1 files changed, 222 insertions, 0 deletions
diff --git a/third_party/libsrtp/src/crypto/test/datatypes_driver.c b/third_party/libsrtp/src/crypto/test/datatypes_driver.c
new file mode 100644
index 0000000000..db1be7f668
--- /dev/null
+++ b/third_party/libsrtp/src/crypto/test/datatypes_driver.c
@@ -0,0 +1,222 @@
+/*
+ * datatypes_driver.c
+ *
+ * a test driver for crypto/math datatypes
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2017, 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.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>  /* for printf() */
+#include <string.h> /* for strlen() */
+#include "datatypes.h"
+#include "util.h"
+
+void byte_order(void);
+
+void test_hex_string_funcs(void);
+
+void print_string(char *s);
+
+void test_bswap(void);
+
+void test_set_to_zero(void);
+
+int main(void)
+{
+    /*
+     * this program includes various and sundry tests for fundamental
+     * datatypes.  it's a grab-bag of throwaway code, retained only in
+     * case of future problems
+     */
+
+    int i, j;
+    v128_t x;
+    char *r = "The Moving Finger writes; and, having writ,\n"
+              "Moves on: nor all thy Piety nor Wit\n"
+              "Shall lure it back to cancel half a Line,\n"
+              "Nor all thy Tears wash out a Word of it.";
+    char *s = "incomplet";
+
+    print_string(r);
+    print_string(s);
+
+    byte_order();
+    test_hex_string_funcs();
+
+    for (j = 0; j < 128; j++) {
+        v128_set_to_zero(&x);
+        /*      x.v32[0] = (1 << j); */
+        v128_set_bit(&x, j);
+        printf("%s\n", v128_bit_string(&x));
+        v128_clear_bit(&x, j);
+        printf("%s\n", v128_bit_string(&x));
+    }
+
+    printf("----------------------------------------------\n");
+    v128_set_to_zero(&x);
+    for (i = 0; i < 128; i++) {
+        v128_set_bit(&x, i);
+    }
+    printf("%s\n", v128_bit_string(&x));
+
+    printf("----------------------------------------------\n");
+    v128_set_to_zero(&x);
+    v128_set_bit(&x, 127);
+    for (i = 0; i < 128; i++) {
+        printf("%s\n", v128_bit_string(&x));
+        v128_left_shift(&x, 1);
+    }
+    printf("----------------------------------------------\n");
+    for (i = 0; i < 128; i++) {
+        v128_set_to_zero(&x);
+        v128_set_bit(&x, 127);
+        v128_left_shift(&x, i);
+        printf("%s\n", v128_bit_string(&x));
+    }
+    printf("----------------------------------------------\n");
+    v128_set_to_zero(&x);
+    for (i = 0; i < 128; i += 2) {
+        v128_set_bit(&x, i);
+    }
+    printf("bit_string: { %s }\n", v128_bit_string(&x));
+    printf("get_bit:    { ");
+    for (i = 0; i < 128; i++) {
+        if (v128_get_bit(&x, i) == 1)
+            printf("1");
+        else
+            printf("0");
+    }
+    printf(" } \n");
+
+    test_bswap();
+    test_set_to_zero();
+
+    return 0;
+}
+
+/* byte_order() prints out byte ordering of datatypes */
+
+void byte_order(void)
+{
+    int i;
+    v128_t e;
+
+    printf("byte ordering of crypto/math datatypes:\n");
+    for (i = 0; i < sizeof(e); i++)
+        e.v8[i] = i;
+    printf("v128_t: %s\n", v128_hex_string(&e));
+}
+
+void test_hex_string_funcs(void)
+{
+    char hex1[] = "abadcafe";
+    char hex2[] = "0123456789abcdefqqqqq";
+    char raw[10];
+    int len;
+
+    len = hex_string_to_octet_string(raw, hex1, strlen(hex1));
+    printf("computed length: %d\tstring: %s\n", len,
+           octet_string_hex_string(raw, len / 2));
+    printf("expected length: %u\tstring: %s\n", (unsigned)strlen(hex1), hex1);
+
+    len = hex_string_to_octet_string(raw, hex2, strlen(hex2));
+    printf("computed length: %d\tstring: %s\n", len,
+           octet_string_hex_string(raw, len / 2));
+    printf("expected length: %d\tstring: %s\n", 16, "0123456789abcdef");
+}
+
+void print_string(char *s)
+{
+    size_t i;
+    printf("%s\n", s);
+    printf("strlen(s) = %u\n", (unsigned)strlen(s));
+    printf("{ ");
+    for (i = 0; i < strlen(s); i++) {
+        printf("0x%x, ", s[i]);
+        if (((i + 1) % 8) == 0)
+            printf("\n   ");
+    }
+    printf("}\n");
+}
+
+void test_bswap(void)
+{
+    uint32_t x = 0x11223344;
+    uint64_t y = 0x1122334455667788LL;
+
+    printf("before: %0x\nafter:  %0x\n", x, (unsigned int)be32_to_cpu(x));
+    printf("before: %0llx\nafter:  %0llx\n", (unsigned long long)y,
+           (unsigned long long)be64_to_cpu(y));
+
+    y = 1234;
+
+    printf("1234: %0llx\n", (unsigned long long)y);
+    printf("as octet string: %s\n", octet_string_hex_string((uint8_t *)&y, 8));
+    y = be64_to_cpu(y);
+    printf("bswapped octet string: %s\n",
+           octet_string_hex_string((uint8_t *)&y, 8));
+}
+
+void test_set_to_zero(void)
+{
+#define BUFFER_SIZE (16)
+    uint8_t buffer[BUFFER_SIZE];
+    size_t i;
+
+    for (i = 0; i < BUFFER_SIZE; i++) {
+        buffer[i] = i & 0xff;
+    }
+    printf("Buffer before: %s\n", octet_string_hex_string(buffer, BUFFER_SIZE));
+    octet_string_set_to_zero(buffer, BUFFER_SIZE);
+    printf("Buffer after: %s\n", octet_string_hex_string(buffer, BUFFER_SIZE));
+    for (i = 0; i < BUFFER_SIZE; i++) {
+        if (buffer[i]) {
+            fprintf(stderr,
+                    "Buffer contents not zero at position %zu (is %d)\n", i,
+                    buffer[i]);
+            abort();
+        }
+    }
+#undef BUFFER_SIZE
+}