/* * (C) 2015,2017 Jack Lloyd * * Botan is released under the Simplified BSD License (see license.txt) */ #include #include #include extern "C" { using namespace Botan_FFI; BOTAN_FFI_DECLARE_STRUCT(botan_mac_struct, Botan::MessageAuthenticationCode, 0xA06E8FC1); int botan_mac_init(botan_mac_t* mac, const char* mac_name, uint32_t flags) { return ffi_guard_thunk(BOTAN_CURRENT_FUNCTION, [=]() -> int { if(!mac || !mac_name || flags != 0) return BOTAN_FFI_ERROR_NULL_POINTER; std::unique_ptr m = Botan::MessageAuthenticationCode::create(mac_name); if(m == nullptr) return BOTAN_FFI_ERROR_NOT_IMPLEMENTED; *mac = new botan_mac_struct(m.release()); return BOTAN_FFI_SUCCESS; }); } int botan_mac_destroy(botan_mac_t mac) { return BOTAN_FFI_CHECKED_DELETE(mac); } int botan_mac_set_key(botan_mac_t mac, const uint8_t* key, size_t key_len) { return BOTAN_FFI_DO(Botan::MessageAuthenticationCode, mac, m, { m.set_key(key, key_len); }); } int botan_mac_output_length(botan_mac_t mac, size_t* out) { return BOTAN_FFI_DO(Botan::MessageAuthenticationCode, mac, m, { *out = m.output_length(); }); } int botan_mac_clear(botan_mac_t mac) { return BOTAN_FFI_DO(Botan::MessageAuthenticationCode, mac, m, { m.clear(); }); } int botan_mac_update(botan_mac_t mac, const uint8_t* buf, size_t len) { return BOTAN_FFI_DO(Botan::MessageAuthenticationCode, mac, m, { m.update(buf, len); }); } int botan_mac_final(botan_mac_t mac, uint8_t out[]) { return BOTAN_FFI_DO(Botan::MessageAuthenticationCode, mac, m, { m.final(out); }); } int botan_mac_name(botan_mac_t mac, char* name, size_t* name_len) { return BOTAN_FFI_DO(Botan::MessageAuthenticationCode, mac, m, { return write_str_output(name, name_len, m.name()); }); } }