I am trying to migrate user data from ASP DOT NET STOREFRONT to Magento. The passwords stored in storefront DB is encrypted with Salt Keys.
Please let me know how can i migrate user data(passwords) successfully.
Thank You in advance.
You can migrate all user passwords in encrypted format, as long as you're able to do the same check - using the same password hashing algorithm.
For example, if your "ASP DOT NET STOREFRONT" is using MD5 with salt key, then you can use mine extension for Magento2 https://github.com/sinisa86/Sinwashere_LegacyAuthentication which will allow your legacy customers to log in properly.