LCOV - code coverage report
Current view: top level - src/oscore - aad.c (source / functions) Hit Total Coverage
Test: lcov.info Lines: 16 16 100.0 %
Date: 2024-09-16 20:15:30 Functions: 1 1 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 1 2 50.0 %

           Branch data     Line data    Source code
       1                 :            : /*
       2                 :            :    Copyright (c) 2021 Fraunhofer AISEC. See the COPYRIGHT
       3                 :            :    file at the top-level directory of this distribution.
       4                 :            : 
       5                 :            :    Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
       6                 :            :    http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
       7                 :            :    <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
       8                 :            :    option. This file may not be copied, modified, or distributed
       9                 :            :    except according to those terms.
      10                 :            : */
      11                 :            : 
      12                 :            : #include "oscore.h"
      13                 :            : 
      14                 :            : #include "oscore/aad.h"
      15                 :            : #include "oscore/option.h"
      16                 :            : 
      17                 :            : #include "common/print_util.h"
      18                 :            : #include "common/oscore_edhoc_error.h"
      19                 :            : #include "common/memcpy_s.h"
      20                 :            : 
      21                 :            : #include "cbor/oscore_aad_array.h"
      22                 :            : 
      23                 :         28 : enum err create_aad(struct o_coap_option *options, uint16_t opt_num,
      24                 :            :                     enum AEAD_algorithm aead_alg, struct byte_array *kid,
      25                 :            :                     struct byte_array *piv, struct byte_array *out)
      26                 :            : {
      27                 :            :         struct aad_array aad_array;
      28                 :            : 
      29                 :         28 :         aad_array.aad_array_oscore_version = 1;
      30                 :         28 :         aad_array.aad_array_algorithms_alg_aead_choice =
      31                 :            :                 aad_array_algorithms_alg_aead_int_c;
      32                 :         28 :         aad_array.aad_array_algorithms_alg_aead_int = (int32_t)aead_alg;
      33                 :         28 :         aad_array.aad_array_request_kid.value = kid->ptr;
      34                 :         28 :         aad_array.aad_array_request_kid.len = kid->len;
      35                 :         28 :         aad_array.aad_array_request_piv.value = piv->ptr;
      36                 :         28 :         aad_array.aad_array_request_piv.len = piv->len;
      37                 :            : 
      38                 :         28 :         PRINT_ARRAY("request_piv", piv->ptr, piv->len);
      39                 :         28 :         PRINT_ARRAY("request_kid", kid->ptr, kid->len);
      40                 :            : 
      41                 :            :         /*
      42                 :            :          * Currently there are no I options defined.
      43                 :            :          * If at some later time I options are defined this implementation 
      44                 :            :          * must  be extended here. 
      45                 :            :          */
      46                 :         28 :         aad_array.aad_array_options.len = 0;
      47                 :         28 :         aad_array.aad_array_options.value = NULL;
      48                 :            : 
      49                 :            :         size_t payload_len_out;
      50         [ -  + ]:         28 :         TRY_EXPECT(cbor_encode_aad_array(out->ptr, out->len, &aad_array,
      51                 :            :                                          &payload_len_out),
      52                 :            :                    0);
      53                 :            : 
      54                 :         28 :         out->len = (uint32_t)payload_len_out;
      55                 :         28 :         PRINT_ARRAY("AAD", out->ptr, out->len);
      56                 :         28 :         return ok;
      57                 :            : }

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