PWDENCRYPT (Transact-SQL)
Applies to: 
SQL Server
Azure SQL Database
Azure SQL Managed Instance
Returns the SQL Server password hash of the input value that uses the current version of the password hashing algorithm.
PWDENCRYPT is an older function and might not be supported in a future release of SQL Server. Use HASHBYTES instead. HASHBYTES provides more hashing algorithms.
Transact-SQL syntax conventions
Syntax
PWDENCRYPT ( 'password' )
Arguments
password
Is the password to be encrypted. password is sysname.
Return Types
varbinary(128)
Permissions
PWDENCRYPT is available to public.