--- a/kerneltest/e32utils/nistsecurerng/src/matrix.cpp Tue Aug 31 16:34:26 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,189 +0,0 @@
-/*
-* Portions Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:
-* The original NIST Statistical Test Suite code is placed in public domain.
-* (http://csrc.nist.gov/groups/ST/toolkit/rng/documentation_software.html)
-*
-* This software was developed at the National Institute of Standards and Technology by
-* employees of the Federal Government in the course of their official duties. Pursuant
-* to title 17 Section 105 of the United States Code this software is not subject to
-* copyright protection and is in the public domain. The NIST Statistical Test Suite is
-* an experimental system. NIST assumes no responsibility whatsoever for its use by other
-* parties, and makes no guarantees, expressed or implied, about its quality, reliability,
-* or any other characteristic. We would appreciate acknowledgment if the software is used.
-*/
-
-#include "openc.h"
-#include "../include/externs.h"
-#include "../include/matrix.h"
-
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-R A N K A L G O R I T H M R O U T I N E S
-* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-#define MATRIX_FORWARD_ELIMINATION 0
-#define MATRIX_BACKWARD_ELIMINATION 1
-
-int
-computeRank(int M, int Q, BitSequence **matrix)
-{
- int i, rank, m=MIN(M,Q);
-
- /* FORWARD APPLICATION OF ELEMENTARY ROW OPERATIONS */
- for ( i=0; i<m-1; i++ ) {
- if ( matrix[i][i] == 1 )
- perform_elementary_row_operations(MATRIX_FORWARD_ELIMINATION, i, M, Q, matrix);
- else { /* matrix[i][i] = 0 */
- if ( find_unit_element_and_swap(MATRIX_FORWARD_ELIMINATION, i, M, Q, matrix) == 1 )
- perform_elementary_row_operations(MATRIX_FORWARD_ELIMINATION, i, M, Q, matrix);
- }
- }
-
- /* BACKWARD APPLICATION OF ELEMENTARY ROW OPERATIONS */
- for ( i=m-1; i>0; i-- ) {
- if ( matrix[i][i] == 1 )
- perform_elementary_row_operations(MATRIX_BACKWARD_ELIMINATION, i, M, Q, matrix);
- else { /* matrix[i][i] = 0 */
- if ( find_unit_element_and_swap(MATRIX_BACKWARD_ELIMINATION, i, M, Q, matrix) == 1 )
- perform_elementary_row_operations(MATRIX_BACKWARD_ELIMINATION, i, M, Q, matrix);
- }
- }
-
- rank = determine_rank(m, M, Q, matrix);
-
- return rank;
-}
-
-void
-perform_elementary_row_operations(int flag, int i, int M, int Q, BitSequence **A)
-{
- int j, k;
-
- if ( flag == MATRIX_FORWARD_ELIMINATION ) {
- for ( j=i+1; j<M; j++ )
- if ( A[j][i] == 1 )
- for ( k=i; k<Q; k++ )
- A[j][k] = (BitSequence)((A[j][k] + A[i][k]) % 2);
- }
- else {
- for ( j=i-1; j>=0; j-- )
- if ( A[j][i] == 1 )
- for ( k=0; k<Q; k++ )
- A[j][k] = (BitSequence)((A[j][k] + A[i][k]) % 2);
- }
-}
-
-int
-find_unit_element_and_swap(int flag, int i, int M, int Q, BitSequence **A)
-{
- int index, row_op=0;
-
- if ( flag == MATRIX_FORWARD_ELIMINATION ) {
- index = i+1;
- while ( (index < M) && (A[index][i] == 0) )
- index++;
- if ( index < M )
- row_op = swap_rows(i, index, Q, A);
- }
- else {
- index = i-1;
- while ( (index >= 0) && (A[index][i] == 0) )
- index--;
- if ( index >= 0 )
- row_op = swap_rows(i, index, Q, A);
- }
-
- return row_op;
-}
-
-int
-swap_rows(int i, int index, int Q, BitSequence **A)
-{
- int p;
- BitSequence temp;
-
- for ( p=0; p<Q; p++ ) {
- temp = A[i][p];
- A[i][p] = A[index][p];
- A[index][p] = temp;
- }
-
- return 1;
-}
-
-int
-determine_rank(int m, int M, int Q, BitSequence **A)
-{
- int i, j, rank, allZeroes;
-
- /* DETERMINE RANK, THAT IS, COUNT THE NUMBER OF NONZERO ROWS */
-
- rank = m;
- for ( i=0; i<M; i++ ) {
- allZeroes = 1;
- for ( j=0; j<Q; j++) {
- if ( A[i][j] == 1 ) {
- allZeroes = 0;
- break;
- }
- }
- if ( allZeroes == 1 )
- rank--;
- }
-
- return rank;
-}
-
-BitSequence**
-create_matrix(int M, int Q)
-{
- int i;
- BitSequence **matrix;
-
- if ( (matrix = (BitSequence **) calloc(M, sizeof(BitSequence *))) == NULL ) {
- printf("ERROR IN FUNCTION create_matrix: Insufficient memory available.\n");
-
- return NULL;
- }
- else {
- for ( i=0; i<M; i++ ) {
- if ( (matrix[i] = (unsigned char*)calloc(Q, sizeof(BitSequence))) == NULL ) {
- printf("ERROR IN FUNCTION create_matrix: Insufficient memory for %dx%d matrix.\n", M, M);
-
- return NULL;
- }
- }
- return matrix;
- }
-}
-
-void
-def_matrix(int M, int Q, BitSequence **m,int k)
-{
- int i,j;
-
- for ( i=0; i<M; i++ )
- for ( j=0; j<Q; j++ )
- m[i][j] = epsilon[k*(M*Q)+j+i*M];
-}
-
-void
-delete_matrix(int M, BitSequence **matrix)
-{
- int i;
-
- for ( i=0; i<M; i++ )
- free(matrix[i]);
- free(matrix);
-}