Francois Berder / Crypto

This library implements some hash and cryptographic algorithms.

Dependents:   mBuinoBlinky PB_Emma_Ethernet SLOTrashHTTP Garagem ... more

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Show/hide line numbers TDES.cpp Source File

TDES.cpp

00001 #include "TDES.h"
00002 
00003 TDES::TDES(uint8_t *key1, uint8_t *key2, uint8_t *key3):
00004 BlockCipher(8,ECB_MODE),
00005 a(key1),
00006 b(key2),
00007 c(key3)
00008 {
00009 
00010 }
00011 
00012 TDES::TDES(uint8_t *key1, uint8_t *key2, uint8_t *key3, uint8_t *iv):
00013 BlockCipher(8,CBC_MODE,iv),
00014 a(key1),
00015 b(key2),
00016 c(key3)
00017 {
00018 
00019 }
00020 
00021 void TDES::encryptBlock(uint8_t *out, uint8_t *in)
00022 {
00023     uint8_t tmp[8], tmp2[8];
00024     a.encryptBlock(tmp,in);
00025     b.decryptBlock(tmp2,tmp);
00026     c.encryptBlock(out, tmp2);
00027 }
00028 
00029 void TDES::decryptBlock(uint8_t *out, uint8_t *in)
00030 {
00031     uint8_t tmp[8], tmp2[8];
00032     c.decryptBlock(tmp, in);
00033     b.encryptBlock(tmp2, tmp);
00034     a.decryptBlock(out, tmp2);
00035 }
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