C++ (Cpp) DesRawProcessBlock示例

示例#1

文件： des3.c 项目： goodinges/Ciao-Chat

static void Des3ProcessBlock(Des3* des, const byte* in, byte* out)
{
    word32 l, r;

    XMEMCPY(&l, in, sizeof(l));
    XMEMCPY(&r, in + sizeof(l), sizeof(r));
    #ifdef LITTLE_ENDIAN_ORDER
        l = ByteReverseWord32(l);
        r = ByteReverseWord32(r);
    #endif
    IPERM(&l,&r);
    
    DesRawProcessBlock(&l, &r, des->key[0]);   
    DesRawProcessBlock(&r, &l, des->key[1]);   
    DesRawProcessBlock(&l, &r, des->key[2]);   

    FPERM(&l,&r);
    #ifdef LITTLE_ENDIAN_ORDER
        l = ByteReverseWord32(l);
        r = ByteReverseWord32(r);
    #endif
    XMEMCPY(out, &r, sizeof(r));
    XMEMCPY(out + sizeof(r), &l, sizeof(l));
}

示例#2

文件： des3.c 项目： GreenLunar/smaFS

static void DesProcessBlock(Des* des, const byte* in, byte* out)
{
    word32 l, r;

    memcpy(&l, in, sizeof(l));
    memcpy(&r, in + sizeof(l), sizeof(r));
    #ifdef LITTLE_ENDIAN_ORDER
        l = ByteReverseWord32(l);
        r = ByteReverseWord32(r);
    #endif
    IPERM(&l,&r);
    
    DesRawProcessBlock(&l, &r, des->key);   

    FPERM(&l,&r);
    #ifdef LITTLE_ENDIAN_ORDER
        l = ByteReverseWord32(l);
        r = ByteReverseWord32(r);
    #endif
    memcpy(out, &r, sizeof(r));
    memcpy(out + sizeof(r), &l, sizeof(l));
}