Removed openssl, and curl, and added mbedded tls.curl-removal

Almost fully removed curl, needs more testing.

Fixed most issues, now trying to cross compile.

Fix?

Sigh.

1 files changed, 536 insertions, 0 deletions

diff --git a/lib/mbedtls-2.27.0/library/psa_crypto_storage.c b/lib/mbedtls-2.27.0/library/psa_crypto_storage.c
new file mode 100644
index 0000000..2ebfc26
--- /dev/null
+++ b/lib/mbedtls-2.27.0/library/psa_crypto_storage.c
@@ -0,0 +1,536 @@
+/*
+ *  PSA persistent key storage
+ */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  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.
+ */
+
+#if defined(MBEDTLS_CONFIG_FILE)
+#include MBEDTLS_CONFIG_FILE
+#else
+#include "mbedtls/config.h"
+#endif
+
+#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "psa/crypto.h"
+#include "psa_crypto_storage.h"
+#include "mbedtls/platform_util.h"
+
+#if defined(MBEDTLS_PSA_ITS_FILE_C)
+#include "psa_crypto_its.h"
+#else /* Native ITS implementation */
+#include "psa/error.h"
+#include "psa/internal_trusted_storage.h"
+#endif
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdlib.h>
+#define mbedtls_calloc   calloc
+#define mbedtls_free     free
+#endif
+
+
+
+/****************************************************************/
+/* Key storage */
+/****************************************************************/
+
+/* Determine a file name (ITS file identifier) for the given key identifier.
+ * The file name must be distinct from any file that is used for a purpose
+ * other than storing a key. Currently, the only such file is the random seed
+ * file whose name is PSA_CRYPTO_ITS_RANDOM_SEED_UID and whose value is
+ * 0xFFFFFF52. */
+static psa_storage_uid_t psa_its_identifier_of_slot( mbedtls_svc_key_id_t key )
+{
+#if defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER)
+    /* Encode the owner in the upper 32 bits. This means that if
+     * owner values are nonzero (as they are on a PSA platform),
+     * no key file will ever have a value less than 0x100000000, so
+     * the whole range 0..0xffffffff is available for non-key files. */
+    uint32_t unsigned_owner_id = MBEDTLS_SVC_KEY_ID_GET_OWNER_ID( key );
+    return(  ( (uint64_t) unsigned_owner_id << 32 ) |
+             MBEDTLS_SVC_KEY_ID_GET_KEY_ID( key ) );
+#else
+    /* Use the key id directly as a file name.
+     * psa_is_key_id_valid() in psa_crypto_slot_management.c
+     * is responsible for ensuring that key identifiers do not have a
+     * value that is reserved for non-key files. */
+    return( key );
+#endif
+}
+
+/**
+ * \brief Load persistent data for the given key slot number.
+ *
+ * This function reads data from a storage backend and returns the data in a
+ * buffer.
+ *
+ * \param key               Persistent identifier of the key to be loaded. This
+ *                          should be an occupied storage location.
+ * \param[out] data         Buffer where the data is to be written.
+ * \param data_size         Size of the \c data buffer in bytes.
+ *
+ * \retval #PSA_SUCCESS
+ * \retval #PSA_ERROR_DATA_INVALID
+ * \retval #PSA_ERROR_DATA_CORRUPT
+ * \retval #PSA_ERROR_STORAGE_FAILURE
+ * \retval #PSA_ERROR_DOES_NOT_EXIST
+ */
+static psa_status_t psa_crypto_storage_load(
+    const mbedtls_svc_key_id_t key, uint8_t *data, size_t data_size )
+{
+    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, &data_length );
+    if( data_size  != data_length )
+        return( PSA_ERROR_DATA_INVALID );
+
+    return( status );
+}
+
+int psa_is_key_present_in_storage( const mbedtls_svc_key_id_t key )
+{
+    psa_status_t ret;
+    psa_storage_uid_t data_identifier = psa_its_identifier_of_slot( key );
+    struct psa_storage_info_t data_identifier_info;
+
+    ret = psa_its_get_info( data_identifier, &data_identifier_info );
+
+    if( ret == PSA_ERROR_DOES_NOT_EXIST )
+        return( 0 );
+    return( 1 );
+}
+
+/**
+ * \brief Store persistent data for the given key slot number.
