C++ (Cpp) Des3ProcessBlock Examples

Example #1

File: des3.c Project: goodinges/Ciao-Chat

void Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
{
    word32 blocks = sz / DES_BLOCK_SIZE;

    while (blocks--) {
        xorbuf((byte*)des->reg, in, DES_BLOCK_SIZE);
        Des3ProcessBlock(des, (byte*)des->reg, (byte*)des->reg);
        XMEMCPY(out, des->reg, DES_BLOCK_SIZE);

        out += DES_BLOCK_SIZE;
        in  += DES_BLOCK_SIZE; 
    }
}

Example #2

File: des3.c Project: GreenLunar/smaFS

void Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
{
    word32 blocks = sz / DES_BLOCK_SIZE;
    byte   hold[16];

    while (blocks--) {
        memcpy(des->tmp, in, DES_BLOCK_SIZE);
        Des3ProcessBlock(des, (byte*)des->tmp, out);
        xorbuf(out, (byte*)des->reg, DES_BLOCK_SIZE);

        memcpy(hold, des->reg, DES_BLOCK_SIZE);
        memcpy(des->reg, des->tmp, DES_BLOCK_SIZE);
        memcpy(des->tmp, hold, DES_BLOCK_SIZE);

        out += DES_BLOCK_SIZE;
        in  += DES_BLOCK_SIZE; 
    }
}

Example #3

File: des3.c Project: tomsparrow25/wifisdk_for_wm

void Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
{
    word32 blocks;

#ifdef HAVE_CAVIUM
    if (des->magic == CYASSL_3DES_CAVIUM_MAGIC)
        return Des3_CaviumCbcEncrypt(des, out, in, sz);
#endif

    blocks = sz / DES_BLOCK_SIZE;
    while (blocks--) {
        xorbuf((byte*)des->reg, in, DES_BLOCK_SIZE);
        Des3ProcessBlock(des, (byte*)des->reg, (byte*)des->reg);
        XMEMCPY(out, des->reg, DES_BLOCK_SIZE);

        out += DES_BLOCK_SIZE;
        in  += DES_BLOCK_SIZE; 
    }
}

Example #4

File: des3.c Project: TheThingsProducts/gateway

int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
{
    word32 blocks;

#ifdef HAVE_CAVIUM
    if (des->magic == WOLFSSL_3DES_CAVIUM_MAGIC)
        return wc_Des3_CaviumCbcDecrypt(des, out, in, sz);
#endif

    blocks = sz / DES_BLOCK_SIZE;
    while (blocks--) {
        XMEMCPY(des->tmp, in, DES_BLOCK_SIZE);
        Des3ProcessBlock(des, (byte*)des->tmp, out);
        xorbuf(out, (byte*)des->reg, DES_BLOCK_SIZE);
        XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);

        out += DES_BLOCK_SIZE;
        in  += DES_BLOCK_SIZE; 
    }
    return 0;
}