diff options
Diffstat (limited to 'src/mac')
-rw-r--r-- | src/mac/ssl3mac/ssl3_mac.cpp | 16 | ||||
-rw-r--r-- | src/mac/ssl3mac/ssl3_mac.h | 4 | ||||
-rw-r--r-- | src/mac/x919_mac/x919_mac.cpp | 25 | ||||
-rw-r--r-- | src/mac/x919_mac/x919_mac.h | 8 |
4 files changed, 35 insertions, 18 deletions
diff --git a/src/mac/ssl3mac/ssl3_mac.cpp b/src/mac/ssl3mac/ssl3_mac.cpp index ceb04bf44..d2aec7825 100644 --- a/src/mac/ssl3mac/ssl3_mac.cpp +++ b/src/mac/ssl3mac/ssl3_mac.cpp @@ -4,7 +4,6 @@ *************************************************/ #include <botan/ssl3_mac.h> -#include <botan/lookup.h> namespace Botan { @@ -65,21 +64,22 @@ std::string SSL3_MAC::name() const *************************************************/ MessageAuthenticationCode* SSL3_MAC::clone() const { - return new SSL3_MAC(hash->name()); + return new SSL3_MAC(hash->clone()); } /************************************************* * SSL3-MAC Constructor * *************************************************/ -SSL3_MAC::SSL3_MAC(const std::string& hash_name) : - MessageAuthenticationCode(output_length_of(hash_name), - output_length_of(hash_name)), - hash(get_hash(hash_name)) +SSL3_MAC::SSL3_MAC(HashFunction* hash_in) : + MessageAuthenticationCode(hash_in->OUTPUT_LENGTH, + hash_in->OUTPUT_LENGTH), + hash(hash_in) { - if(hash->name() != "MD5" && hash->name() != "SHA-160") + if(hash->HASH_BLOCK_SIZE == 0) throw Invalid_Argument("SSL3-MAC cannot be used with " + hash->name()); - const u32bit INNER_HASH_LENGTH = (hash->name() == "MD5") ? 64 : 60; + u32bit INNER_HASH_LENGTH = + (hash->name() == "SHA-160") ? 60 : hash->HASH_BLOCK_SIZE; i_key.create(INNER_HASH_LENGTH); o_key.create(INNER_HASH_LENGTH); diff --git a/src/mac/ssl3mac/ssl3_mac.h b/src/mac/ssl3mac/ssl3_mac.h index 8ab08c97d..9b4be4e2f 100644 --- a/src/mac/ssl3mac/ssl3_mac.h +++ b/src/mac/ssl3mac/ssl3_mac.h @@ -19,12 +19,14 @@ class SSL3_MAC : public MessageAuthenticationCode void clear() throw(); std::string name() const; MessageAuthenticationCode* clone() const; - SSL3_MAC(const std::string&); + + SSL3_MAC(HashFunction*); ~SSL3_MAC() { delete hash; } private: void add_data(const byte[], u32bit); void final_result(byte[]); void key(const byte[], u32bit); + HashFunction* hash; SecureVector<byte> i_key, o_key; }; 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; diff --git a/src/mac/x919_mac/x919_mac.h b/src/mac/x919_mac/x919_mac.h index bedb2cf58..4909e554a 100644 --- a/src/mac/x919_mac/x919_mac.h +++ b/src/mac/x919_mac/x919_mac.h @@ -17,14 +17,16 @@ class BOTAN_DLL ANSI_X919_MAC : public MessageAuthenticationCode { public: void clear() throw(); - std::string name() const { return "X9.19-MAC"; } - MessageAuthenticationCode* clone() const { return new ANSI_X919_MAC; } - ANSI_X919_MAC(); + std::string name() const; + MessageAuthenticationCode* clone() const; + + ANSI_X919_MAC(BlockCipher*); ~ANSI_X919_MAC(); private: void add_data(const byte[], u32bit); void final_result(byte[]); void key(const byte[], u32bit); + BlockCipher* e; BlockCipher* d; SecureBuffer<byte, 8> state; |