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authorMike Buland <eichlan@xagasoft.com>2012-11-28 17:39:09 +0000
committerMike Buland <eichlan@xagasoft.com>2012-11-28 17:39:09 +0000
commit03e8c5ad314252cde58c53688c70b9f836a1d5b4 (patch)
tree6d26558aaae5e3758ca8b23c4086116e6d6b2636 /src/experimental/ciphermodecfb.h
parent223e2986ad7752d38ce24d1cbeff47db98df1ae3 (diff)
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More comments; moved the encryption system to unstable.
Diffstat (limited to 'src/experimental/ciphermodecfb.h')
-rw-r--r--src/experimental/ciphermodecfb.h53
1 files changed, 0 insertions, 53 deletions
diff --git a/src/experimental/ciphermodecfb.h b/src/experimental/ciphermodecfb.h
deleted file mode 100644
index 34c682f..0000000
--- a/src/experimental/ciphermodecfb.h
+++ /dev/null
@@ -1,53 +0,0 @@
1#ifndef BU_MODE_CFB_H
2#define BU_MODE_CFB_H
3
4#include "bu/filter.h"
5#include "bu/string.h"
6
7namespace Bu
8{
9 template<int iBlockSize, typename CipherType>
10 class CipherModeCfb : public CipherType
11 {
12 public:
13 CipherModeCfb(class Stream &rNext ) :
14 CipherType( rNext ),
15 bStart( true )
16 {
17 memset( aVector, 0, iBlockSize );
18 }
19
20 virtual ~CipherModeCfb()
21 {
22 }
23
24 void setIv( const Bu::String &sIv )
25 {
26 memcpy( aVector, sIv.getStr(), iBlockSize );
27 }
28
29 protected:
30 void decipher( void *pBuf )
31 {
32 uint8_t aTmp[iBlockSize];
33 memcpy( aTmp, pBuf, iBlockSize );
34 CipherType::encipher( aVector );
35 for( int j = 0; j < iBlockSize; j++ )
36 ((uint8_t *)pBuf)[j] ^= aVector[j];
37 memcpy( aVector, aTmp, iBlockSize );
38 }
39
40 void encipher( void *pBuf )
41 {
42 CipherType::encipher( aVector );
43 for( int j = 0; j < iBlockSize; j++ )
44 aVector[j] = ((uint8_t *)pBuf)[j] ^= aVector[j];
45 }
46
47 private:
48 bool bStart;
49 uint8_t aVector[iBlockSize];
50 };
51};
52
53#endif