lilliput-ae-reference-implementation

commit 8ebfbf8d7dae9fff9dec033f3712c437ffd828a9
parent 31cb973c38c9d52142892081d579dde52f39ff63
Author: Kévin Le Gouguec <kevin.legouguec@airbus.com>
Date:   Tue, 18 Dec 2018 13:54:20 +0100

Ajout d'un générateur de vecteurs pour FELICS

(Plus précisément, la variante Airbus qui gère les AEAD)

Diffstat:
A
test/felics/Makefile
 | 
16
++++++++++++++++
A
test/felics/make-vector.c
 | 
62
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A
test/felics/make-vectors.sh
 | 
9
+++++++++

3 files changed, 87 insertions(+), 0 deletions(-)
diff --git a/test/felics/Makefile b/test/felics/Makefile
@@ -0,0 +1,16 @@
+all: vector
+
+include ../common.mk
+
+
+vector: $(results_dir)/felics-make-vector | $(results_dir)
+	$(results_dir)/felics-make-vector 16 16
+
+
+$(results_dir)/felics-make-vector: $(results_dir)/felics-make-vector.o \
+$(results_dir)/src/lilliput-ae-$(mode).o $(results_dir)/src/cipher.o   \
+$(results_dir)/src/tweakey.o | $(results_dir)
+
+$(results_dir)/felics-make-vector.o: $(test_dir)/felics/make-vector.c | $(results_dir)
+	@ echo "CC $@"
+	$(Q) gcc -c $< $(CFLAGS) -o $@
diff --git a/test/felics/make-vector.c b/test/felics/make-vector.c
@@ -0,0 +1,62 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+
+#include "lilliput-ae.h"
+
+
+void parse_arguments(char const* const* argv, size_t* plaintext_len, size_t* auth_len)
+{
+    sscanf(argv[1], "%zu", plaintext_len);
+    sscanf(argv[2], "%zu", auth_len);
+}
+
+void init_buffer(size_t len, uint8_t buf[len])
+{
+    for (size_t i=0; i<len; i++)
+        buf[i] = i;
+}
+
+void dump_buffer(const char* header, size_t len, const uint8_t buf[len])
+{
+    printf("%s = { ", header);
+    for (const uint8_t* b=buf; b<buf+len-1; b++)
+        printf("0x%02x, ", *b);
+    printf("0x%02x };\n", buf[len-1]);
+}
+
+int main(int argc, char const* const* argv)
+{
+    if (argc != 3)
+    {
+        fprintf(stderr, "usage: %s PLAINTEXT-LEN AUTHDATA-LEN\n", argv[0]);
+        return 1;
+    }
+
+    size_t plaintext_len;
+    size_t auth_len;
+    parse_arguments(argv, &plaintext_len, &auth_len);
+
+    uint8_t plaintext[plaintext_len];
+    uint8_t auth[auth_len];
+    uint8_t key[KEY_BYTES];
+    uint8_t nonce[NONCE_BYTES];
+
+    memset(nonce, 0, NONCE_BYTES);
+    init_buffer(plaintext_len, plaintext);
+    init_buffer(auth_len, auth);
+    init_buffer(KEY_BYTES, key);
+
+    uint8_t ciphertext[plaintext_len+TAG_BYTES];
+
+    lilliput_ae_encrypt(
+        plaintext_len, plaintext, auth_len, auth,
+        key, nonce, ciphertext, ciphertext+plaintext_len
+    );
+
+    dump_buffer("const uint8_t expectedPlaintext[MAXTEST_BYTES_M]", plaintext_len, plaintext);
+    dump_buffer("const uint8_t expectedAssociated[MAXTEST_BYTES_AD]", auth_len, auth);
+    dump_buffer("const uint8_t expectedKey[KEY_SIZE]", KEY_BYTES, key);
+    dump_buffer("const uint8_t expectedCiphertext[MAXTEST_BYTES_M+CRYPTO_ABYTES]", plaintext_len+TAG_BYTES, ciphertext);
+}
diff --git a/test/felics/make-vectors.sh b/test/felics/make-vectors.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+for mode in i ii
+do
+    for keylen in 128 192 256
+    do
+        make vector mode=${mode} keylen=${keylen}
+    done
+done