encfs/cipher/MAC.h
Valient Gough a89752dfe7 reformat with clang-format -style=Google
git-svn-id: http://encfs.googlecode.com/svn/trunk@121 db9cf616-1c43-0410-9cb8-a902689de0d6
2013-10-19 22:35:26 +00:00

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908 B
C++

#ifndef ENCFS_MAC_H
#define ENCFS_MAC_H
#include <string>
#include "base/Registry.h"
#include "base/types.h"
#include "cipher/CipherKey.h"
namespace encfs {
static const char NAME_SHA1_HMAC[] = "SHA-1/HMAC";
// MAC provides keyed MessageAuthenticationCode algorithms, eg HMAC.
class MAC {
public:
DECLARE_REGISTERABLE_TYPE(MAC);
struct Properties {
int blockSize; // Block length of hash function.
std::string hashFunction;
std::string mode;
std::string library;
std::string toString() const { return hashFunction + "/" + mode; }
};
MAC();
virtual ~MAC();
virtual int outputSize() const = 0;
virtual bool setKey(const CipherKey &key) = 0;
// Init must be called before any calls to update.
virtual void init() = 0;
virtual bool update(const byte *in, int length) = 0;
virtual bool write(byte *out) = 0;
};
} // namespace encfs
#endif // ENCFS_MAC_H