Fork of François Berder Crypto, fixed AES CBC and small rework
Dependents: AES_example shaun_larada Smartage
Fork of Crypto by
cipher/BlockCipher.h@15:6093fc19aad6, 2015-01-28 (annotated)
- Committer:
- Geremia
- Date:
- Wed Jan 28 17:15:32 2015 +0000
- Revision:
- 15:6093fc19aad6
- Parent:
- 8:a090264e9b2d
AES: bugfixed CBC, added PCBC, added public setIV(iv), moved keyExpansion() to public
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
feb11 | 8:a090264e9b2d | 1 | #ifndef BLOCK_CIPHER_H |
feb11 | 8:a090264e9b2d | 2 | #define BLOCK_CIPHER_H |
feb11 | 8:a090264e9b2d | 3 | |
feb11 | 8:a090264e9b2d | 4 | #include "Cipher.h" |
feb11 | 8:a090264e9b2d | 5 | |
feb11 | 8:a090264e9b2d | 6 | enum BLOCK_CIPHER_MODE |
feb11 | 8:a090264e9b2d | 7 | { |
feb11 | 8:a090264e9b2d | 8 | ECB_MODE, |
Geremia | 15:6093fc19aad6 | 9 | CBC_MODE, |
Geremia | 15:6093fc19aad6 | 10 | PCBC_MODE |
feb11 | 8:a090264e9b2d | 11 | }; |
feb11 | 8:a090264e9b2d | 12 | |
feb11 | 8:a090264e9b2d | 13 | class BlockCipher : public Cipher |
feb11 | 8:a090264e9b2d | 14 | { |
feb11 | 8:a090264e9b2d | 15 | public : |
feb11 | 8:a090264e9b2d | 16 | |
feb11 | 8:a090264e9b2d | 17 | BlockCipher(uint32_t bs, BLOCK_CIPHER_MODE m, uint8_t *iv = 0); |
feb11 | 8:a090264e9b2d | 18 | virtual ~BlockCipher(); |
feb11 | 8:a090264e9b2d | 19 | |
feb11 | 8:a090264e9b2d | 20 | virtual CIPHER_TYPE getType() const; |
feb11 | 8:a090264e9b2d | 21 | uint32_t getBlockSize() const; |
Geremia | 15:6093fc19aad6 | 22 | void setIV(uint8_t *iv); |
feb11 | 8:a090264e9b2d | 23 | |
feb11 | 8:a090264e9b2d | 24 | virtual void encrypt(uint8_t *out, uint8_t *in, uint32_t length); |
feb11 | 8:a090264e9b2d | 25 | virtual void decrypt(uint8_t *out, uint8_t *in, uint32_t length); |
feb11 | 8:a090264e9b2d | 26 | |
feb11 | 8:a090264e9b2d | 27 | protected : |
feb11 | 8:a090264e9b2d | 28 | |
feb11 | 8:a090264e9b2d | 29 | virtual void encryptBlock(uint8_t *out, uint8_t *in) = 0; |
feb11 | 8:a090264e9b2d | 30 | virtual void decryptBlock(uint8_t *out, uint8_t *in) = 0; |
feb11 | 8:a090264e9b2d | 31 | |
feb11 | 8:a090264e9b2d | 32 | private : |
feb11 | 8:a090264e9b2d | 33 | |
feb11 | 8:a090264e9b2d | 34 | uint32_t blockSize; |
feb11 | 8:a090264e9b2d | 35 | BLOCK_CIPHER_MODE mode; |
feb11 | 8:a090264e9b2d | 36 | uint8_t *IV; |
Geremia | 15:6093fc19aad6 | 37 | uint8_t *tmpIV; |
Geremia | 15:6093fc19aad6 | 38 | uint8_t *tmpdatain; |
Geremia | 15:6093fc19aad6 | 39 | uint8_t *tmpdata; |
feb11 | 8:a090264e9b2d | 40 | }; |
feb11 | 8:a090264e9b2d | 41 | |
feb11 | 8:a090264e9b2d | 42 | #endif |