Client certificate password
The password is a string of characters that can be zero up to 128 characters in length. Valid characters are:
Numbers (0 to 9)
Upper case (A-Z)
Lower case (a-z)
Symbols: ! # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ^ _ ` { | } ~
For more information about converting the client certificate to PKCS#12 format, see Converting the client certificate to the PKCS#12 format.
For more information about client certificates, see Root and client certificates.