Geremia G / Crypto

Fork of François Berder Crypto, fixed AES CBC and small rework

Dependents:   AES_example shaun_larada Smartage

Fork of Crypto by Francois Berder

cipher/TDES.cpp

Committer:
Geremia
Date:
2015-01-28
Revision:
16:4399e2e6260b
Parent:
8:a090264e9b2d

File content as of revision 16:4399e2e6260b:

#include "TDES.h"

TDES::TDES(uint8_t *key1, uint8_t *key2, uint8_t *key3):
BlockCipher(8,ECB_MODE),
a(key1),
b(key2),
c(key3)
{

}

TDES::TDES(uint8_t *key1, uint8_t *key2, uint8_t *key3, uint8_t *iv):
BlockCipher(8,CBC_MODE,iv),
a(key1),
b(key2),
c(key3)
{

}

void TDES::encryptBlock(uint8_t *out, uint8_t *in)
{
    uint8_t tmp[8], tmp2[8];
    a.encryptBlock(tmp,in);
    b.decryptBlock(tmp2,tmp);
    c.encryptBlock(out, tmp2);
}

void TDES::decryptBlock(uint8_t *out, uint8_t *in)
{
    uint8_t tmp[8], tmp2[8];
    c.decryptBlock(tmp, in);
    b.encryptBlock(tmp2, tmp);
    a.decryptBlock(out, tmp2);
}