+ *
+ * This function stores the given data buffer to a persistent storage.
+ *
+ * \param key           Persistent identifier of the key to be stored. This
+ *                      should be an unoccupied storage location.
+ * \param[in] data      Buffer containing the data to be stored.
+ * \param data_length   The number of bytes
+ *                      that make up the data.
+ *
+ * \retval #PSA_SUCCESS
+ * \retval #PSA_ERROR_INSUFFICIENT_STORAGE
+ * \retval #PSA_ERROR_ALREADY_EXISTS
+ * \retval #PSA_ERROR_STORAGE_FAILURE
+ * \retval #PSA_ERROR_DATA_INVALID
+ */
+static psa_status_t psa_crypto_storage_store( const mbedtls_svc_key_id_t key,
+                                              const uint8_t *data,
+                                              size_t data_length )
+{
+    psa_status_t status;
+    psa_storage_uid_t data_identifier = psa_its_identifier_of_slot( key );
+    struct psa_storage_info_t data_identifier_info;
+
+    if( psa_is_key_present_in_storage( key ) == 1 )
+        return( PSA_ERROR_ALREADY_EXISTS );
+
+    status = psa_its_set( data_identifier, (uint32_t) data_length, data, 0 );
+    if( status != PSA_SUCCESS )
+    {
+        return( PSA_ERROR_DATA_INVALID );
+    }
+
+    status = psa_its_get_info( data_identifier, &data_identifier_info );
+    if( status != PSA_SUCCESS )
+    {
+        goto exit;
+    }
+
+    if( data_identifier_info.size != data_length )
+    {
+        status = PSA_ERROR_DATA_INVALID;
+        goto exit;
+    }
+
+exit:
+    if( status != PSA_SUCCESS )
+    {
+        /* Remove the file in case we managed to create it but something
+         * went wrong. It's ok if the file doesn't exist. If the file exists
+         * but the removal fails, we're already reporting an error so there's
+         * nothing else we can do. */
+        (void) psa_its_remove( data_identifier );
+    }
+    return( status );
+}
+
+psa_status_t psa_destroy_persistent_key( const mbedtls_svc_key_id_t key )
+{
+    psa_status_t ret;
+    psa_storage_uid_t data_identifier = psa_its_identifier_of_slot( key );
+    struct psa_storage_info_t data_identifier_info;
+
+    ret = psa_its_get_info( data_identifier, &data_identifier_info );
+    if( ret == PSA_ERROR_DOES_NOT_EXIST )
+        return( PSA_SUCCESS );
+
+    if( psa_its_remove( data_identifier ) != PSA_SUCCESS )
+        return( PSA_ERROR_DATA_INVALID );
+
+    ret = psa_its_get_info( data_identifier, &data_identifier_info );
+    if( ret != PSA_ERROR_DOES_NOT_EXIST )
+        return( PSA_ERROR_DATA_INVALID );
+
+    return( PSA_SUCCESS );
+}
+
+/**
+ * \brief Get data length for given key slot number.
+ *
+ * \param key               Persistent identifier whose stored data length
+ *                          is to be obtained.
+ * \param[out] data_length  The number of bytes that make up the data.
