Added cryptodev support (/dev/crypto). Tested with http://www.logix.cz/michal/devel/cryptodev/.

Added benchmark utility for AES. Exported API to access encryption algorithms.

1 files changed, 79 insertions, 0 deletions

diff --git a/src/benchmark.c b/src/benchmark.c
new file mode 100644
index 0000000000..83d57f44c9
--- /dev/null
+++ b/src/benchmark.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2009 Free Software Foundation
+ *
+ * This file is part of GNUTLS.
+ *
+ * GNUTLS 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.
+ *
+ * GNUTLS 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/>.
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <gnutls/gnutls.h>
+#include <gnutls/crypto.h>
+#include <time.h>
+
+static unsigned char data[64*1024];
+
+void cipher_bench(int size)
+{
+int ret, i;
+gnutls_cipher_hd_t ctx;
+gnutls_datum_t key = { "\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01", 16 };
+gnutls_datum_t iv = { "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff", 16 };
+struct timespec start, stop;
+double secs;
+long data_size = 0;
+double dd;
+
+  gnutls_global_init();
+  
+  printf("Checking AES (%dkb payload)... ", size);
+  fflush(stdout);
+  clock_gettime(CLOCK_MONOTONIC, &start);
+
+  ret = gnutls_cipher_init( &ctx, GNUTLS_CIPHER_AES_128_CBC, &key, &iv);
+  if (ret < 0) {
+    fprintf(stderr, "error: %s\n", gnutls_strerror(ret));
+    return;
+  }
+  
+  for (i=0;i<7*1024;i++) {
+    gnutls_cipher_encrypt(ctx, data, size*1024);
+    data_size+= size*1024;
+  }
+  
+  gnutls_cipher_deinit(ctx);
+
+  clock_gettime(CLOCK_MONOTONIC, &stop);
+
+  secs = (stop.tv_sec*1000+stop.tv_nsec/(1000*1000)-(start.tv_sec*1000+start.tv_nsec/(1000*1000)));
+  secs /= 1000;
+  dd = (((double)data_size/(double)secs))/1000;
+  printf("Transferred %u kb in %.2f secs: ", data_size/1000, secs);
+  printf("%.2f kbyte/sec\n", dd);
+
+}
+
+
+int main()
+{
+  cipher_bench(8);
+  cipher_bench(16);
+  cipher_bench(32);
+ 
+  return 0; 
+}