diff --git a/.gitignore b/.gitignore
index 8a8d9db..a150516 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,8 @@ out/content/*
 */*.7z
 */*.sha512
 */*.sha256
-*/private_*
+*/.private_*
+*.attribution_*
 */*.sig
+*/checksums.txt
 anonymous_signer
diff --git a/create-attributable-archive.sh b/create-attributable-archive.sh
index 3e49738..3ba2f52 100755
--- a/create-attributable-archive.sh
+++ b/create-attributable-archive.sh
@@ -239,12 +239,12 @@ read -r random
 if [[ -z "$random" || "$random" =~ ^[nN]$ ]]; then
     echo -e "No random data added. ${GREEN}OK!${RESET}\n"
 else
-    printf 'random: adding 1/2 random blocks of data (128 bytes) to outer archive...\n'
-    openssl rand -out "$out_dir/.$RANDOM" 16 >/dev/null 2>&1
+    printf 'random: adding 1/2 random blocks of data (32 bytes) to outer archive...\n'
+    openssl rand -out "$out_dir/.$RANDOM" 32 >/dev/null 2>&1
     checkcode $?
 
-    printf 'random: adding 2/2 random blocks of data (128 bytes) to inner archive...\n'
-    openssl rand -out "$inner_dir/.$RANDOM" 16 >/dev/null 2>&1
+    printf 'random: adding 2/2 random blocks of data (32 bytes) to inner archive...\n'
+    openssl rand -out "$inner_dir/.$RANDOM" 32 >/dev/null 2>&1
     checkcode $?
 fi