My application encrypts PDF files with line:
EncryptFile(userPassword, ownerPassword, DocumentPrivilege.AllowAll, KeySize.x128, Algorithm.AES)
I got exception
Exception: System.IO.IOException: Bad password!: v220.127.116.11
The password looks like that ABC2EFG2016 .
Is that because the password format is not good? What are the rules on which password is valid?
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