你好，我想在Arduino-Uno上实现一个斑点算法。我在ubuntu 18.04上将specklibrary上传到了arduino IDE。但是，当我编译代码时，会出现错误编译。这是错误的错误日志。
Arduino: 1.8.8 (Windows Store 1.8.19.0) (Windows 10), Board: "Arduino/Genuino Uno"
C:\Users\AppData\Local\Temp\ccYOtIOV.ltrans0.ltrans.o: In function `setup':
D:\speck/speck.ino:47: undefined reference to `runEncryptionKeySchedule(unsigned char*, unsigned char*)'
D:\speck/speck.ino:51: undefined reference to `encrypt(unsigned char*, unsigned char*)'
D:\speck/speck.ino:66: undefined reference to `runDecryptionKeySchedule(unsigned char*, unsigned char*)'
D:\speck/speck.ino:69: undefined reference to `decrypt(unsigned char*, unsigned char*)'
Error compiling for board Arduino/Genuino Uno.
arduino代码。
#include <string.h>
#include "cipher.h"
#include "common.h"
#include "constants.h"
#include "data_types.h"
#include "primitives.h"
#include "rot8.h"
#include "rot16.h"
#include "rot32.h"
const char *name = "Speck-64-96-ECB";
uint8_t key[12] = {
0x13, 0x12, 0x11, 0x10, 0x0b, 0x0a, 0x09, 0x08,
0x03, 0x02, 0x01, 0x00 };
uint8_t plaintext[BLOCK_SIZE] = {
0x74, 0x61, 0x46, 0x20, 0x73, 0x6e, 0x61, 0x65 };
uint8_t ciphertext[BLOCK_SIZE] = {
0x9f, 0x79, 0x52, 0xec, 0x41, 0x75, 0x94, 0x6c };
uint8_t state [BLOCK_SIZE] = { }
;
uint8_t roundKeys [ ROUND_KEYS_SIZE ] = { }
;
void setup()
{
Serial.begin(9600);
Serial.println();
Serial.println("State Sizes:");
Serial.println("Speck ... ");
Serial.println("Speck Test Vectors:");
Serial.print(name);
Serial.print(" Encryption ... ");
runEncryptionKeySchedule(key, roundKeys);
encrypt(state, roundKeys);
if (memcmp(state, ciphertext, BLOCK_SIZE) == 0)
Serial.println("Passed");
else
Serial.println("Failed");
/* if (!decryption)
return;
*/
Serial.print(name);
Serial.print(" Decryption ... ");
runDecryptionKeySchedule(key, roundKeys);
decrypt(state, roundKeys);
if (memcmp(state, plaintext, BLOCK_SIZE) == 0)
Serial.println("Passed");
else
Serial.println("Failed");
}
void loop()
{
}
头文件：
#ifndef CIPHER_H
#define CIPHER_H
#ifdef AVR /* AVR */
#include <avr/pgmspace.h>
#endif /* AVR */
/*
*
* Run the encryption key schedule
* ... key - the cipher key
* ... roundKeys - the encryption round keys
*
*/
void runEncryptionKeySchedule(uint8_t *key, uint8_t *roundKeys);
/*
*
* Run the decryption key schedule
* ... key - the cipher key
* ... roundKeys - the decryption round keys
*
*/
void runDecryptionKeySchedule(uint8_t *key, uint8_t *roundKeys);
/*
*
* Encrypt the given block using the given round keys
* ... block - the block to encrypt
* ... roundKeys - the round keys to be used during encryption
*
*/
void encrypt(uint8_t *block, uint8_t *roundKeys);
/*
*
* Decrypt the given block using the given round keys
* ... block - the block to decrypt
* ... roundKeys - the round keys to be used during decryption
*
*/
void decrypt(uint8_t *block, uint8_t *roundKeys);
/*
*
* Optimization levels
* ... OPTIMIZATION_LEVEL_0 - O0
* ... OPTIMIZATION_LEVEL_1 - O1
* ... OPTIMIZATION_LEVEL_2 - O2
* ... OPTIMIZATION_LEVEL_3 - O3 = defualt
*
*/
#define OPTIMIZATION_LEVEL_0 __attribute__((optimize("O0")))
#define OPTIMIZATION_LEVEL_1 __attribute__((optimize("O1")))
#define OPTIMIZATION_LEVEL_2 __attribute__((optimize("O2")))
#define OPTIMIZATION_LEVEL_3 __attribute__((optimize("O3")))
/*
*
* SCENARIO values:
* ... SCENARIO_0 0 - cipher operation: encrypt & decrypt one data block
* ... SCENARIO_1 1 - scenario 1: encrypt & decrypt data in CBC mode
* ... SCENARIO_2 2 - scenario 2: encrypt & decrypt data in CTR mode
*
*/
#define SCENARIO_0 0
#define SCENARIO_1 1
#define SCENARIO_2 2
#ifndef SCENARIO
#define SCENARIO SCENARIO_0
#endif
/*
*
* MEASURE_CYCLE_COUNT values:
* ... MEASURE_CYCLE_COUNT_DISABLED 0 - measure cycle count is disabled
