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psa: Export internally psa_export_(public_)key_internal

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Export psa_export_(public_)key_internal from psa_crypto.c
to make it available to the driver wrapper.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron 2020-11-26 14:46:37 +01:00
parent d18b5f84c6
commit 7285cda387
2 changed files with 57 additions and 47 deletions
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49
library/psa_crypto.c
View file

@ -1496,29 +1496,7 @@ static psa_status_t psa_export_key_buffer_internal( const uint8_t *key_buffer,
return( PSA_SUCCESS );
}
/** Export a key in binary format
*
* \note The signature of this function is that of a PSA driver export_key
* entry point. This function behaves as an export_key entry point as
* defined in the PSA driver interface specification.
*
* \param[in] attributes The attributes for the key to export.
* \param[in] key_buffer Material or context of the key to export.
* \param[in] key_buffer_size Size of the \p key_buffer buffer in bytes.
* \param[out] data Buffer where the key data is to be written.
* \param[in] data_size Size of the \p data buffer in bytes.
* \param[out] data_length On success, the number of bytes written in
* \p data
*
* \retval #PSA_SUCCESS The key was exported successfully.
* \retval #PSA_ERROR_NOT_SUPPORTED
* \retval #PSA_ERROR_COMMUNICATION_FAILURE
* \retval #PSA_ERROR_HARDWARE_FAILURE
* \retval #PSA_ERROR_CORRUPTION_DETECTED
* \retval #PSA_ERROR_STORAGE_FAILURE
* \retval #PSA_ERROR_INSUFFICIENT_MEMORY
*/
static psa_status_t psa_export_key_internal(
psa_status_t psa_export_key_internal(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
uint8_t *data, size_t data_size, size_t *data_length )
@ -1607,30 +1585,7 @@ exit:
return( ( status == PSA_SUCCESS ) ? unlock_status : status );
}
/** Export a public key or the public part of a key pair in binary format.
*
* \note The signature of this function is that of a PSA driver
* export_public_key entry point. This function behaves as an
* export_public_key entry point as defined in the PSA driver interface
* specification.
*
* \param[in] attributes The attributes for the key to export.
* \param[in] key_buffer Material or context of the key to export.
* \param[in] key_buffer_size Size of the \p key_buffer buffer in bytes.
* \param[out] data Buffer where the key data is to be written.
* \param[in] data_size Size of the \p data buffer in bytes.
* \param[out] data_length On success, the number of bytes written in
* \p data
*
* \retval #PSA_SUCCESS The public key was exported successfully.
* \retval #PSA_ERROR_NOT_SUPPORTED
* \retval #PSA_ERROR_COMMUNICATION_FAILURE
* \retval #PSA_ERROR_HARDWARE_FAILURE
* \retval #PSA_ERROR_CORRUPTION_DETECTED
* \retval #PSA_ERROR_STORAGE_FAILURE
* \retval #PSA_ERROR_INSUFFICIENT_MEMORY
*/
static psa_status_t psa_export_public_key_internal(
psa_status_t psa_export_public_key_internal(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer,
size_t key_buffer_size,

55
library/psa_crypto_core.h
View file

@ -212,4 +212,59 @@ psa_status_t psa_copy_key_material_into_slot( psa_key_slot_t *slot,
*/
psa_status_t mbedtls_to_psa_error( int ret );
/** Export a key in binary format
*
* \note The signature of this function is that of a PSA driver export_key
* entry point. This function behaves as an export_key entry point as
* defined in the PSA driver interface specification.
*
* \param[in] attributes The attributes for the key to export.
* \param[in] key_buffer Material or context of the key to export.
* \param[in] key_buffer_size Size of the \p key_buffer buffer in bytes.
* \param[out] data Buffer where the key data is to be written.
* \param[in] data_size Size of the \p data buffer in bytes.
* \param[out] data_length On success, the number of bytes written in
* \p data
*
* \retval #PSA_SUCCESS The key was exported successfully.
* \retval #PSA_ERROR_NOT_SUPPORTED
* \retval #PSA_ERROR_COMMUNICATION_FAILURE
* \retval #PSA_ERROR_HARDWARE_FAILURE
* \retval #PSA_ERROR_CORRUPTION_DETECTED
* \retval #PSA_ERROR_STORAGE_FAILURE
* \retval #PSA_ERROR_INSUFFICIENT_MEMORY
*/
psa_status_t psa_export_key_internal(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
uint8_t *data, size_t data_size, size_t *data_length );
/** Export a public key or the public part of a key pair in binary format.
*
* \note The signature of this function is that of a PSA driver
* export_public_key entry point. This function behaves as an
* export_public_key entry point as defined in the PSA driver interface
* specification.
*
* \param[in] attributes The attributes for the key to export.
* \param[in] key_buffer Material or context of the key to export.
* \param[in] key_buffer_size Size of the \p key_buffer buffer in bytes.
* \param[out] data Buffer where the key data is to be written.
* \param[in] data_size Size of the \p data buffer in bytes.
* \param[out] data_length On success, the number of bytes written in
* \p data
*
* \retval #PSA_SUCCESS The public key was exported successfully.
* \retval #PSA_ERROR_NOT_SUPPORTED
* \retval #PSA_ERROR_COMMUNICATION_FAILURE
* \retval #PSA_ERROR_HARDWARE_FAILURE
* \retval #PSA_ERROR_CORRUPTION_DETECTED
* \retval #PSA_ERROR_STORAGE_FAILURE
* \retval #PSA_ERROR_INSUFFICIENT_MEMORY
*/
psa_status_t psa_export_public_key_internal(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
uint8_t *data, size_t data_size, size_t *data_length );
#endif /* PSA_CRYPTO_CORE_H */