X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=test_src%2Fnessie_stream_test.c;fp=test_src%2Fnessie_stream_test.c;h=3866b218ed3b11508756d7b38231242be3dbd234;hb=2159c273c9d3361571a6ff1ab63d9bc76582fbab;hp=0000000000000000000000000000000000000000;hpb=4d76909e4282baf1420ee309e270384246b241b8;p=avr-crypto-lib.git

diff --git a/test_src/nessie_stream_test.c b/test_src/nessie_stream_test.c
new file mode 100644
index 0000000..3866b21
--- /dev/null
+++ b/test_src/nessie_stream_test.c
@@ -0,0 +1,192 @@
+/* nessie_stream_test.c */
+/*
+    This file is part of the Crypto-avr-lib/microcrypt-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 "uart.h"
+
+nessie_stream_ctx_t nessie_stream_ctx;
+
+
+#define BLOCKSIZE_B 64
+
+static
+void memxor(void* dest, void* src, uint8_t length){
+	while(length--){
+		*((uint8_t*)dest) ^= *((uint8_t*)src);
+		dest = (uint8_t*)dest +1;
+		src  = (uint8_t*)src +1;
+	}
+}
+
+
+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_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_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();
+}