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author | Mike Buland <eichlan@xagasoft.com> | 2012-11-28 17:39:09 +0000 |
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committer | Mike Buland <eichlan@xagasoft.com> | 2012-11-28 17:39:09 +0000 |
commit | 03e8c5ad314252cde58c53688c70b9f836a1d5b4 (patch) | |
tree | 6d26558aaae5e3758ca8b23c4086116e6d6b2636 /src/experimental/ciphermodecfb.h | |
parent | 223e2986ad7752d38ce24d1cbeff47db98df1ae3 (diff) | |
download | libbu++-03e8c5ad314252cde58c53688c70b9f836a1d5b4.tar.gz libbu++-03e8c5ad314252cde58c53688c70b9f836a1d5b4.tar.bz2 libbu++-03e8c5ad314252cde58c53688c70b9f836a1d5b4.tar.xz libbu++-03e8c5ad314252cde58c53688c70b9f836a1d5b4.zip |
More comments; moved the encryption system to unstable.
Diffstat (limited to 'src/experimental/ciphermodecfb.h')
-rw-r--r-- | src/experimental/ciphermodecfb.h | 53 |
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 | |||
7 | namespace 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 | ||