将字符串转化为16进制数:
void StrToHex(BYTE *pbDest, BYTE *pbSrc, int nLen)
{
char h1,h2;
BYTE s1,s2;
int i;
for (i=0; i<nLen; i++)
{
h1 = pbSrc[2*i];
h2 = pbSrc[2*i+1];
s1 = toupper(h1) - 0x30;
if (s1 > 9)
{
s1 -= 7;
}
s2 = toupper(h2) - 0x30;
if (s2 > 9)
{
s2 -= 7;
}
pbDest[i] = s1*16 + s2;
}
}
将16进制数转化为字符串:
void HexToStr(BYTE *pbDest, BYTE *pbSrc, int nLen)
{
char ddl,ddh;
int i;
for (i=0; i<nLen; i++)
{
ddh = 48 + pbSrc[i] / 16;
ddl = 48 + pbSrc[i] % 16;
if (ddh > 57)
{
ddh = ddh + 7;
}
if (ddl > 57)
{
ddl = ddl + 7;
}
pbDest[i*2] = ddh;
pbDest[i*2+1] = ddl;
}
pbDest[nLen*2] = '\0';
}
来源:
大厨无盐煮
https://www.cnblogs.com/nio-nio/p/3309367.html