Diff: cipher/TDES.cpp

Revision:

8:a090264e9b2d

diff -r 2dbbdfb08123 -r a090264e9b2d cipher/TDES.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cipher/TDES.cpp	Sat Sep 14 20:54:59 2013 +0000
@@ -0,0 +1,35 @@
+#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);
+}