Define in bnf a grammar for strong password

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Reference no: EM132137132

Strong passwords are at least 8 characters in length, contain both upper- and lower-case letters, as well as some digits and special characters. Use the requirements (specified below) for a password to define in BNF a grammar for <strong password>

A valid password must contain the following elements:

- Standard U.S. keyboard characters only (such as the letters A through Z, the numbers 0 through 9, or the special characters on the top row of the keyboard)

- A minimum of 8 characters

- A maximum of 32 characters

- At least 1 number

- At least 1 of these special characters: ! $ & * < >

Reference no: EM132137132

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