From 3e6decf91e07646e137cff11cb31c87ced574467 Mon Sep 17 00:00:00 2001
From: David Monniaux <david.monniaux@univ-grenoble-alpes.fr>
Date: Wed, 30 Jan 2019 11:08:09 +0100
Subject: https://github.com/conorpp/bitsliced-aes

---
 test/monniaux/bitsliced-aes/testbench/app.c | 144 ++++++++++++++++++++++++++++
 test/monniaux/bitsliced-aes/testbench/app.h |   7 ++
 2 files changed, 151 insertions(+)
 create mode 100644 test/monniaux/bitsliced-aes/testbench/app.c
 create mode 100644 test/monniaux/bitsliced-aes/testbench/app.h

(limited to 'test/monniaux/bitsliced-aes/testbench')

diff --git a/test/monniaux/bitsliced-aes/testbench/app.c b/test/monniaux/bitsliced-aes/testbench/app.c
new file mode 100644
index 00000000..71e2c3ce
--- /dev/null
+++ b/test/monniaux/bitsliced-aes/testbench/app.c
@@ -0,0 +1,144 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+#include <time.h>
+
+#include <openssl/bn.h>
+#include <openssl/err.h>
+
+#include "app.h"
+#include "../bs.h"
+#include "../aes.h"
+
+static void openssl_die(void)
+{
+    fprintf(stderr,"error: %s\n",
+            ERR_error_string(ERR_get_error(),NULL) );
+    exit(2);
+}
+
+static unsigned int hex2bin(unsigned char ** bin, const char * hex)
+{
+    int len;
+    BIGNUM * bn = NULL;
+    if(BN_hex2bn(&bn, (char*)hex) == 0)
+    {   openssl_die();    }
+
+    len = BN_num_bytes(bn);
+    *bin = (unsigned char *)malloc(len);
+
+    if(BN_bn2bin(bn, *bin) == 0)
+    {   openssl_die();  }
+    return len;
+}
+
+
+int cli_app(int argc, char * argv[])
+{
+    uint8_t key[16];
+    uint8_t iv[16];
+    
+    uint8_t * key_p = NULL, * iv_p = NULL;
+
+    int keylen, ivlen;
+
+    if (argc != 5)
+    {
+        fprintf(stderr, 
+                "Bitsliced AES-CTR\n"
+                "usage: %s <key-hex> <iv-hex> <input-file> <output-file>\n", argv[0]);
+        exit(1);
+    }
+
+    char * key_s = argv[1];
+    char * iv_s = argv[2];
+    char * input_name = argv[3];
+    char * output_name = argv[4];
+
+    FILE * input = fopen(input_name, "r");
+    if (input == NULL)
+    {
+        perror("fopen");
+        exit(2);
+    }
+
+    FILE * output = fopen(output_name, "w+");
+    if (output == NULL)
+    {
+        perror("fopen");
+        exit(2);
+    }
+
+
+    ERR_load_crypto_strings();
+
+    keylen = hex2bin(&key_p,key_s);
+    if (keylen > 16)
+    {
+        free(key_p);
+        fprintf(stderr,"key must be 16 bytes or less\n");
+        exit(2);
+    }
+
+    ivlen = hex2bin(&iv_p,iv_s);
+    if (ivlen > 16)
+    {
+        free(iv_p);
+        free(key_p);
+        fprintf(stderr,"iv must be 16 bytes or less\n");
+        exit(2);
+    }
+
+    memset(iv,0,16);
+    memset(key,0,16);
+
+    memmove(iv, iv_p, ivlen);
+    memmove(key, key_p, keylen);
+
+    free(iv_p);
+    free(key_p);
+
+    fseek(input, 0L, SEEK_END);
+    size_t amt = ftell(input);
+    fseek(input, 0L, SEEK_SET);
+
+    uint8_t * pt = (uint8_t *) malloc(amt);
+    uint8_t * ct = (uint8_t *) malloc(amt);
+
+    int ptlen = fread(pt, 1, amt, input);
+    if (ptlen != amt)
+    {
+        perror("fread");
+        exit(2);
+    }
+
+    struct timespec tstart,tend;
+    clock_gettime(CLOCK_MONOTONIC, &tstart);
+    {
+        aes_ctr_encrypt(ct, pt, amt, key, iv);
+    }
+    clock_gettime(CLOCK_MONOTONIC, &tend);
+
+    double total = (((double)tend.tv_sec + 1.0e-9 * (double)tend.tv_nsec) -
+                ((double)tstart.tv_sec + 1.0e-9 * (double)tstart.tv_nsec));
+
+    printf("performance for %d word length\n", WORD_SIZE);
+    printf("-------------------------------\n");
+    printf("%.5f s\n", total);
+    printf("%.15f s/byte\n", total/amt);
+    printf("%.5f cycles/byte (for 4 GHz)\n", 4000ull * (1ull<<20) * total/amt);
+
+
+    if (write(fileno(output), ct, amt) == -1)
+    {
+        perror("write");
+        exit(2);
+    }
+
+    free(ct);
+    free(pt);
+
+    return 0;
+}
diff --git a/test/monniaux/bitsliced-aes/testbench/app.h b/test/monniaux/bitsliced-aes/testbench/app.h
new file mode 100644
index 00000000..29fdc279
--- /dev/null
+++ b/test/monniaux/bitsliced-aes/testbench/app.h
@@ -0,0 +1,7 @@
+#ifndef _APP_H_
+#define _APP_H_
+
+
+int cli_app(int argc, char * argv[]);
+
+#endif
-- 
cgit