From 8d46de55be9fce55b297915e7086f77ceaab6f19 Mon Sep 17 00:00:00 2001
From: Kévin Le Gouguec <kevin.legouguec@airbus.com>
Date: Wed, 21 Nov 2018 16:34:25 +0100
Subject: Ajout de traces pour cipher.c (début)
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Implémentation de test-cipher.c en passant.
---
 crypto_aead/lilliputaei128v1/ref/cipher.c          | 10 ++++++
 crypto_aead/lilliputaei128v1/ref/debug.h           | 19 +++++++++++
 crypto_aead/lilliputaei128v1/ref/test/helpers.h    | 10 ------
 .../ref/test/test-cipher-ref/cipher_order.txt      | 12 +++----
 .../ref/test/test-cipher-ref/cipher_random.txt     | 12 +++----
 .../lilliputaei128v1/ref/test/test-cipher.c        | 37 ++++++++++++++++++++--
 .../lilliputaei128v1/ref/test/test-tweakey.c       | 10 +++++-
 7 files changed, 85 insertions(+), 25 deletions(-)

(limited to 'crypto_aead/lilliputaei128v1')

diff --git a/crypto_aead/lilliputaei128v1/ref/cipher.c b/crypto_aead/lilliputaei128v1/ref/cipher.c
index dba7e90..31f7f02 100644
--- a/crypto_aead/lilliputaei128v1/ref/cipher.c
+++ b/crypto_aead/lilliputaei128v1/ref/cipher.c
@@ -7,6 +7,8 @@
 #include "parameters.h"
 #include "tweakey.h"
 
+#include "debug.h"
+
 
 enum permutation
 {
@@ -96,6 +98,11 @@ void lilliput_tbc_encrypt(
     FILE *debug
 )
 {
+    debug_dump_lanes(debug, "Tweak :", TWEAK_BYTES, tweak, 0);
+    debug_dump_lanes(debug, "Key :", KEY_BYTES, key, 0);
+    debug_dump_buffer(debug, "Message :", BLOCK_BYTES, message, 0);
+    fprintf(debug, "\n");
+
     cipher_state X;
     _state_init(&X, message, debug);
 
@@ -110,6 +117,9 @@ void lilliput_tbc_encrypt(
     _one_round_egfn(&X, RTK[ROUNDS-1], PERMUTATION_NONE);
 
     memcpy(ciphertext, X.X, BLOCK_BYTES);
+
+    debug_dump_buffer(debug, "Ciphertext :", BLOCK_BYTES, ciphertext, 0);
+
 }
 
 void lilliput_tbc_decrypt(
diff --git a/crypto_aead/lilliputaei128v1/ref/debug.h b/crypto_aead/lilliputaei128v1/ref/debug.h
index e107019..934a287 100644
--- a/crypto_aead/lilliputaei128v1/ref/debug.h
+++ b/crypto_aead/lilliputaei128v1/ref/debug.h
@@ -26,3 +26,22 @@ static inline void debug_dump_lanes(FILE *output, const char *header, size_t len
     }
     fprintf(output, "\n");
 }
+
+static inline void debug_dump_buffer(FILE *output, const char *header, size_t len, const uint8_t buf[len], int indent)
+{
+    if (!output)
+    {
+        return;
+    }
+
+    fprintf(output, "%s\n", header);
+
+    fprintf(output, "%*s", indent, "");
+    for (size_t b=0; b<len; b++)
+    {
+        /* start with MSB */
+        size_t byte_index = len-1-b;
+        fprintf(output, "%*s%02x", 5, "", buf[byte_index]);
+    }
+    fprintf(output, "\n");
+}
diff --git a/crypto_aead/lilliputaei128v1/ref/test/helpers.h b/crypto_aead/lilliputaei128v1/ref/test/helpers.h
index 876cbcd..96e5184 100644
--- a/crypto_aead/lilliputaei128v1/ref/test/helpers.h
+++ b/crypto_aead/lilliputaei128v1/ref/test/helpers.h
@@ -10,16 +10,6 @@
 #define ARRAY_END(A) (A+ARRAY_NB(A))
 
 
-struct vector_input
-{
-    char * name;
-    uint8_t key[KEY_BYTES];
-    uint8_t tweak[TWEAK_BYTES];
-};
-
-typedef struct vector_input vector_input;
-
-
 static inline FILE* open_dump_file(const char *folder, const char* vector, const char *name)
 {
     char filename[128];
diff --git a/crypto_aead/lilliputaei128v1/ref/test/test-cipher-ref/cipher_order.txt b/crypto_aead/lilliputaei128v1/ref/test/test-cipher-ref/cipher_order.txt
index 586078f..7dc7178 100644
--- a/crypto_aead/lilliputaei128v1/ref/test/test-cipher-ref/cipher_order.txt
+++ b/crypto_aead/lilliputaei128v1/ref/test/test-cipher-ref/cipher_order.txt
@@ -1,14 +1,14 @@
 Tweak :
-17     16     15     14     13     12     11     10
-0f     0e     0d     0c     0b     0a     09     08
-07     06     05     04     03     02     01     00
+     17     16     15     14     13     12     11     10
+     0f     0e     0d     0c     0b     0a     09     08
+     07     06     05     04     03     02     01     00
 
