Update libsrtp to upstream 1.5.0

srtp/crypto/test/rand_gen_soak.c

+/*
+ * Soak test the RNG for exhaustion failures
+ */
+#ifdef HAVE_CONFIG_H
+    #include <config.h>
+#endif
+
+#include <stdio.h>           /* for printf() */
+#include <unistd.h>          /* for getopt() */
+#include "crypto_kernel.h"
+
+#define BUF_LEN (MAX_PRINT_STRING_LEN/2)
+
+int main(int argc, char *argv[])
+{
+    int q;
+    extern char *optarg;
+    int num_octets = 0;
+    err_status_t status;
+    uint32_t iterations = 0;
+    int print_values = 0;
+
+    if (argc == 1) {
+        exit(255);
+    }
+
+    status = crypto_kernel_init();
+    if (status) {
+        printf("error: crypto_kernel init failed\n");
+        exit(1);
+    }
+
+    while (1) {
+        q = getopt(argc, argv, "pvn:");
+        if (q == -1) {
+            break;
+        }
+        switch (q) {
+        case 'p':
+            print_values = 1;
+            break;
+        case 'n':
+            num_octets = atoi(optarg);
+            if (num_octets < 0 || num_octets > BUF_LEN) {
+                exit(255);
+            }
+            break;
+        case 'v':
+            num_octets = 30;
+            print_values = 0;
+            break;
+        default:
+            exit(255);
+        }
+    }
+
+    if (num_octets > 0) {
+        while (iterations < 300000) {
+            uint8_t buffer[BUF_LEN];
+
+            status = crypto_get_random(buffer, num_octets);
+            if (status) {
+                printf("iteration %d error: failure in random source\n", iterations);
+                exit(255);
+            } else if (print_values) {
+                printf("%s\n", octet_string_hex_string(buffer, num_octets));
+            }
+            iterations++;
+        }
+    }
+
+    status = crypto_kernel_shutdown();
+    if (status) {
+        printf("error: crypto_kernel shutdown failed\n");
+        exit(1);
+    }
+
+    return 0;
+}
+