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Properly use of API

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This commit is contained in:
Azim Khan 2018-02-22 13:24:16 +00:00
parent 969191f0c9
commit 0f9708f1a6
1 changed files with 23 additions and 22 deletions
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21
programs/x509/cert_write.c
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@ -214,7 +214,7 @@ int parse_remote_info( const char *remote_info, int *key_idx, const char **seria
size_t offset = 0; size_t offset = 0;
size_t remote_info_len = strlen( remote_info ); size_t remote_info_len = strlen( remote_info );
if( is_remote_key( remote_info ) == 0 ) if( !is_remote_key( remote_info ) )
return( -1 ); return( -1 );
offset = strlen( REMOTE_KEY_CMD_TAG ); offset = strlen( REMOTE_KEY_CMD_TAG );
@ -446,8 +446,8 @@ int load_pubkey_from_remote( const char * remote_info, mbedtls_pk_context * ctx
{ {
int key_idx = 0, offset = 0, ret = 0; int key_idx = 0, offset = 0, ret = 0;
const char * serial_port = NULL; const char * serial_port = NULL;
unsigned char func_buffer[10]; unsigned char func_buffer[2]; /* Op code: 1 + key Id: 1 */
unsigned char pub_key_buf[100]; unsigned char pub_key_buf[65]; /* ECDSA Pub key: 64 + ASN.1 overhead: 1 */
size_t rx_len = 0; size_t rx_len = 0;
static mbedtls_ecp_keypair ecp_key; static mbedtls_ecp_keypair ecp_key;
@ -459,7 +459,8 @@ int load_pubkey_from_remote( const char * remote_info, mbedtls_pk_context * ctx
func_buffer[offset++] = REMOTE_KEY_FUNC_GET_PUBKEY; func_buffer[offset++] = REMOTE_KEY_FUNC_GET_PUBKEY;
func_buffer[offset++] = key_idx; func_buffer[offset++] = key_idx;
if( serial_xfer( serial_port, func_buffer, offset, pub_key_buf, sizeof( pub_key_buf ), &rx_len ) != 0 ) if( serial_xfer( serial_port, func_buffer, offset, pub_key_buf,
sizeof( pub_key_buf ), &rx_len ) != 0 )
{ {
mbedtls_printf( " failed\n ! Serial error trying to get pulic key\n\n" ); mbedtls_printf( " failed\n ! Serial error trying to get pulic key\n\n" );
return( -1 ); return( -1 );
@ -479,7 +480,7 @@ int load_pubkey_from_remote( const char * remote_info, mbedtls_pk_context * ctx
mbedtls_printf( " failed\n ! Failed to read ecp key from binary\n\n" ); mbedtls_printf( " failed\n ! Failed to read ecp key from binary\n\n" );
return( ret ); return( ret );
} }
ctx->pk_info = mbedtls_pk_info_from_type( MBEDTLS_PK_ECKEY ); mbedtls_pk_setup( ctx, mbedtls_pk_info_from_type( MBEDTLS_PK_ECKEY ) );
ctx->pk_ctx = &ecp_key; ctx->pk_ctx = &ecp_key;
return( 0 ); return( 0 );
} }
@ -535,6 +536,8 @@ static int remote_sign_func(void *ctx, mbedtls_md_type_t md_alg,
UNUSED( f_rng ); UNUSED( f_rng );
UNUSED( p_rng ); UNUSED( p_rng );
/* Currently this feature only supports Crypto chip ATCAECC508A that only
* supports SHA256. */
if( md_alg != MBEDTLS_MD_SHA256 ) if( md_alg != MBEDTLS_MD_SHA256 )
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA ); return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
@ -578,9 +581,7 @@ int mbedtls_pk_remote_setup( mbedtls_pk_context * ctx, const char * serial_port,
static remote_serial_pk_context remote; static remote_serial_pk_context remote;
/* Opaque private key */ /* Opaque private key */
static const mbedtls_pk_info_t remote_pk_info = static const mbedtls_pk_info_t remote_pk_info =
{ MBEDTLS_PK_OPAQUE_INFO_1(
/* MBEDTLS_PK_ECKEY, */
MBEDTLS_PK_OPAQUE,
"RemoteSerial", "RemoteSerial",
NULL, NULL,
remote_can_do_func, remote_can_do_func,
@ -593,7 +594,7 @@ int mbedtls_pk_remote_setup( mbedtls_pk_context * ctx, const char * serial_port,
NULL, NULL,
remote_free, remote_free,
NULL NULL
}; );
if ( ctx == NULL ) if ( ctx == NULL )
@ -601,8 +602,8 @@ int mbedtls_pk_remote_setup( mbedtls_pk_context * ctx, const char * serial_port,
remote.serial_port = serial_port; remote.serial_port = serial_port;
remote.key_idx = key_idx; remote.key_idx = key_idx;
mbedtls_pk_setup( ctx, &remote_pk_info );
ctx->pk_ctx = (void *)&remote; ctx->pk_ctx = (void *)&remote;
ctx->pk_info = &remote_pk_info;
return( 0 ); return( 0 );
} }