diff --git a/jni/pjproject-android/.svn/pristine/c1/c11b9028b6ab29365dfb8252a4a01be155ecf2f4.svn-base b/jni/pjproject-android/.svn/pristine/c1/c11b9028b6ab29365dfb8252a4a01be155ecf2f4.svn-base
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@@ -0,0 +1,491 @@
+/*
+ * cipher_driver.c
+ *
+ * A driver for the generic cipher type
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *	
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ *   Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ *   Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the following
+ *   disclaimer in the documentation and/or other materials provided
+ *   with the distribution.
+ * 
+ *   Neither the name of the Cisco Systems, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived
+ *   from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdio.h>           /* for printf() */
+#include <stdlib.h>          /* for rand() */
+#include <string.h>          /* for memset() */
+#include <unistd.h>          /* for getopt() */
+#include "cipher.h"
+#include "aes_icm.h"
+#include "null_cipher.h"
+
+#define PRINT_DEBUG 0
+
+void
+cipher_driver_test_throughput(cipher_t *c);
+
+err_status_t
+cipher_driver_self_test(cipher_type_t *ct);
+
+
+/*
+ * cipher_driver_test_buffering(ct) tests the cipher's output
+ * buffering for correctness by checking the consistency of succesive
+ * calls
+ */
+
+err_status_t
+cipher_driver_test_buffering(cipher_t *c);
+
+
+/*
+ * functions for testing cipher cache thrash
+ */
+err_status_t
+cipher_driver_test_array_throughput(cipher_type_t *ct, 
+				    int klen, int num_cipher);
+
+void
+cipher_array_test_throughput(cipher_t *ca[], int num_cipher);
+
+uint64_t
+cipher_array_bits_per_second(cipher_t *cipher_array[], int num_cipher, 
+			     unsigned octets_in_buffer, int num_trials);
+
+err_status_t
+cipher_array_delete(cipher_t *cipher_array[], int num_cipher);
+
+err_status_t
+cipher_array_alloc_init(cipher_t ***cipher_array, int num_ciphers,
+			cipher_type_t *ctype, int klen);
+
+void
+usage(char *prog_name) {
+  printf("usage: %s [ -t | -v | -a ]\n", prog_name);
+  exit(255);
+}
+
+void
+check_status(err_status_t s) {
+  if (s) {
+    printf("error (code %d)\n", s);
+    exit(s);
+  }
+  return;
+}
+
+/*
+ * null_cipher, aes_icm, and aes_cbc are the cipher meta-objects
+ * defined in the files in crypto/cipher subdirectory.  these are
+ * declared external so that we can use these cipher types here
+ */
+
+extern cipher_type_t null_cipher;
+extern cipher_type_t aes_icm;
+extern cipher_type_t aes_cbc;
+
+int
+main(int argc, char *argv[]) {
+  cipher_t *c = NULL;
+  err_status_t status;
+  unsigned char test_key[20] = {
+    0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+    0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+    0x10, 0x11, 0x12, 0x13
+  };
+  int q;
+  unsigned do_timing_test = 0;
+  unsigned do_validation = 0;
+  unsigned do_array_timing_test = 0;
+
+  /* process input arguments */
+  while (1) {
+    q = getopt(argc, argv, "tva");
+    if (q == -1) 
+      break;
+    switch (q) {
+    case 't':
+      do_timing_test = 1;
+      break;
+    case 'v':
+      do_validation = 1;
+      break;
+    case 'a':
+      do_array_timing_test = 1;
+      break;
+    default:
+      usage(argv[0]);
+    }    
+  }
+   
+  printf("cipher test driver\n"
+	 "David A. McGrew\n"
+	 "Cisco Systems, Inc.\n");
+
+  if (!do_validation && !do_timing_test && !do_array_timing_test)
+    usage(argv[0]);
+
+   /* arry timing (cache thrash) test */
+  if (do_array_timing_test) {
+    int max_num_cipher = 1 << 16;   /* number of ciphers in cipher_array */
+    int num_cipher;
+    
+    for (num_cipher=1; num_cipher < max_num_cipher; num_cipher *=8)
+      cipher_driver_test_array_throughput(&null_cipher, 0, num_cipher); 
+
+    for (num_cipher=1; num_cipher < max_num_cipher; num_cipher *=8)
+      cipher_driver_test_array_throughput(&aes_icm, 30, num_cipher); 
+
+    for (num_cipher=1; num_cipher < max_num_cipher; num_cipher *=8)
+      cipher_driver_test_array_throughput(&aes_cbc, 16, num_cipher); 
+ 
+  }
+
+  if (do_validation) {
