diff options
Diffstat (limited to 'src/mac/x919_mac/x919_mac.cpp')
| -rw-r--r-- | src/mac/x919_mac/x919_mac.cpp | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/src/mac/x919_mac/x919_mac.cpp b/src/mac/x919_mac/x919_mac.cpp index 92ec7b7b8..5e03b2e6c 100644 --- a/src/mac/x919_mac/x919_mac.cpp +++ b/src/mac/x919_mac/x919_mac.cpp @@ -4,7 +4,6 @@ *************************************************/ #include <botan/x919_mac.h> -#include <botan/lookup.h> #include <botan/xor_buf.h> #include <algorithm> @@ -70,19 +69,33 @@ void ANSI_X919_MAC::clear() throw() position = 0; } +std::string ANSI_X919_MAC::name() const + { + return "X9.19-MAC"; + } + +MessageAuthenticationCode* ANSI_X919_MAC::clone() const + { + return new ANSI_X919_MAC(e->clone()); + } + /************************************************* * ANSI X9.19 MAC Constructor * *************************************************/ -ANSI_X919_MAC::ANSI_X919_MAC() : MessageAuthenticationCode(8, 8, 16, 8) +ANSI_X919_MAC::ANSI_X919_MAC(BlockCipher* e_in) : + MessageAuthenticationCode(e_in->BLOCK_SIZE, + e_in->MINIMUM_KEYLENGTH, + 2*e_in->MAXIMUM_KEYLENGTH, + 2*e_in->KEYLENGTH_MULTIPLE), + e(e_in), d(e->clone()), position(0) { - e = get_block_cipher("DES"); - d = get_block_cipher("DES"); - position = 0; + if(e->name() != "DES") + throw Invalid_Argument("ANSI X9.19 MAC only supports DES"); } /************************************************* * ANSI X9.19 MAC Destructor * -*************************************************/ +le*************************************************/ ANSI_X919_MAC::~ANSI_X919_MAC() { delete e; |