO;
}
#endif
#if (CRY_LLD_SUPPORTS_DES_CBC == TRUE) || defined(__DOXYGEN__)
/**
* @brief Encryption operation using (T)DES-CBC.
* @note The function operates on data buffers whose length is a multiple
* of an DES block, this means that padding must be done by the
* caller.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] size size of the plaintext buffer, this number must
* be a multiple of 8
* @param[in] in buffer containing the input plaintext
* @param[out] out buffer for the output cyphertext
* @param[in] iv 64 bits input vector
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_encrypt_DES_CBC(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
(void)iv;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Decryption operation using (T)DES-CBC.
* @note The function operates on data buffers whose length is a multiple
* of an DES block, this means that padding must be done by the
* caller.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] key_id the key to be used for the operation, zero is
* the transient key, other values are keys stored
* in an unspecified way
* @param[in] size size of the plaintext buffer, this number must
* be a multiple of 8
* @param[in] in buffer containing the input cyphertext
* @param[out] out buffer for the output plaintext
* @param[in] iv 64 bits input vector
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_INV_KEY_TYPE the selected key is invalid for this operation.
* @retval CRY_ERR_INV_KEY_ID if the specified key identifier is invalid
* or refers to an empty key slot.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_decrypt_DES_CBC(CRYDriver *cryp,
crykey_t key_id,
size_t size,
const uint8_t *in,
uint8_t *out,
const uint8_t *iv) {
(void)cryp;
(void)key_id;
(void)size;
(void)in;
(void)out;
(void)iv;
return CRY_ERR_INV_ALGO;
}
#endif
#if (CRY_LLD_SUPPORTS_SHA1 == TRUE) || defined(__DOXYGEN__)
/**
* @brief Hash initialization using SHA1.
* @note Use of this algorithm is not recommended because proven weak.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[out] sha1ctxp pointer to a SHA1 context to be initialized
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_SHA1_init(CRYDriver *cryp, SHA1Context *sha1ctxp) {
(void)cryp;
(void)sha1ctxp;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Hash update using SHA1.
* @note Use of this algorithm is not recommended because proven weak.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] sha1ctxp pointer to a SHA1 context
* @param[in] size size of input buffer
* @param[in] in buffer containing the input text
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_SHA1_update(CRYDriver *cryp, SHA1Context *sha1ctxp,
size_t size, const uint8_t *in) {
(void)cryp;
(void)sha1ctxp;
(void)size;
(void)in;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Hash finalization using SHA1.
* @note Use of this algorithm is not recommended because proven weak.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] sha1ctxp pointer to a SHA1 context
* @param[out] out 160 bits output buffer
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_SHA1_final(CRYDriver *cryp, SHA1Context *sha1ctxp,
uint8_t *out) {
(void)cryp;
(void)sha1ctxp;
(void)out;
return CRY_ERR_INV_ALGO;
}
#endif
#if (CRY_LLD_SUPPORTS_SHA256 == TRUE) || defined(__DOXYGEN__)
/**
* @brief Hash initialization using SHA256.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[out] sha256ctxp pointer to a SHA256 context to be initialized
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_SHA256_init(CRYDriver *cryp, SHA256Context *sha256ctxp) {
(void)cryp;
(void)sha256ctxp;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Hash update using SHA256.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] sha256ctxp pointer to a SHA256 context
* @param[in] size size of input buffer
* @param[in] in buffer containing the input text
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_SHA256_update(CRYDriver *cryp, SHA256Context *sha256ctxp,
size_t size, const uint8_t *in) {
(void)cryp;
(void)sha256ctxp;
(void)size;
(void)in;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Hash finalization using SHA256.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] sha256ctxp pointer to a SHA256 context
* @param[out] out 256 bits output buffer
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_SHA256_final(CRYDriver *cryp, SHA256Context *sha256ctxp,
uint8_t *out) {
(void)cryp;
(void)sha256ctxp;
(void)out;
return CRY_ERR_INV_ALGO;
}
#endif
#if (CRY_LLD_SUPPORTS_SHA512 == TRUE) || defined(__DOXYGEN__)
/**
* @brief Hash initialization using SHA512.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[out] sha512ctxp pointer to a SHA512 context to be initialized
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_SHA512_init(CRYDriver *cryp, SHA512Context *sha512ctxp) {
(void)cryp;
(void)sha512ctxp;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Hash update using SHA512.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] sha512ctxp pointer to a SHA512 context
* @param[in] size size of input buffer
* @param[in] in buffer containing the input text
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_SHA512_update(CRYDriver *cryp, SHA512Context *sha512ctxp,
size_t size, const uint8_t *in) {
(void)cryp;
(void)sha512ctxp;
(void)size;
(void)in;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Hash finalization using SHA512.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] sha512ctxp pointer to a SHA512 context
* @param[out] out 512 bits output buffer
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_SHA512_final(CRYDriver *cryp, SHA512Context *sha512ctxp,
uint8_t *out) {
(void)cryp;
(void)sha512ctxp;
(void)out;
return CRY_ERR_INV_ALGO;
}
#endif
#if (CRY_LLD_SUPPORTS_HMAC_SHA256 == TRUE) || defined(__DOXYGEN__)
/**
* @brief Initializes the HMAC transient key.
