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108 lines
3.7 KiB
108 lines
3.7 KiB
/** |
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* Header file for Blake2b's internal permutation in the form of a sponge. |
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* This code is based on the original Blake2b's implementation provided by |
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* Samuel Neves (https://blake2.net/) |
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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 SPONGE_H_ |
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#define SPONGE_H_ |
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#include <stdint.h> |
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#if defined(__GNUC__) |
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#define ALIGN __attribute__ ((aligned(32))) |
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#elif defined(_MSC_VER) |
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#define ALIGN __declspec(align(32)) |
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#else |
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#define ALIGN |
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#endif |
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/*Blake2b IV Array*/ |
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static const uint64_t blake2b_IV[8] = |
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{ |
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0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL, |
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0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL, |
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0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL, |
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0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL |
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}; |
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/*Blake2b's rotation*/ |
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static inline uint64_t rotr64( const uint64_t w, const unsigned c ){ |
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return ( w >> c ) | ( w << ( 64 - c ) ); |
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} |
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/*Blake2b's G function*/ |
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#define G(r,i,a,b,c,d) \ |
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do { \ |
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a = a + b; \ |
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d = rotr64(d ^ a, 32); \ |
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c = c + d; \ |
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b = rotr64(b ^ c, 24); \ |
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a = a + b; \ |
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d = rotr64(d ^ a, 16); \ |
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c = c + d; \ |
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b = rotr64(b ^ c, 63); \ |
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} while(0) |
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/*One Round of the Blake2b's compression function*/ |
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#define ROUND_LYRA(r) \ |
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G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \ |
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G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \ |
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G(r,2,v[ 2],v[ 6],v[10],v[14]); \ |
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G(r,3,v[ 3],v[ 7],v[11],v[15]); \ |
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G(r,4,v[ 0],v[ 5],v[10],v[15]); \ |
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G(r,5,v[ 1],v[ 6],v[11],v[12]); \ |
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G(r,6,v[ 2],v[ 7],v[ 8],v[13]); \ |
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G(r,7,v[ 3],v[ 4],v[ 9],v[14]); |
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//---- Housekeeping |
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void initState(uint64_t state[/*16*/]); |
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//---- Squeezes |
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void squeeze(uint64_t *state, unsigned char *out, unsigned int len); |
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void reducedSqueezeRow0(uint64_t* state, uint64_t* row); |
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//---- Absorbs |
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void absorbBlock(uint64_t *state, const uint64_t *in); |
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void absorbBlockBlake2Safe(uint64_t *state, const uint64_t *in); |
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//---- Duplexes |
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void reducedDuplexRow1(uint64_t *state, uint64_t *rowIn, uint64_t *rowOut); |
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void reducedDuplexRowSetup(uint64_t *state, uint64_t *rowIn, uint64_t *rowInOut, uint64_t *rowOut); |
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void reducedDuplexRow(uint64_t *state, uint64_t *rowIn, uint64_t *rowInOut, uint64_t *rowOut); |
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//---- Misc |
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void printArray(unsigned char *array, unsigned int size, char *name); |
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//////////////////////////////////////////////////////////////////////////////////////////////// |
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////TESTS//// |
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//void reducedDuplexRowc(uint64_t *state, uint64_t *rowIn, uint64_t *rowInOut, uint64_t *rowOut); |
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//void reducedDuplexRowd(uint64_t *state, uint64_t *rowIn, uint64_t *rowInOut, uint64_t *rowOut); |
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//void reducedDuplexRowSetupv4(uint64_t *state, uint64_t *rowIn1, uint64_t *rowIn2, uint64_t *rowOut1, uint64_t *rowOut2); |
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//void reducedDuplexRowSetupv5(uint64_t *state, uint64_t *rowIn, uint64_t *rowInOut, uint64_t *rowOut); |
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//void reducedDuplexRowSetupv5c(uint64_t *state, uint64_t *rowIn, uint64_t *rowInOut, uint64_t *rowOut); |
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//void reducedDuplexRowSetupv5d(uint64_t *state, uint64_t *rowIn, uint64_t *rowInOut, uint64_t *rowOut); |
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///////////// |
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#endif /* SPONGE_H_ */
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