数据转换-位串字节数组 

1 参考《GMT 0009-2012 SM2密码算法使用规范》第6节“数据转换” 在utils.h和utils.c中完成位串与８位字节串的转换功能

2 并写出测试代码测试上述函数

3 提交代码（或代码链接）和运行结果
 1 #include "sdf.h"
 2 #include <stdio.h>
 3 #include <stdlib.h>
 4 
 5 int main(){
 6 
 7     void ** pdh;
 8     pdh = (void **) malloc(20);
 9     int ret;
10 
11     ret = SDF_OpenDevice(pdh);
12     if(ret != SDR_OK){
13         printf("error!");
14     } else {
15         printf("device opened!\n");
16     }
17 
18     DEVICEINFO testdi;
19     ret = SDF_GetDeviceInfo(pdh, &testdi);
20     if(ret != SDR_OK){
21         printf("error!");
22     } else {
23         printf("Issuer Name: %s\n", testdi.IssuerName);
24         printf("Device Name: %s\n", testdi.DeviceName);
25         printf("Device Serial: %s\n", testdi.DeviceSerial);
26         printf("Device Version: %d\n", testdi.DeviceVersion);
27         
28     }
29 
30     char pRandom[10];
31 
32     ret = SDF_GenerateRandom(*pdh,10, pRandom);
33     if(ret != SDR_OK){
34         printf("error!");
35     } else {
36         for(int i=0; i<10; i++)
37             printf("%d\n", pRandom[i]);
38     }
39 
40 
41     ret = SDF_CloseDevice(*pdh);
42     
43     if(ret != SDR_OK){
44         printf("error!");
45     } else {
46         free(pdh);
47         printf("device closed!\n");
48     }
49 
50     return 0;
51 }

 

 1 #include "sdf.h"
 2 #include <string.h>
 3 #include <time.h>
 4 #include <stdlib.h>
 5 
 6 //********************************
 7 //设备管理
 8 //********************************
 9 
10 int SDF_OpenDevice(void ** phDeviceHandle){
11     return SDR_OK;
12 }
13 
14 
15 int SDF_CloseDevice(void *hDeviceHandle){
16     
17     return SDR_OK;
18 }
19 
20 int SDF_GetDeviceInfo( void * hSessionHandle, DEVICEINFO * pstDeviceInfo) {
21     
22     DEVICEINFO di;
23     strcpy(di.IssuerName,"RocSDF");
24     strcpy(di.DeviceName,"SDFBESTI181x");
25     strcpy(di.DeviceSerial,"2021040001");
26     di.DeviceVersion = 1;
27     //...
28 
29     //pstDevicelnfo = &di;
30     *pstDeviceInfo = di;
31 
32     return SDR_OK;
33 }
34 
35 static int myRandom(){
36     srand((unsigned)time(NULL));
37     return rand();
38 }
39 
40 int SDF_GenerateRandom (void * hSessionHandle, unsigned int uiLength, unsigned char * pucRandom){
41 
42     
43     for(int i=0; i<uiLength; i++){
44         sleep(2); 
45         *(pucRandom+i) = myRandom();
46        // pucRandom[i] = i;
47     }
48 
49     return SDR_OK;
50 }

 

 1 #include <stdio.h>
 2 #include "util.h"
 3 
 4 char HStr = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
 5 char Hex2Char(int i){
 6 /*    
 7     if(i>=0 && i<= 9)
 8         return i + 0x30;
 9         //return i + '0'
10     if(i>=10 && i<=15)
11         return i + 0x37;
12        // return  i + 'A' - 10;
13 */
14     return HStr[i];
15 }

 

posted @ 2021-05-13 09:16  20181220王冠杰  阅读(174)  评论(0)    收藏  举报