+    cipher_driver_self_test(&null_cipher);
+    cipher_driver_self_test(&aes_icm);
+    cipher_driver_self_test(&aes_cbc);
+  }
+
+  /* do timing and/or buffer_test on null_cipher */
+  status = cipher_type_alloc(&null_cipher, &c, 0); 
+  check_status(status);
+
+  status = cipher_init(c, NULL, direction_encrypt);
+  check_status(status);
+
+  if (do_timing_test) 
+    cipher_driver_test_throughput(c);
+  if (do_validation) {
+    status = cipher_driver_test_buffering(c);
+    check_status(status);
+  }
+  status = cipher_dealloc(c);
+  check_status(status);
+  
+
+  /* run the throughput test on the aes_icm cipher */
+    status = cipher_type_alloc(&aes_icm, &c, 30);  
+    if (status) {
+      fprintf(stderr, "error: can't allocate cipher\n");
+      exit(status);
+    }
+
+    status = cipher_init(c, test_key, direction_encrypt);
+    check_status(status);
+
+    if (do_timing_test)
+      cipher_driver_test_throughput(c);
+    
+    if (do_validation) {
+      status = cipher_driver_test_buffering(c);
+      check_status(status);
+    }
+    
+    status = cipher_dealloc(c);
+    check_status(status);
+  
+  return 0;
+}
+
+void
+cipher_driver_test_throughput(cipher_t *c) {
+  int i;
+  int min_enc_len = 32;     
+  int max_enc_len = 2048;   /* should be a power of two */
+  int num_trials = 100000;  
+  
+  printf("timing %s throughput:\n", c->type->description);
+  fflush(stdout);
+  for (i=min_enc_len; i <= max_enc_len; i = i * 2)
+    printf("msg len: %d\tgigabits per second: %f\n",
+	   i, cipher_bits_per_second(c, i, num_trials) / 1e9);
+
+}
+
+err_status_t
+cipher_driver_self_test(cipher_type_t *ct) {
+  err_status_t status;
+  
+  printf("running cipher self-test for %s...", ct->description);
+  status = cipher_type_self_test(ct);
+  if (status) {
+    printf("failed with error code %d\n", status);
+    exit(status);
+  }
+  printf("passed\n");
+  
+  return err_status_ok;
+}
+
+/*
+ * cipher_driver_test_buffering(ct) tests the cipher's output
+ * buffering for correctness by checking the consistency of succesive
+ * calls
+ */
+
+err_status_t
+cipher_driver_test_buffering(cipher_t *c) {
+  int i, j, num_trials = 1000;
+  unsigned len, buflen = 1024;
+  uint8_t buffer0[buflen], buffer1[buflen], *current, *end;
+  uint8_t idx[16] = { 
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0x34
+  };
+  err_status_t status;
+  
+  printf("testing output buffering for cipher %s...",
+	 c->type->description);
+
+  for (i=0; i < num_trials; i++) {
+
+   /* set buffers to zero */
+    for (j=0; j < buflen; j++) 
+      buffer0[j] = buffer1[j] = 0;
+    
+    /* initialize cipher  */
+    status = cipher_set_iv(c, idx);
+    if (status)
+      return status;
+
+    /* generate 'reference' value by encrypting all at once */
+    status = cipher_encrypt(c, buffer0, &buflen);
+    if (status)
+      return status;
+
+    /* re-initialize cipher */
+    status = cipher_set_iv(c, idx);
+    if (status)
+      return status;
+    
+    /* now loop over short lengths until buffer1 is encrypted */
+    current = buffer1;
+    end = buffer1 + buflen;
+    while (current < end) {
+
+      /* choose a short length */
+      len = rand() & 0x01f;
+
+      /* make sure that len doesn't cause us to overreach the buffer */
+      if (current + len > end)
+	len = end - current;
+
+      status = cipher_encrypt(c, current, &len);
+      if (status) 
+	return status;
+      
+      /* advance pointer into buffer1 to reflect encryption */
+      current += len;
+      
+      /* if buffer1 is all encrypted, break out of loop */
+      if (current == end)
+	break;
+    }
+
+    /* compare buffers */
+    for (j=0; j < buflen; j++)
+      if (buffer0[j] != buffer1[j]) {
+#if PRINT_DEBUG
+	printf("test case %d failed at byte %d\n", i, j);
+	printf("computed: %s\n", octet_string_hex_string(buffer1, buflen));
+	printf("expected: %s\n", octet_string_hex_string(buffer0, buflen));
+#endif 
+	return err_status_algo_fail;
+      }
+  }
+  
+  printf("passed\n");
+
+  return err_status_ok;
+}
+
+
+/*
+ * The function cipher_test_throughput_array() tests the effect of CPU
+ * cache thrash on cipher throughput.  
