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51 lines
2.2 KiB
51 lines
2.2 KiB
10 years ago
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/**
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* Header file for the Lyra2 Password Hashing Scheme (PHS).
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*
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* Author: The Lyra PHC team (http://www.lyra-kdf.net/) -- 2014.
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*
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* This software is hereby placed in the public domain.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef LYRA2_H_
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#define LYRA2_H_
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#include <stdint.h>
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typedef unsigned char byte;
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//Block length required so Blake2's Initialization Vector (IV) is not overwritten (THIS SHOULD NOT BE MODIFIED)
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#define BLOCK_LEN_BLAKE2_SAFE_INT64 8 //512 bits (=64 bytes, =8 uint64_t)
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#define BLOCK_LEN_BLAKE2_SAFE_BYTES (BLOCK_LEN_BLAKE2_SAFE_INT64 * 8) //same as above, in bytes
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#ifdef BLOCK_LEN_BITS
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#define BLOCK_LEN_INT64 (BLOCK_LEN_BITS/64) //Block length: 768 bits (=96 bytes, =12 uint64_t)
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#define BLOCK_LEN_BYTES (BLOCK_LEN_BITS/8) //Block length, in bytes
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#else //default block lenght: 768 bits
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#define BLOCK_LEN_INT64 12 //Block length: 768 bits (=96 bytes, =12 uint64_t)
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#define BLOCK_LEN_BYTES (BLOCK_LEN_INT64 * 8) //Block length, in bytes
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#endif
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#ifndef N_COLS
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#define N_COLS 8 //Number of columns in the memory matrix: fixed to 64 by default
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#endif
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#define ROW_LEN_INT64 (BLOCK_LEN_INT64 * N_COLS) //Total length of a row: N_COLS blocks
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#define ROW_LEN_BYTES (ROW_LEN_INT64 * 8) //Number of bytes per row
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int LYRA2(void *K, uint64_t kLen, const void *pwd, uint64_t pwdlen, const void *salt, uint64_t saltlen, uint64_t timeCost, uint64_t nRows, uint64_t nCols);
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#endif /* LYRA2_H_ */
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