test.c

RC4伪随机流加密算法

//RC4 test program


#include <stdio.h>
#include <stdlib.h>
#include "rc4.c"

int main()
{
	int i;
	unsigned char plaintext[8] = {0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef};
	unsigned char key[8] = {0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef};
	unsigned char out[8] = {0};
	unsigned char cipher[8] = {0x75,0xb7,0x87,0x80,0x99,0xe0,0xc5,0x96};

	RC4_KEY rc4_key;

	//加密测试
	RC4_Set_Key(&rc4_key, key, 8);
	RC4(&rc4_key, plaintext, 8, out);

	printf("plaintext:\t");
	for(i=0; i<8; i++)
	{
		printf("%02X ", plaintext[i]);
	}
	printf("\nkey:\t\t");
	for(i=0; i<8; i++)
	{
		printf("%02X ", key[i]);
	}
	printf("\nout:\t\t");
	for(i=0; i<8; i++)
	{
		printf("%02X ", out[i]);
	}
	printf("\ncipher:\t\t");
	for(i=0; i<8; i++)
	{
		printf("%02X ", cipher[i]);
	}

	if(memcmp(cipher, out, 8) != 0)
	{
		printf("\n\nTest wrong!\n\n");
	}
	else
	{
		printf("\n\nTest successfully!\n\n");
	}

	//解密测试
	//每次使用完后，rc4_key结构会自动清空，所以下面需在此重新设置rc4_key
	RC4_Set_Key(&rc4_key, key, 8);
	RC4(&rc4_key, out, 8, plaintext);
	printf("plaintext:\t");
	for(i=0; i<8; i++)
	{
		printf("%02X ", plaintext[i]);
	}

	printf("\n\n");
	system("pause");
}