将SQL Server Varbinary字段转换为MYSQL,保持数据完整

I was given the daunting task of converting a ASP website to PHP and SQL Server to MySQL, and I ran into an issue that hopefully somebody can help

I have a user table which has a password field with datatype Varbinary(128), are using pwdencrypt to encrypt the password.

Is there a way to transfer that over to MySQL, and somehow i need to be able to keep the password intact... how can i go about that? any pointers would be greatly appreciated!

pwdencrypt is a hash function, therefore, recovering the passwords isn't directly possible.

However, a quick Google query of pwdencrypt reveals that it has some serious security flaws and should be avoided.

How about notifying your users that you're changing systems and that a new password is required?

When a user first attempts to login on the new system, tell them to check their email for a secure link to setup their new password. That way their account can't be stolen in the database change.