SecurityProfile_CAM.cpp

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#include "include/SecurityProfile_CAM.h"

QByteArray SecurityProfile_CAM::secureHeader(SignerInfoType_t m_type, Certificate_t m_certificate, FakeGPSProvider *m_gps)
{
    //TODO: Manage other cases.
    SecuredHeader_t header;

    header.protocol_version = 2;
    header.type = PayloadType_signed;

    header.header_fields.list.array = (HeaderField_t**)calloc(1, sizeof *header.header_fields.list.array);
    header.header_fields.list.count = 0;
    header.header_fields.list.free = 0;
    header.header_fields.list.size = 0;

    HeaderField_t *field = (HeaderField_t*)calloc(1, sizeof *field);
    SignerInfo_t signerInfo;
    signerInfo.type = SignerInfoType_certificate_digest_with_sha256;
    signerInfo.signer_info.present = signer_info_PR_certificate_digest_with_sha256;
    signerInfo.signer_info.choice.certificate_digest_with_sha256.digest.size = 8;
    signerInfo.signer_info.choice.certificate_digest_with_sha256.digest.buf = (uint8_t*)calloc(8, 1);
    memcpy(m_certificate.signer_info_certificate->signer_info.choice.certificate_digest_with_sha256.digest.buf,
           signerInfo.signer_info.choice.certificate_digest_with_sha256.digest.buf, 8);
    field->type = HeaderFieldType_signer_info;
    field->header_field.present = header_field_PR_signer_info_header_field;
    field->header_field.choice.signer_info_header_field.signer = signerInfo;
    header.header_fields.list.array[0] = (HeaderField_t*)calloc(1, sizeof *header.header_fields.list.array[0]);
    asn_sequence_add(&header.header_fields, field);

    field = (HeaderField_t*)calloc(1, sizeof *field);
    Time64_t time;
    time.size = 8;
    time.buf = (uint8_t*)calloc(8, 1);
    format(time.buf, m_gps->timestamp() * 1000, 8);
    field->type = HeaderFieldType_generation_time;
    field->header_field.present = header_field_PR_generation_time;
    field->header_field.choice.generation_time.generation_time_value = time;
    header.header_fields.list.array[1] = (HeaderField_t*)calloc(1, sizeof *header.header_fields.list.array[1]);
    asn_sequence_add(&header.header_fields, field);

    field = (HeaderField_t*)calloc(1, sizeof *field);
    field->header_field.choice.its_aid_header_field.its_aid_value = 36;
    header.header_fields.list.array[2] = (HeaderField_t*)calloc(1, sizeof *header.header_fields.list.array[2]);
    asn_sequence_add(&header.header_fields, field);

    return encode_SecuredHeader(header);
}