+ *
+ * \retval #PSA_SUCCESS
+ * \retval #PSA_ERROR_STORAGE_FAILURE
+ * \retval #PSA_ERROR_DOES_NOT_EXIST
+ * \retval #PSA_ERROR_DATA_CORRUPT
+ */
+static psa_status_t psa_crypto_storage_get_data_length(
+    const mbedtls_svc_key_id_t key,
+    size_t *data_length )
+{
+    psa_status_t status;
+    psa_storage_uid_t data_identifier = psa_its_identifier_of_slot( key );
+    struct psa_storage_info_t data_identifier_info;
+
+    status = psa_its_get_info( data_identifier, &data_identifier_info );
+    if( status != PSA_SUCCESS )
+        return( status );
+
+    *data_length = (size_t) data_identifier_info.size;
+
+    return( PSA_SUCCESS );
+}
+
+/*
+ * 32-bit integer manipulation macros (little endian)
+ */
+#ifndef GET_UINT32_LE
+#define GET_UINT32_LE( n, b, i )                        \
+{                                                       \
+    (n) = ( (uint32_t) (b)[(i)    ]       )             \
+        | ( (uint32_t) (b)[(i) + 1] <<  8 )             \
+        | ( (uint32_t) (b)[(i) + 2] << 16 )             \
+        | ( (uint32_t) (b)[(i) + 3] << 24 );            \
+}
+#endif
+
+#ifndef PUT_UINT32_LE
+#define PUT_UINT32_LE( n, b, i )                                \
+{                                                               \
+    (b)[(i)    ] = (unsigned char) ( ( (n)       ) & 0xFF );    \
+    (b)[(i) + 1] = (unsigned char) ( ( (n) >>  8 ) & 0xFF );    \
+    (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF );    \
+    (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF );    \
+}
+#endif
+
+/*
+ * 16-bit integer manipulation macros (little endian)
+ */
+#ifndef GET_UINT16_LE
+#define GET_UINT16_LE( n, b, i )                        \
+{                                                       \
+    (n) = ( (uint16_t) (b)[(i)    ]       )             \
+        | ( (uint16_t) (b)[(i) + 1] <<  8 );            \
+}
+#endif
+
+#ifndef PUT_UINT16_LE
+#define PUT_UINT16_LE( n, b, i )                                \
+{                                                               \
+    (b)[(i)    ] = (unsigned char) ( ( (n)       ) & 0xFF );    \
+    (b)[(i) + 1] = (unsigned char) ( ( (n) >>  8 ) & 0xFF );    \
+}
+#endif
+
+/**
+ * Persistent key storage magic header.
+ */
+#define PSA_KEY_STORAGE_MAGIC_HEADER "PSA\0KEY"
+#define PSA_KEY_STORAGE_MAGIC_HEADER_LENGTH ( sizeof( PSA_KEY_STORAGE_MAGIC_HEADER ) )
+
+typedef struct {
+    uint8_t magic[PSA_KEY_STORAGE_MAGIC_HEADER_LENGTH];
+    uint8_t version[4];
+    uint8_t lifetime[sizeof( psa_key_lifetime_t )];
+    uint8_t type[2];
+    uint8_t bits[2];
+    uint8_t policy[sizeof( psa_key_policy_t )];
+    uint8_t data_len[4];
+    uint8_t key_data[];
+} psa_persistent_key_storage_format;
+
+void psa_format_key_data_for_storage( const uint8_t *data,
+                                      const size_t data_length,
+                                      const psa_core_key_attributes_t *attr,
+                                      uint8_t *storage_data )
+{
+    psa_persistent_key_storage_format *storage_format =
+        (psa_persistent_key_storage_format *) storage_data;
+
+    memcpy( storage_format->magic, PSA_KEY_STORAGE_MAGIC_HEADER, PSA_KEY_STORAGE_MAGIC_HEADER_LENGTH );
+    PUT_UINT32_LE( 0, storage_format->version, 0 );
+    PUT_UINT32_LE( attr->lifetime, storage_format->lifetime, 0 );
+    PUT_UINT16_LE( (uint16_t) attr->type, storage_format->type, 0 );
+    PUT_UINT16_LE( (uint16_t) attr->bits, storage_format->bits, 0 );
+    PUT_UINT32_LE( attr->policy.usage, storage_format->policy, 0 );
+    PUT_UINT32_LE( attr->policy.alg, storage_format->policy, sizeof( uint32_t ) );
+    PUT_UINT32_LE( attr->policy.alg2, storage_format->policy, 2 * sizeof( uint32_t ) );
+    PUT_UINT32_LE( data_length, storage_format->data_len, 0 );
+    memcpy( storage_format->key_data, data, data_length );
+}
+