* ... MEASURE_CYCLE_COUNT_ENABLED 1 - measure cycle count is enabled
*
*/
#define MEASURE_CYCLE_COUNT_DISABLED 0
#define MEASURE_CYCLE_COUNT_ENABLED 1
#ifndef MEASURE_CYCLE_COUNT
#define MEASURE_CYCLE_COUNT MEASURE_CYCLE_COUNT_DISABLED
#endif
/*
*
* Align memory boundaries in bytes
*
*/
#define ALIGN_PC_BOUNDRY 64
#define ALIGN_AVR_BOUNDRY 2
#define ALIGN_MSP_BOUNDRY 2
#define ALIGN_ARM_BOUNDRY 8
#if defined(PC) && !defined(ALIGNED) /* PC ALIGNED */
#define ALIGNED __attribute__ ((aligned(ALIGN_PC_BOUNDRY)))
#endif /* PC ALIGNED */
#if defined(AVR) && !defined(ALIGNED) /* AVR ALIGNED */
#define ALIGNED __attribute__ ((aligned(ALIGN_AVR_BOUNDRY)))
#endif /* AVR ALIGNED */
#if defined(MSP) && !defined(ALIGNED) /* MSP ALIGNED */
#define ALIGNED __attribute__ ((aligned(ALIGN_MSP_BOUNDRY)))
#endif /* MSP ALIGNED */
#if defined(ARM) && !defined(ALIGNED) /* ARM ALIGNED */
#define ALIGNED __attribute__ ((aligned(ALIGN_ARM_BOUNDRY)))
#endif /* ARM ALIGNED */
/*
*
* RAM data types
*
*/
#define RAM_DATA_BYTE uint8_t ALIGNED
#define RAM_DATA_WORD uint16_t ALIGNED
#define RAM_DATA_DOUBLE_WORD uint32_t ALIGNED
#define READ_RAM_DATA_BYTE(x) x
#define READ_RAM_DATA_WORD(x) x
#define READ_RAM_DATA_DOUBLE_WORD(x) x
/*
*
* Flash/ROM data types
*
*/
#if defined(AVR) /* AVR */
#define ROM_DATA_BYTE const uint8_t PROGMEM ALIGNED
#define ROM_DATA_WORD const uint16_t PROGMEM ALIGNED
#define ROM_DATA_DOUBLE_WORD const uint32_t PROGMEM ALIGNED
#define READ_ROM_DATA_BYTE(x) pgm_read_byte(&x)
#define READ_ROM_DATA_WORD(x) pgm_read_word(&x)
#define READ_ROM_DATA_DOUBLE_WORD(x) pgm_read_dword(&x)
#else /* AVR */
#define ROM_DATA_BYTE const uint8_t ALIGNED
#define ROM_DATA_WORD const uint16_t ALIGNED
#define ROM_DATA_DOUBLE_WORD const uint32_t ALIGNED
#define READ_ROM_DATA_BYTE(x) x
#define READ_ROM_DATA_WORD(x) x
#define READ_ROM_DATA_DOUBLE_WORD(x) x
#endif /* AVR */
/*
*
* Scenario 2 round keys are stored in Flash/ROM
*
*/
#if defined(SCENARIO) && (SCENARIO_2 == SCENARIO)
#define READ_ROUND_KEY_BYTE(x) READ_ROM_DATA_BYTE(x)
#define READ_ROUND_KEY_WORD(x) READ_ROM_DATA_WORD(x)
#define READ_ROUND_KEY_DOUBLE_WORD(x) READ_ROM_DATA_DOUBLE_WORD(x)
#else
#define READ_ROUND_KEY_BYTE(x) READ_RAM_DATA_BYTE(x)
#define READ_ROUND_KEY_WORD(x) READ_RAM_DATA_WORD(x)
#define READ_ROUND_KEY_DOUBLE_WORD(x) READ_RAM_DATA_DOUBLE_WORD(x)
#endif
#endif /* CIPHER_H */
和c代码文件：
#include <stdint.h>
#include "cipher.h"
#include "rot8.h"
#include "constants.h"
void encrypt(uint8_t *block, uint8_t *roundKeys)
{
uint8_t *block8 = (uint8_t *)block;
const uint8_t *rk = (uint8_t *)roundKeys;
uint8_t y = block8[0];
uint8_t x = block8[1];
uint8_t i;
for (i = 0; i < NUMBER_OF_ROUNDS; ++i) {
x = (rot8r8(x) + y) ^ READ_ROUND_KEY_DOUBLE_WORD(rk[i]);
y = rot8l3(y) ^ x;
}
block8[0] = y;
block8[1] = x;
}
`
我搜索了所有来源。他们说了所有的话，但是，我找不到原因。非常感谢您的帮助...
答案 0 :(得分：0)
非常感谢您的帮助。这时，这里的帮助只是写作。我找到了解决问题的方法。
对于arduino.ino中使用的所有类文件，我们应该在下面添加页眉和页脚。
#ifndef XXX_H_
#define XXX_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "cipher.h"
#include "rot8.h"
#include "constants.h"
void encrypt(uint8_t *block, uint8_t *roundKeys);
#ifdef __cplusplus
}
#endif
#endif
对于我的班级，这是解决方案；
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include "cipher.h"
#include "rot8.h"
#include "constants.h"
void encrypt(uint8_t *block, uint8_t *roundKeys)
{
uint8_t *block8 = (uint8_t *)block;
const uint8_t *rk = (uint8_t *)roundKeys;
uint8_t y = block8[0];
uint8_t x = block8[1];
uint8_t i;
for (i = 0; i < NUMBER_OF_ROUNDS; ++i) {
x = (rot8r8(x) + y) ^ READ_ROUND_KEY_DOUBLE_WORD(rk[i]);
y = rot8l3(y) ^ x;
}
block8[0] = y;
block8[1] = x;
}
#ifdef __cplusplus
}
#endif