Update sign_verify_file_ssh.sh

Author: ocaisa

sign_verify_file_ssh.sh

@@ -12,7 +12,7 @@ usage() {
     echo "  $0 sign <private_key> <file>"
     echo "  $0 verify <allowed_signers_file> <file> [signature_file]"
     echo "where"
-    echo "- <private_key>: Path to the SSH private key (if a KEY_passphrase exists it can be"
+    echo "- <private_key>: Path to the SSH private key (if a passphrase exists it can be"
     echo "                 provided via the KEY_PASSPHRASE environment variable)"
     echo "- <file>: Path to the file to be signed/verified"
     echo "- <allowed_signers_file>: Path to the allowed signers file"
@@ -38,7 +38,7 @@ FILE_TO_SIGN="$3"
 # Ensure the file exists
 if [ ! -f "$FILE_TO_SIGN" ]; then
     echo "Error: File '$FILE_TO_SIGN' not found."
-    exit 1
+    exit $FILE_PROBLEM
 fi
 
 # Function to securely convert the private key to OpenSSH format