+static psa_status_t check_magic_header( const uint8_t *data )
+{
+    if( memcmp( data, PSA_KEY_STORAGE_MAGIC_HEADER,
+                PSA_KEY_STORAGE_MAGIC_HEADER_LENGTH ) != 0 )
+        return( PSA_ERROR_DATA_INVALID );
+    return( PSA_SUCCESS );
+}
+
+psa_status_t psa_parse_key_data_from_storage( const uint8_t *storage_data,
+                                              size_t storage_data_length,
+                                              uint8_t **key_data,
+                                              size_t *key_data_length,
+                                              psa_core_key_attributes_t *attr )
+{
+    psa_status_t status;
+    const psa_persistent_key_storage_format *storage_format =
+        (const psa_persistent_key_storage_format *)storage_data;
+    uint32_t version;
+
+    if( storage_data_length < sizeof(*storage_format) )
+        return( PSA_ERROR_DATA_INVALID );
+
+    status = check_magic_header( storage_data );
+    if( status != PSA_SUCCESS )
+        return( status );
+
+    GET_UINT32_LE( version, storage_format->version, 0 );
+    if( version != 0 )
+        return( PSA_ERROR_DATA_INVALID );
+
+    GET_UINT32_LE( *key_data_length, storage_format->data_len, 0 );
+    if( *key_data_length > ( storage_data_length - sizeof(*storage_format) ) ||
+        *key_data_length > PSA_CRYPTO_MAX_STORAGE_SIZE )
+        return( PSA_ERROR_DATA_INVALID );
+
+    if( *key_data_length == 0 )
+    {
+        *key_data = NULL;
+    }
+    else
+    {
+        *key_data = mbedtls_calloc( 1, *key_data_length );
+        if( *key_data == NULL )
+            return( PSA_ERROR_INSUFFICIENT_MEMORY );
+        memcpy( *key_data, storage_format->key_data, *key_data_length );
+    }
+
+    GET_UINT32_LE( attr->lifetime, storage_format->lifetime, 0 );
+    GET_UINT16_LE( attr->type, storage_format->type, 0 );
+    GET_UINT16_LE( attr->bits, storage_format->bits, 0 );
+    GET_UINT32_LE( attr->policy.usage, storage_format->policy, 0 );
+    GET_UINT32_LE( attr->policy.alg, storage_format->policy, sizeof( uint32_t ) );
+    GET_UINT32_LE( attr->policy.alg2, storage_format->policy, 2 * sizeof( uint32_t ) );
+
+    return( PSA_SUCCESS );
+}
+
+psa_status_t psa_save_persistent_key( const psa_core_key_attributes_t *attr,
+                                      const uint8_t *data,
+                                      const size_t data_length )
+{
+    size_t storage_data_length;
+    uint8_t *storage_data;
+    psa_status_t status;
+
+    /* All keys saved to persistent storage always have a key context */
+    if( data == NULL || data_length == 0 )
+        return( PSA_ERROR_INVALID_ARGUMENT );
+
+    if( data_length > PSA_CRYPTO_MAX_STORAGE_SIZE )
+        return( PSA_ERROR_INSUFFICIENT_STORAGE );
+    storage_data_length = data_length + sizeof( psa_persistent_key_storage_format );
+
+    storage_data = mbedtls_calloc( 1, storage_data_length );
+    if( storage_data == NULL )
+        return( PSA_ERROR_INSUFFICIENT_MEMORY );
+
+    psa_format_key_data_for_storage( data, data_length, attr, storage_data );
+
+    status = psa_crypto_storage_store( attr->id,
+                                       storage_data, storage_data_length );
+
+    mbedtls_free( storage_data );
+
+    return( status );
+}
+
+void psa_free_persistent_key_data( uint8_t *key_data, size_t key_data_length )
+{
+    if( key_data != NULL )
+    {
+        mbedtls_platform_zeroize( key_data, key_data_length );
+    }
+    mbedtls_free( key_data );
+}
+
+psa_status_t psa_load_persistent_key( psa_core_key_attributes_t *attr,
+                                      uint8_t **data,
+                                      size_t *data_length )
+{
+    psa_status_t status = PSA_SUCCESS;
+    uint8_t *loaded_data;
+    size_t storage_data_length = 0;
+    mbedtls_svc_key_id_t key = attr->id;
+
