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i2p.i2p/apps/enclave/src/sha1.hpp
2004-06-23 11:56:53 +00:00

57 lines
2.2 KiB
C++

/*
* Copyright (c) 2004, Matthew P. Cashdollar <mpc@innographx.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the author nor the names of any contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SHA1_HPP
#define SHA1_HPP
class Sha1 {
public:
static const size_t SHA1BIN_LEN = 20;
Sha1(void);
Sha1(const string& data);
Sha1(const uchar_t binary[SHA1BIN_LEN]);
const string& b64hash(void) const { return b64hashed; }
const uchar_t* binhash(void) const { return binhashed; }
bool operator<(const Sha1& rhs) const;
Sha1& operator=(const Sha1& rhs);
bool operator==(const Sha1& rhs) const;
void x_or(const Sha1& rhs, Bigint& result) const;
private:
void b64(void);
string b64hashed; // base 64 of the hash
uchar_t binhashed[SHA1BIN_LEN]; // non-NUL terminated binary hash
};
#endif // SHA1_HPP