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Merge pull request #180 from simonqhughes/feature-psa-storage

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PSA Storage: Add psa_trusted_storage_linux persistent storage support for v1.0.0 APIs
This commit is contained in:
Jaeden Amero 2019-07-24 11:19:32 +01:00 committed by GitHub
parent 9565a9732b bda5a21112
commit b992313f47
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 31 additions and 16 deletions
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4
library/psa_crypto_its.h
View file

@ -91,6 +91,7 @@ psa_status_t psa_its_set(psa_storage_uid_t uid,
* \param[in] data_offset The starting offset of the data requested
* \param[in] data_length the amount of data requested (and the minimum allocated size of the `p_data` buffer)
* \param[out] p_data The buffer where the data will be placed upon successful completion
* \param[out] p_data_length The amount of data returned in the p_data buffer
*
*
* \return A status indicating the success/failure of the operation
@ -106,7 +107,8 @@ psa_status_t psa_its_set(psa_storage_uid_t uid,
psa_status_t psa_its_get(psa_storage_uid_t uid,
uint32_t data_offset,
uint32_t data_length,
void *p_data);
void *p_data,
size_t *p_data_length );
/**
* \brief Retrieve the metadata about the provided uid

5
library/psa_crypto_storage.c
View file

@ -96,12 +96,15 @@ static psa_status_t psa_crypto_storage_load( const psa_key_file_id_t key,
psa_status_t status;
psa_storage_uid_t data_identifier = psa_its_identifier_of_slot( key );
struct psa_storage_info_t data_identifier_info;
size_t data_length = 0;
status = psa_its_get_info( data_identifier, &data_identifier_info );
if( status != PSA_SUCCESS )
return( status );
status = psa_its_get( data_identifier, 0, (uint32_t) data_size, data );
status = psa_its_get( data_identifier, 0, (uint32_t) data_size, data, &data_length );
if( data_size != data_length )
return( PSA_ERROR_STORAGE_FAILURE );
return( status );
}

7
library/psa_its_file.c
View file

@ -44,7 +44,9 @@
#include <stdio.h>
#include <string.h>
#if !defined(PSA_ITS_STORAGE_PREFIX)
#define PSA_ITS_STORAGE_PREFIX ""
#endif
#define PSA_ITS_STORAGE_FILENAME_PATTERN "%08lx%08lx"
#define PSA_ITS_STORAGE_SUFFIX ".psa_its"
@ -137,7 +139,8 @@ psa_status_t psa_its_get_info( psa_storage_uid_t uid,
psa_status_t psa_its_get( psa_storage_uid_t uid,
uint32_t data_offset,
uint32_t data_length,
void *p_data )
void *p_data,
size_t *p_data_length )
{
psa_status_t status;
FILE *stream = NULL;
@ -172,6 +175,8 @@ psa_status_t psa_its_get( psa_storage_uid_t uid,
if( n != data_length )
goto exit;
status = PSA_SUCCESS;
if( p_data_length != NULL )
*p_data_length = n;
exit:
if( stream != NULL )