* @note It is the underlying implementation to decide which key sizes are
* allowable.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] size key size in bytes
* @param[in] keyp pointer to the key data
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the algorithm is unsupported.
* @retval CRY_ERR_INV_KEY_SIZE if the specified key size is invalid for
* the specified algorithm.
*
* @notapi
*/
cryerror_t cry_lld_hmac_loadkey(CRYDriver *cryp,
size_t size,
const uint8_t *keyp) {
(void)cryp;
(void)size;
(void)keyp;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Hash initialization using HMAC_SHA256.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[out] hmacsha256ctxp pointer to a HMAC_SHA256 context to be
* initialized
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_HMACSHA256_init(CRYDriver *cryp,
HMACSHA256Context *hmacsha256ctxp) {
(void)cryp;
(void)hmacsha256ctxp;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Hash update using HMAC.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] hmacsha256ctxp pointer to a HMAC_SHA256 context
* @param[in] size size of input buffer
* @param[in] in buffer containing the input text
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_HMACSHA256_update(CRYDriver *cryp,
HMACSHA256Context *hmacsha256ctxp,
size_t size,
const uint8_t *in) {
(void)cryp;
(void)hmacsha256ctxp;
(void)size;
(void)in;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Hash finalization using HMAC.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] hmacsha256ctxp pointer to a HMAC_SHA256 context
* @param[out] out 256 bits output buffer
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_HMACSHA256_final(CRYDriver *cryp,
HMACSHA256Context *hmacsha256ctxp,
uint8_t *out) {
(void)cryp;
(void)hmacsha256ctxp;
(void)out;
return CRY_ERR_INV_ALGO;
}
#endif
#if (CRY_LLD_SUPPORTS_HMAC_SHA512 == TRUE) || defined(__DOXYGEN__)
/**
* @brief Hash initialization using HMAC_SHA512.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[out] hmacsha512ctxp pointer to a HMAC_SHA512 context to be
* initialized
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_HMACSHA512_init(CRYDriver *cryp,
HMACSHA512Context *hmacsha512ctxp) {
(void)cryp;
(void)hmacsha512ctxp;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Hash update using HMAC.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] hmacsha512ctxp pointer to a HMAC_SHA512 context
* @param[in] size size of input buffer
* @param[in] in buffer containing the input text
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_HMACSHA512_update(CRYDriver *cryp,
HMACSHA512Context *hmacsha512ctxp,
size_t size,
const uint8_t *in) {
(void)cryp;
(void)hmacsha512ctxp;
(void)size;
(void)in;
return CRY_ERR_INV_ALGO;
}
/**
* @brief Hash finalization using HMAC.
*
* @param[in] cryp pointer to the @p CRYDriver object
* @param[in] hmacsha512ctxp pointer to a HMAC_SHA512 context
* @param[out] out 512 bits output buffer
* @return The operation status.
* @retval CRY_NOERROR if the operation succeeded.
* @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
* device instance.
* @retval CRY_ERR_OP_FAILURE if the operation failed, implementation
* dependent.
*
* @notapi
*/
cryerror_t cry_lld_HMACSHA512_final(CRYDriver *cryp,
HMACSHA512Context *hmacsha512ctxp,
uint8_t *out) {
(void)cryp;
(void)hmacsha512ctxp;
(void)out;
return CRY_ERR_INV_ALGO;
}
#endif
#endif /* HAL_USE_CRY == TRUE */
/** @} */