+    status = psa_crypto_storage_get_data_length( key, &storage_data_length );
+    if( status != PSA_SUCCESS )
+        return( status );
+
+    loaded_data = mbedtls_calloc( 1, storage_data_length );
+
+    if( loaded_data == NULL )
+        return( PSA_ERROR_INSUFFICIENT_MEMORY );
+
+    status = psa_crypto_storage_load( key, loaded_data, storage_data_length );
+    if( status != PSA_SUCCESS )
+        goto exit;
+
+    status = psa_parse_key_data_from_storage( loaded_data, storage_data_length,
+                                              data, data_length, attr );
+
+    /* All keys saved to persistent storage always have a key context */
+    if( status == PSA_SUCCESS &&
+        ( *data == NULL || *data_length == 0 ) )
+        status = PSA_ERROR_STORAGE_FAILURE;
+
+exit:
+    mbedtls_free( loaded_data );
+    return( status );
+}
+
+
+
+/****************************************************************/
+/* Transactions */
+/****************************************************************/
+
+#if defined(PSA_CRYPTO_STORAGE_HAS_TRANSACTIONS)
+
+psa_crypto_transaction_t psa_crypto_transaction;
+
+psa_status_t psa_crypto_save_transaction( void )
+{
+    struct psa_storage_info_t p_info;
+    psa_status_t status;
+    status = psa_its_get_info( PSA_CRYPTO_ITS_TRANSACTION_UID, &p_info );
+    if( status == PSA_SUCCESS )
+    {
+        /* This shouldn't happen: we're trying to start a transaction while
+         * there is still a transaction that hasn't been replayed. */
+        return( PSA_ERROR_CORRUPTION_DETECTED );
+    }
+    else if( status != PSA_ERROR_DOES_NOT_EXIST )
+        return( status );
+    return( psa_its_set( PSA_CRYPTO_ITS_TRANSACTION_UID,
+                         sizeof( psa_crypto_transaction ),
+                         &psa_crypto_transaction,
+                         0 ) );
+}
+
+psa_status_t psa_crypto_load_transaction( void )
+{
+    psa_status_t status;
+    size_t length;
+    status = psa_its_get( PSA_CRYPTO_ITS_TRANSACTION_UID, 0,
+                          sizeof( psa_crypto_transaction ),
+                          &psa_crypto_transaction, &length );
+    if( status != PSA_SUCCESS )
+        return( status );
+    if( length != sizeof( psa_crypto_transaction ) )
+        return( PSA_ERROR_DATA_INVALID );
+    return( PSA_SUCCESS );
+}
+
+psa_status_t psa_crypto_stop_transaction( void )
+{
+    psa_status_t status = psa_its_remove( PSA_CRYPTO_ITS_TRANSACTION_UID );
+    /* Whether or not updating the storage succeeded, the transaction is
+     * finished now. It's too late to go back, so zero out the in-memory
+     * data. */
+    memset( &psa_crypto_transaction, 0, sizeof( psa_crypto_transaction ) );
+    return( status );
+}
+
+#endif /* PSA_CRYPTO_STORAGE_HAS_TRANSACTIONS */
+
+
+
+/****************************************************************/
+/* Random generator state */
+/****************************************************************/
+
+#if defined(MBEDTLS_PSA_INJECT_ENTROPY)
+psa_status_t mbedtls_psa_storage_inject_entropy( const unsigned char *seed,
+                                                 size_t seed_size )
+{
+    psa_status_t status;
+    struct psa_storage_info_t p_info;
+
+    status = psa_its_get_info( PSA_CRYPTO_ITS_RANDOM_SEED_UID, &p_info );
+
+    if( PSA_ERROR_DOES_NOT_EXIST == status ) /* No seed exists */
+    {
+        status = psa_its_set( PSA_CRYPTO_ITS_RANDOM_SEED_UID, seed_size, seed, 0 );
+    }
+    else if( PSA_SUCCESS == status )
+    {
+        /* You should not be here. Seed needs to be injected only once */
+        status = PSA_ERROR_NOT_PERMITTED;
+    }
+    return( status );
+}
+#endif /* MBEDTLS_PSA_INJECT_ENTROPY */
+
+
+
+/****************************************************************/
+/* The end */
+/****************************************************************/
+
+#endif /* MBEDTLS_PSA_CRYPTO_STORAGE_C */