@@ -695,6 +695,13 @@ function get_default_host_ip {

     echo $host_ip

 }

+# Generates hex string from ``size`` byte of pseudo random data

+# generate_hex_string size

+function generate_hex_string {

+    local size=$1

+    hexdump -n "$size" -v -e '/1 "%02x"' /dev/urandom

+}

+

 # Grab a numbered field from python prettytable output

 # Fields are numbered starting with 1

 # Reverse syntax is supported: -1 is the last field, -2 is second to last, etc.

@@ -98,7 +98,7 @@ function configure_heat {

     iniset $HEAT_CONF DEFAULT heat_waitcondition_server_url http://$HEAT_API_CFN_HOST:$HEAT_API_CFN_PORT/v1/waitcondition

     iniset $HEAT_CONF DEFAULT heat_watch_server_url http://$HEAT_API_CW_HOST:$HEAT_API_CW_PORT

     iniset $HEAT_CONF database connection `database_connection_url heat`

-    iniset $HEAT_CONF DEFAULT auth_encryption_key `hexdump -n 16 -v -e '/1 "%02x"' /dev/urandom`

+    iniset $HEAT_CONF DEFAULT auth_encryption_key $(generate_hex_string 16)

     iniset $HEAT_CONF DEFAULT region_name_for_services "$REGION_NAME"

@@ -426,7 +426,7 @@ function read_password {

             echo "Invalid chars in password.  Try again:"

         done

         if [ ! $pw ]; then

-            pw=$(cat /dev/urandom | tr -cd 'a-f0-9' | head -c 20)

+            pw=$(generate_hex_string 10)

         fi

         eval "$var=$pw"

         echo "$var=$pw" >> $localrc

@@ -1211,11 +1211,7 @@ fi

 # Create a randomized default value for the keymgr's fixed_key

 if is_service_enabled nova; then

-    FIXED_KEY=""

-    for i in $(seq 1 64); do

-        FIXED_KEY+=$(echo "obase=16; $(($RANDOM % 16))" | bc);

-    done;

-    iniset $NOVA_CONF keymgr fixed_key "$FIXED_KEY"

+    iniset $NOVA_CONF keymgr fixed_key $(generate_hex_string 32)

 fi

 if is_service_enabled zeromq; then