31
tests/suites/test_suite_psa_its.function
View file

@ -69,6 +69,7 @@ void set_get_remove( int uid_arg, int flags_arg, data_t *data )
uint32_t flags = flags_arg;
struct psa_storage_info_t info;
unsigned char *buffer = NULL;
size_t ret_len = 0;
ASSERT_ALLOC( buffer, data->len );
@ -77,8 +78,8 @@ void set_get_remove( int uid_arg, int flags_arg, data_t *data )
PSA_ASSERT( psa_its_get_info( uid, &info ) );
TEST_ASSERT( info.size == data->len );
TEST_ASSERT( info.flags == flags );
PSA_ASSERT( psa_its_get( uid, 0, data->len, buffer ) );
ASSERT_COMPARE( data->x, data->len, buffer, data->len );
PSA_ASSERT( psa_its_get( uid, 0, data->len, buffer, &ret_len ) );
ASSERT_COMPARE( data->x, data->len, buffer, ret_len );
PSA_ASSERT( psa_its_remove( uid ) );
@ -98,6 +99,7 @@ void set_overwrite( int uid_arg,
uint32_t flags2 = flags2_arg;
struct psa_storage_info_t info;
unsigned char *buffer = NULL;
size_t ret_len = 0;
ASSERT_ALLOC( buffer, MAX( data1->len, data2->len ) );
@ -105,15 +107,16 @@ void set_overwrite( int uid_arg,
PSA_ASSERT( psa_its_get_info( uid, &info ) );
TEST_ASSERT( info.size == data1->len );
TEST_ASSERT( info.flags == flags1 );
PSA_ASSERT( psa_its_get( uid, 0, data1->len, buffer ) );
ASSERT_COMPARE( data1->x, data1->len, buffer, data1->len );
PSA_ASSERT( psa_its_get( uid, 0, data1->len, buffer, &ret_len ) );
ASSERT_COMPARE( data1->x, data1->len, buffer, ret_len );
PSA_ASSERT( psa_its_set_wrap( uid, data2->len, data2->x, flags2 ) );
PSA_ASSERT( psa_its_get_info( uid, &info ) );
TEST_ASSERT( info.size == data2->len );
TEST_ASSERT( info.flags == flags2 );
PSA_ASSERT( psa_its_get( uid, 0, data2->len, buffer ) );
ASSERT_COMPARE( data2->x, data2->len, buffer, data2->len );
ret_len = 0;
PSA_ASSERT( psa_its_get( uid, 0, data2->len, buffer, &ret_len ) );
ASSERT_COMPARE( data2->x, data2->len, buffer, ret_len );
PSA_ASSERT( psa_its_remove( uid ) );
@ -130,6 +133,7 @@ void set_multiple( int first_id, int count )
psa_storage_uid_t uid;
char stored[40];
char retrieved[40];
size_t ret_len = 0;
memset( stored, '.', sizeof( stored ) );
for( uid = uid0; uid < uid0 + count; uid++ )
@ -143,11 +147,11 @@ void set_multiple( int first_id, int count )
{
mbedtls_snprintf( stored, sizeof( stored ),
"Content of file 0x%08lx", (unsigned long) uid );
PSA_ASSERT( psa_its_get( uid, 0, sizeof( stored ), retrieved ) );
ASSERT_COMPARE( retrieved, sizeof( stored ),
PSA_ASSERT( psa_its_get( uid, 0, sizeof( stored ), retrieved, &ret_len ) );
ASSERT_COMPARE( retrieved, ret_len,
stored, sizeof( stored ) );
PSA_ASSERT( psa_its_remove( uid ) );
TEST_ASSERT( psa_its_get( uid, 0, 0, NULL ) ==
TEST_ASSERT( psa_its_get( uid, 0, 0, NULL, NULL ) ==
PSA_ERROR_DOES_NOT_EXIST );
}
@ -171,7 +175,7 @@ void nonexistent( int uid_arg, int create_and_remove )
TEST_ASSERT( psa_its_remove( uid ) == PSA_ERROR_DOES_NOT_EXIST );
TEST_ASSERT( psa_its_get_info( uid, &info ) ==
PSA_ERROR_DOES_NOT_EXIST );
TEST_ASSERT( psa_its_get( uid, 0, 0, NULL ) ==
TEST_ASSERT( psa_its_get( uid, 0, 0, NULL, NULL ) ==
PSA_ERROR_DOES_NOT_EXIST );
exit:
@ -190,6 +194,7 @@ void get_at( int uid_arg, data_t *data,
size_t length = length_arg >= 0 ? length_arg : 0;
unsigned char *trailer;
size_t i;
size_t ret_len = 0;
ASSERT_ALLOC( buffer, length + 16 );
trailer = buffer + length;
@ -197,11 +202,11 @@ void get_at( int uid_arg, data_t *data,
PSA_ASSERT( psa_its_set_wrap( uid, data->len, data->x, 0 ) );
status = psa_its_get( uid, offset, length_arg, buffer );
status = psa_its_get( uid, offset, length_arg, buffer, &ret_len );
TEST_ASSERT( status == (psa_status_t) expected_status );
if( status == PSA_SUCCESS )
ASSERT_COMPARE( data->x + offset, length,
buffer, length );
ASSERT_COMPARE( data->x + offset, (size_t) length_arg,
buffer, ret_len );
for( i = 0; i < 16; i++ )
TEST_ASSERT( trailer[i] == '-' );
PSA_ASSERT( psa_its_remove( uid ) );