| 41 | } |
| 42 | |
| 43 | void CMAC_Base::UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms) |
| 44 | { |
| 45 | BlockCipher &cipher = AccessCipher(); |
| 46 | unsigned int blockSize = cipher.BlockSize(); |
| 47 | |
| 48 | cipher.SetKey(key, length, params); |
| 49 | m_reg.CleanNew(3*blockSize); |
| 50 | m_counter = 0; |
| 51 | |
| 52 | cipher.ProcessBlock(m_reg, m_reg+blockSize); |
| 53 | MulU(m_reg+blockSize, blockSize); |
| 54 | memcpy(m_reg+2*blockSize, m_reg+blockSize, blockSize); |
| 55 | MulU(m_reg+2*blockSize, blockSize); |
| 56 | } |
| 57 | |
| 58 | void CMAC_Base::Update(const byte *input, size_t length) |
| 59 | { |