test.c

RC4加密算法是大名鼎鼎的RSA三人组中的头号人物Ron Rivest在1987年设计的密钥长度可变的流加密算法簇。

#include <string.h>
#include <stdio.h>
#include "rc4.h"
/*
 * ARC4 tests vectors from OpenSSL (crypto/rc4/rc4test.c)
 */

static unsigned char keys[7][30]={
        {8,0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef},
        {8,0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef},
        {8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
        {4,0xef,0x01,0x23,0x45},
        {8,0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef},
        {4,0xef,0x01,0x23,0x45},
        };

static unsigned char data_len[7]={8,8,8,20,28,10};
static unsigned char data[7][30]={
        {0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef,0xff},
        {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff},
        {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff},
        {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
           0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
           0x00,0x00,0x00,0x00,0xff},
        {0x12,0x34,0x56,0x78,0x9A,0xBC,0xDE,0xF0,
           0x12,0x34,0x56,0x78,0x9A,0xBC,0xDE,0xF0,
           0x12,0x34,0x56,0x78,0x9A,0xBC,0xDE,0xF0,
           0x12,0x34,0x56,0x78,0xff},
        {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff},
        {0},
        };

static unsigned char output[7][30]={
        {0x75,0xb7,0x87,0x80,0x99,0xe0,0xc5,0x96,0x00},
        {0x74,0x94,0xc2,0xe7,0x10,0x4b,0x08,0x79,0x00},
        {0xde,0x18,0x89,0x41,0xa3,0x37,0x5d,0x3a,0x00},
        {0xd6,0xa1,0x41,0xa7,0xec,0x3c,0x38,0xdf,
         0xbd,0x61,0x5a,0x11,0x62,0xe1,0xc7,0xba,
         0x36,0xb6,0x78,0x58,0x00},
        {0x66,0xa0,0x94,0x9f,0x8a,0xf7,0xd6,0x89,
         0x1f,0x7f,0x83,0x2b,0xa8,0x33,0xc0,0x0c,
         0x89,0x2e,0xbe,0x30,0x14,0x3c,0xe2,0x87,
         0x40,0x01,0x1e,0xcf,0x00},
        {0xd6,0xa1,0x41,0xa7,0xec,0x3c,0x38,0xdf,0xbd,0x61,0x00},
        {0},
        };

int main( void )
{
    int i;
    struct rc4_state s;
    unsigned char buffer[30];

    printf( "\n RC4 Validation Tests:\n\n" );

    for( i = 0; i < 6; i++ )
    {
        printf( " Test %d ", i + 1 );

        memcpy( buffer, data[i], data_len[i] );

        rc4_setup( &s, &keys[i][1], keys[i][0] );
        rc4_crypt( &s, buffer, data_len[i] );

        if( memcmp( buffer, output[i], data_len[i] ) )
        {
            printf( "failed!\n" );
            return( 1 );
        }

        printf( "passed.\n" );
    }

    printf( "\n" );

    return( 0 );
}