(SQL Server) Generating Random Password

Demonstrates how to generate random passwords.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- All Chilkat classes can be unlocked at once at the beginning of a program
    -- by calling UnlockBundle.  It requires a Bundle unlock code.
    DECLARE @chilkatGlob int
    -- Use "Chilkat_9_5_0.Global" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Global', @chilkatGlob OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int
    EXEC sp_OAMethod @chilkatGlob, 'UnlockBundle', @success OUT, 'Anything for 30-day trial.'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @chilkatGlob, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @chilkatGlob
        RETURN
      END

    DECLARE @fortuna int
    -- Use "Chilkat_9_5_0.Prng" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Prng', @fortuna OUT

    -- Set this equal to 1 if the generated password must include at least one digit (0-9)
    DECLARE @bDigit int
    SELECT @bDigit = 1

    -- Set this equal to 1 if the generated password must include both uppercase and lowercase chars.
    DECLARE @bUpperAndLower int
    SELECT @bUpperAndLower = 1

    -- The generated password must contain one of the following non-alphanumeric chars.
    DECLARE @otherChars nvarchar(4000)
    SELECT @otherChars = '@#$%*'

    -- Exclude chars that appear similar to others:
    DECLARE @excludeChars nvarchar(4000)
    SELECT @excludeChars = 'iIlLoO0'

    -- Generate 8-character passwords:
    DECLARE @i int

    SELECT @i = 1
    WHILE @i <= 10
      BEGIN
        EXEC sp_OAMethod @fortuna, 'RandomPassword', @sTmp0 OUT, 8, @bDigit, @bUpperAndLower, @otherChars, @excludeChars
        PRINT @sTmp0
        SELECT @i = @i + 1
      END

    EXEC @hr = sp_OADestroy @chilkatGlob
    EXEC @hr = sp_OADestroy @fortuna


END
GO