+ *
+ * cipher_array_alloc_init(ctype, array, num_ciphers) creates an array
+ * of cipher_t of type ctype
+ */
+
+err_status_t
+cipher_array_alloc_init(cipher_t ***ca, int num_ciphers,
+			cipher_type_t *ctype, int klen) {
+  int i, j;
+  err_status_t status;
+  uint8_t *key;
+  cipher_t **cipher_array;
+
+  /* allocate array of pointers to ciphers */
+  cipher_array = (cipher_t **) malloc(sizeof(cipher_t *) * num_ciphers);
+  if (cipher_array == NULL)
+    return err_status_alloc_fail;
+
+  /* set ca to location of cipher_array */
+  *ca = cipher_array;
+
+  /* allocate key */
+  key = crypto_alloc(klen);
+  if (key == NULL) {
+    free(cipher_array);
+    return err_status_alloc_fail;
+  }
+  
+  /* allocate and initialize an array of ciphers */
+  for (i=0; i < num_ciphers; i++) {
+
+    /* allocate cipher */
+    status = cipher_type_alloc(ctype, cipher_array, klen);
+    if (status)
+      return status;
+    
+    /* generate random key and initialize cipher */
+    for (j=0; j < klen; j++)
+      key[j] = (uint8_t) rand();
+    status = cipher_init(*cipher_array, key, direction_encrypt);
+    if (status)
+      return status;
+
+/*     printf("%dth cipher is at %p\n", i, *cipher_array); */
+/*     printf("%dth cipher description: %s\n", i,  */
+/* 	   (*cipher_array)->type->description); */
+    
+    /* advance cipher array pointer */
+    cipher_array++;
+  }
+
+  return err_status_ok;
+}
+
+err_status_t
+cipher_array_delete(cipher_t *cipher_array[], int num_cipher) {
+  int i;
+  
+  for (i=0; i < num_cipher; i++) {
+    cipher_dealloc(cipher_array[i]);
+  }
+
+  free(cipher_array);
+  
+  return err_status_ok;
+}
+
+
+/*
+ * cipher_array_bits_per_second(c, l, t) computes (an estimate of) the
+ * number of bits that a cipher implementation can encrypt in a second
+ * when distinct keys are used to encrypt distinct messages
+ * 
+ * c is a cipher (which MUST be allocated an initialized already), l
+ * is the length in octets of the test data to be encrypted, and t is
+ * the number of trials
+ *
+ * if an error is encountered, the value 0 is returned
+ */
+
+uint64_t
+cipher_array_bits_per_second(cipher_t *cipher_array[], int num_cipher, 
+			      unsigned octets_in_buffer, int num_trials) {
+  int i;
+  v128_t nonce;
+  clock_t timer;
+  unsigned char *enc_buf;
+  int cipher_index = 0;
+
+
+  enc_buf = crypto_alloc(octets_in_buffer);
+  if (enc_buf == NULL)
+    return 0;  /* indicate bad parameters by returning null */
+  
+  /* time repeated trials */
+  v128_set_to_zero(&nonce);
+  timer = clock();
+  for(i=0; i < num_trials; i++, nonce.v32[3] = i) {
+
+    /* choose a cipher at random from the array*/
+    cipher_index = (*((uint32_t *)enc_buf)) % num_cipher;
+
+    /* encrypt buffer with cipher */
+    cipher_set_iv(cipher_array[cipher_index], &nonce);
+    cipher_encrypt(cipher_array[cipher_index], enc_buf, &octets_in_buffer);
+  }
+  timer = clock() - timer;
+
+  free(enc_buf);
+
+  if (timer == 0) {
+    /* Too fast! */
+    return 0;
+  }
+
+  return CLOCKS_PER_SEC * num_trials * 8 * octets_in_buffer / timer;
+}
+
+void
+cipher_array_test_throughput(cipher_t *ca[], int num_cipher) {
+  int i;
+  int min_enc_len = 16;     
+  int max_enc_len = 2048;   /* should be a power of two */
+  int num_trials = 10000;
+
+  printf("timing %s throughput with array size %d:\n", 
+	 (ca[0])->type->description, num_cipher);
+  fflush(stdout);
+  for (i=min_enc_len; i <= max_enc_len; i = i * 4)
+    printf("msg len: %d\tgigabits per second: %f\n", i,
+	   cipher_array_bits_per_second(ca, num_cipher, i, num_trials) / 1e9);
+
+}
+
+err_status_t
+cipher_driver_test_array_throughput(cipher_type_t *ct, 
+				    int klen, int num_cipher) {
+  cipher_t **ca = NULL;
+  err_status_t status;
+
+  status = cipher_array_alloc_init(&ca, num_cipher, ct, klen);
+  if (status) {
+    printf("error: cipher_array_alloc_init() failed with error code %d\n",
+	   status);
+    return status;
+  }
+  
+  cipher_array_test_throughput(ca, num_cipher);
+  
+  cipher_array_delete(ca, num_cipher);    
+ 
+  return err_status_ok;
+}