 Key :
-0f     0e     0d     0c     0b     0a     09     08
-07     06     05     04     03     02     01     00
+     0f     0e     0d     0c     0b     0a     09     08
+     07     06     05     04     03     02     01     00
 
 Message :
-0f     0e     0d     0c     0b     0a     09     08     07     06     05     04     03     02     01     00
+     0f     0e     0d     0c     0b     0a     09     08     07     06     05     04     03     02     01     00
 
 One round EGFN round :  0
      State :
diff --git a/crypto_aead/lilliputaei128v1/ref/test/test-cipher-ref/cipher_random.txt b/crypto_aead/lilliputaei128v1/ref/test/test-cipher-ref/cipher_random.txt
index ab77e18..2762d7b 100644
--- a/crypto_aead/lilliputaei128v1/ref/test/test-cipher-ref/cipher_random.txt
+++ b/crypto_aead/lilliputaei128v1/ref/test/test-cipher-ref/cipher_random.txt
@@ -1,14 +1,14 @@
 Tweak :
-4d     d2     b3     2a     12     43     8d     7d
-21     26     90     90     fa     2e     f8     df
-84     1c     11     81     10     f3     43     a8
+     4d     d2     b3     2a     12     43     8d     7d
+     21     26     90     90     fa     2e     f8     df
+     84     1c     11     81     10     f3     43     a8
 
 Key :
-9b     f9     d5     3d     4d     23     f4     7f
-68     91     73     02     0a     c6     96     c1
+     9b     f9     d5     3d     4d     23     f4     7f
+     68     91     73     02     0a     c6     96     c1
 
 Message :
-0b     94     30     0d     bd     1d     9d     9c     f9     c8     b6     84     29     f0     d7     bc
+     0b     94     30     0d     bd     1d     9d     9c     f9     c8     b6     84     29     f0     d7     bc
 
 One round EGFN round :  0
      State :
diff --git a/crypto_aead/lilliputaei128v1/ref/test/test-cipher.c b/crypto_aead/lilliputaei128v1/ref/test/test-cipher.c
index 6bc807f..c56e5fb 100644
--- a/crypto_aead/lilliputaei128v1/ref/test/test-cipher.c
+++ b/crypto_aead/lilliputaei128v1/ref/test/test-cipher.c
@@ -6,9 +6,18 @@
 #include "helpers.h"
 
 
-/* [0]: LSB */
+struct vector_input
+{
+    char * name;
+    uint8_t key[KEY_BYTES];
+    uint8_t tweak[TWEAK_BYTES];
+    uint8_t message[BLOCK_BYTES];
+};
+
+typedef struct vector_input vector_input;
 
 
+/* [0]: LSB */
 vector_input VECTORS[] = {
     {
         .name = "order",
@@ -20,6 +29,10 @@ vector_input VECTORS[] = {
         .key = {
             0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
             0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
+        },
+        .message = {
+            0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+            0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
         }
     },
     {
@@ -32,11 +45,31 @@ vector_input VECTORS[] = {
         .key = {
             0xc1, 0x96, 0xc6, 0x0a, 0x02, 0x73, 0x91, 0x68,
             0x7f, 0xf4, 0x23, 0x4d, 0x3d, 0xd5, 0xf9, 0x9b
+        },
+        .message = {
+            0xbc, 0xd7, 0xf0, 0x29, 0x84, 0xb6, 0xc8, 0xf9,
+            0x9c, 0x9d, 0x1d, 0xbd, 0x0d, 0x30, 0x94, 0x0b
         }
     }
 };
 
 
-int main()
+int main(int argc, char const * const *argv)
 {
+    if (argc < 2)
+    {
+        fprintf(stderr, "usage: %s OUTPUT-FOLDER\n", argv[0]);
+        return 1;
+    }
+
+    for (vector_input* input=VECTORS; input<ARRAY_END(VECTORS); input++) 
+    {
+        printf("%s\n", input->name);
+        FILE* dump = open_dump_file(argv[1], "cipher", input->name);
+
+        uint8_t ciphertext[BLOCK_BYTES];
+        lilliput_tbc_encrypt(input->key, input->tweak, input->message, ciphertext, dump);
+
+        fclose(dump);
+    }
 }
diff --git a/crypto_aead/lilliputaei128v1/ref/test/test-tweakey.c b/crypto_aead/lilliputaei128v1/ref/test/test-tweakey.c
index 8449ea4..2d3ef0d 100644
--- a/crypto_aead/lilliputaei128v1/ref/test/test-tweakey.c
+++ b/crypto_aead/lilliputaei128v1/ref/test/test-tweakey.c
@@ -6,9 +6,17 @@
 #include "helpers.h"
 
 
-/* [0]: LSB */
+struct vector_input
+{
+    char * name;
+    uint8_t key[KEY_BYTES];
+    uint8_t tweak[TWEAK_BYTES];
+};
 
+typedef struct vector_input vector_input;
 
+
+/* [0]: LSB */
 vector_input VECTORS[] = {
     {
         .name = "full",
-- 
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