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59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/**
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*
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* <niederreiter.h>
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*
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* @version 2.0 (March 2019)
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*
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* Reference ISO-C11 Implementation of the LEDAcrypt KEM-LT cipher using GCC built-ins.
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*
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* In alphabetical order:
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*
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* @author Marco Baldi <m.baldi@univpm.it>
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* @author Alessandro Barenghi <alessandro.barenghi@polimi.it>
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* @author Franco Chiaraluce <f.chiaraluce@univpm.it>
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* @author Gerardo Pelosi <gerardo.pelosi@polimi.it>
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* @author Paolo Santini <p.santini@pm.univpm.it>
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*
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* This code 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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**/
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#pragma once
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#include "qc_ldpc_parameters.h"
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#include "gf2x_limbs.h"
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#include "gf2x_arith_mod_xPplusOne.h"
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/*----------------------------------------------------------------------------*/
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#pragma pack(1)
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typedef struct {
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/* raw entropy extracted from TRNG, will be deterministically expanded into
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* H and Q during decryption */
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unsigned char prng_seed[TRNG_BYTE_LENGTH];
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int8_t rejections;
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} privateKeyNiederreiter_t;
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typedef struct {
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DIGIT Mtr[(N0 - 1)*NUM_DIGITS_GF2X_ELEMENT];
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// Dense representation of the matrix M=Ln0*L,
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// An array including a sequence of (N0-1) gf2x elements;
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// each gf2x element is stored as a binary polynomial(mod x^P+1)
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// with P coefficients.
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} publicKeyNiederreiter_t;
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#pragma pack()
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/*----------------------------------------------------------------------------*/
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