+/* nessie_stream_test.c */
+/*
+ This file is part of the ARM-Crypto-Lib.
+ Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ *
+ * author: Daniel Otte
+ * email: daniel.otte@rub.de
+ * license: GPLv3
+ *
+ * a suit for running the nessie-tests for streamciphers
+ *
+ * */
+#include <stdint.h>
+#include <string.h>
+#include "nessie_stream_test.h"
+#include "nessie_common.h"
+#include "memxor.h"
+
+nessie_stream_ctx_t nessie_stream_ctx;
+
+
+#define BLOCKSIZE_B 64
+
+
+static
+void nessie_gen_block(void* ctx, uint8_t* block){
+ uint16_t i;
+ for(i=0; i<BLOCKSIZE_B; ++i){
+ block[i] = nessie_stream_ctx.cipher_enc(ctx);
+ }
+}
+
+static
+void nessie_stream_enc(uint8_t* key){
+ uint8_t ctx[nessie_stream_ctx.ctx_size_B];
+ uint8_t buffer[BLOCKSIZE_B];
+ uint8_t xorbuffer[BLOCKSIZE_B];
+ uint8_t i;
+
+ memset(xorbuffer, 0, BLOCKSIZE_B);
+
+ nessie_print_item("key", key, (nessie_stream_ctx.keysize_b+7)/8);
+
+ nessie_stream_ctx.cipher_genctx(key, nessie_stream_ctx.keysize_b, ctx);
+
+ nessie_gen_block(ctx, buffer);
+ memxor(xorbuffer, buffer, BLOCKSIZE_B);
+ nessie_print_item("stream[0..63]", buffer, BLOCKSIZE_B);
+
+ for(i=0; i<((192-0)/BLOCKSIZE_B-1); ++i){
+ nessie_gen_block(ctx, buffer);
+ memxor(xorbuffer, buffer, BLOCKSIZE_B);
+ }
+
+ nessie_gen_block(ctx, buffer);
+ memxor(xorbuffer, buffer, BLOCKSIZE_B);
+ nessie_print_item("stream[192..255]", buffer, BLOCKSIZE_B);
+
+ nessie_gen_block(ctx, buffer);
+ memxor(xorbuffer, buffer, BLOCKSIZE_B);
+ nessie_print_item("stream[256..319]", buffer, BLOCKSIZE_B);
+
+ for(i=0; i<((448-256)/BLOCKSIZE_B-1); ++i){
+ nessie_gen_block(ctx, buffer);
+ memxor(xorbuffer, buffer, BLOCKSIZE_B);
+ }
+
+ nessie_gen_block(ctx, buffer);
+ memxor(xorbuffer, buffer, BLOCKSIZE_B);
+ nessie_print_item("stream[448..511]", buffer, BLOCKSIZE_B);
+
+ nessie_print_item("stream[0..511]xored", xorbuffer, BLOCKSIZE_B);
+
+}
+
+
+static
+void nessie_stream_enc_large(uint8_t* key){
+ uint8_t ctx[nessie_stream_ctx.ctx_size_B];
+ uint8_t buffer[BLOCKSIZE_B];
+ uint8_t xorbuffer[BLOCKSIZE_B];
+ uint32_t i;
+
+ memset(xorbuffer, 0, BLOCKSIZE_B);
+
+ nessie_print_item("key", key, (nessie_stream_ctx.keysize_b+7)/8);
+
+ nessie_stream_ctx.cipher_genctx(key, nessie_stream_ctx.keysize_b, ctx);
+
+ nessie_gen_block(ctx, buffer);
+ memxor(xorbuffer, buffer, BLOCKSIZE_B);
+ nessie_print_item("stream[0..63]", buffer, BLOCKSIZE_B);
+
+ for(i=0; i<((65472-0)/BLOCKSIZE_B-1); ++i){
+ nessie_gen_block(ctx, buffer);
+ memxor(xorbuffer, buffer, BLOCKSIZE_B);
+ NESSIE_SEND_ALIVE_A(i);
+ }
+
+ nessie_gen_block(ctx, buffer);
+ memxor(xorbuffer, buffer, BLOCKSIZE_B);
+ nessie_print_item("stream[65472..65535]", buffer, BLOCKSIZE_B);
+
+ nessie_gen_block(ctx, buffer);
+ memxor(xorbuffer, buffer, BLOCKSIZE_B);
+ nessie_print_item("stream[65536..65599]", buffer, BLOCKSIZE_B);
+
+ for(i=0; i<((131008-65536)/BLOCKSIZE_B-1); ++i){
+ nessie_gen_block(ctx, buffer);
+ memxor(xorbuffer, buffer, BLOCKSIZE_B);
+ NESSIE_SEND_ALIVE_A(i);
+ }
+
+ nessie_gen_block(ctx, buffer);
+ memxor(xorbuffer, buffer, BLOCKSIZE_B);
+ nessie_print_item("stream[131008..131071]", buffer, BLOCKSIZE_B);
+
+ nessie_print_item("stream[0..131071]xored", xorbuffer, BLOCKSIZE_B);
+
+}
+
+void nessie_stream_run(void){
+ uint16_t i;
+ uint8_t set;
+ uint8_t key[(nessie_stream_ctx.keysize_b+7)/8];
+
+ nessie_print_header(nessie_stream_ctx.name, nessie_stream_ctx.keysize_b,
+ 0, 0, 0, nessie_stream_ctx.ivsize_b);
+ /* test set 1 */
+ set=1;
+ nessie_print_setheader(set);
+ for(i=0; i<nessie_stream_ctx.keysize_b; ++i){
+ nessie_print_set_vector(set, i);
+ memset(key, 0, (nessie_stream_ctx.keysize_b+7)/8);
+ key[i/8] |= 0x80>>(i%8);
+ nessie_stream_enc(key);
+ }
+ /* test set 2 */
+ set=2;
+ nessie_print_setheader(set);
+ for(i=0; i<256; ++i){
+ nessie_print_set_vector(set, i);
+ memset(key, i, (nessie_stream_ctx.keysize_b+7)/8);
+ nessie_stream_enc(key);
+ }
+ /* test set 3 */
+ set=3;
+ nessie_print_setheader(set);
+ for(i=0; i<256; ++i){
+ uint8_t j;
+ nessie_print_set_vector(set, i);
+ for(j=0; j<(nessie_stream_ctx.keysize_b+7)/8; ++j){
+ key[j]=(i+j)&0xff;
+ }
+ nessie_stream_enc(key);
+ }
+ /* test set 4 */
+ set=4;
+ nessie_print_setheader(set);
+ for(i=0; i<4; ++i){
+ uint8_t j;
+ nessie_print_set_vector(set, i);
+ for(j=0; j<(nessie_stream_ctx.keysize_b+7)/8; ++j){
+ key[j]=(i*5+j*0x53)&0xff;
+ }
+ nessie_stream_enc_large(key);
+ }
+
+ nessie_print_footer();
+}
projects / arm-crypto-lib.git / blobdiff