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Diffstat (limited to 'include/base.h')
-rw-r--r-- | include/base.h | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/include/base.h b/include/base.h deleted file mode 100644 index b05feaacb..000000000 --- a/include/base.h +++ /dev/null @@ -1,146 +0,0 @@ -/************************************************* -* Base Classes Header File * -* (C) 1999-2007 Jack Lloyd * -*************************************************/ - -#ifndef BOTAN_BASE_H__ -#define BOTAN_BASE_H__ - -#include <botan/exceptn.h> -#include <botan/symkey.h> - -namespace Botan { - -/************************************************* -* Constants * -*************************************************/ -static const u32bit DEFAULT_BUFFERSIZE = BOTAN_DEFAULT_BUFFER_SIZE; - -/************************************************* -* Symmetric Algorithm * -*************************************************/ -class BOTAN_DLL SymmetricAlgorithm - { - public: - const u32bit MAXIMUM_KEYLENGTH, MINIMUM_KEYLENGTH, KEYLENGTH_MULTIPLE; - - virtual std::string name() const = 0; - - void set_key(const SymmetricKey&) throw(Invalid_Key_Length); - void set_key(const byte[], u32bit) throw(Invalid_Key_Length); - bool valid_keylength(u32bit) const; - SymmetricAlgorithm(u32bit, u32bit, u32bit); - virtual ~SymmetricAlgorithm() {} - private: - virtual void key(const byte[], u32bit) = 0; - }; - -/************************************************* -* Block Cipher * -*************************************************/ -class BOTAN_DLL BlockCipher : public SymmetricAlgorithm - { - public: - const u32bit BLOCK_SIZE; - - void encrypt(const byte in[], byte out[]) const { enc(in, out); } - void decrypt(const byte in[], byte out[]) const { dec(in, out); } - void encrypt(byte block[]) const { enc(block, block); } - void decrypt(byte block[]) const { dec(block, block); } - - virtual BlockCipher* clone() const = 0; - virtual void clear() throw() = 0; - - BlockCipher(u32bit, u32bit, u32bit = 0, u32bit = 1); - virtual ~BlockCipher() {} - private: - virtual void enc(const byte[], byte[]) const = 0; - virtual void dec(const byte[], byte[]) const = 0; - }; - -/************************************************* -* Stream Cipher * -*************************************************/ -class BOTAN_DLL StreamCipher : public SymmetricAlgorithm - { - public: - const u32bit IV_LENGTH; - void encrypt(const byte i[], byte o[], u32bit len) { cipher(i, o, len); } - void decrypt(const byte i[], byte o[], u32bit len) { cipher(i, o, len); } - void encrypt(byte in[], u32bit len) { cipher(in, in, len); } - void decrypt(byte in[], u32bit len) { cipher(in, in, len); } - - virtual void resync(const byte[], u32bit); - virtual void seek(u32bit); - - virtual StreamCipher* clone() const = 0; - virtual void clear() throw() = 0; - - StreamCipher(u32bit, u32bit = 0, u32bit = 1, u32bit = 0); - virtual ~StreamCipher() {} - private: - virtual void cipher(const byte[], byte[], u32bit) = 0; - }; - -/************************************************* -* Buffered Computation * -*************************************************/ -class BOTAN_DLL BufferedComputation - { - public: - const u32bit OUTPUT_LENGTH; - void update(const byte[], u32bit); - void update(const MemoryRegion<byte>&); - void update(const std::string&); - void update(byte); - void final(byte out[]) { final_result(out); } - SecureVector<byte> final(); - SecureVector<byte> process(const byte[], u32bit); - SecureVector<byte> process(const MemoryRegion<byte>&); - SecureVector<byte> process(const std::string&); - BufferedComputation(u32bit); - virtual ~BufferedComputation() {} - private: - BufferedComputation& operator=(const BufferedComputation&); - virtual void add_data(const byte[], u32bit) = 0; - virtual void final_result(byte[]) = 0; - }; - -/************************************************* -* Hash Function * -*************************************************/ -class BOTAN_DLL HashFunction : public BufferedComputation - { - public: - const u32bit HASH_BLOCK_SIZE; - - virtual HashFunction* clone() const = 0; - virtual std::string name() const = 0; - virtual void clear() throw() = 0; - - HashFunction(u32bit, u32bit = 0); - virtual ~HashFunction() {} - private: - HashFunction& operator=(const HashFunction&); - }; - -/************************************************* -* Message Authentication Code * -*************************************************/ -class BOTAN_DLL MessageAuthenticationCode : public BufferedComputation, - public SymmetricAlgorithm - { - public: - virtual bool verify_mac(const byte[], u32bit); - - virtual MessageAuthenticationCode* clone() const = 0; - virtual std::string name() const = 0; - virtual void clear() throw() = 0; - - MessageAuthenticationCode(u32bit, u32bit, u32bit = 0, u32bit = 1); - virtual ~MessageAuthenticationCode() {} - }; - -} - -#endif |