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The Diffie-Hellman protocol employs a prime modulus. Suppose that you were not allowed to use a modulus p that is prime. You must use an odd modulus and it has to be square free(i.e. not divisible by any the square of any prime) but it cant be prime. Redesign the protocol to make it work- you want to make the new protocol as safe as possible and discuss how to choose your (non- prime modulus) and why would you do it this waay and quantify the security in doing so.
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Personal References
Job seekers with long-standing or mentor-like relationships with former supervisors often list them as professional references. Chances are, the former supervisor or manager has nothing but good things to say about the former employee’s job performance. Professional protocol for this type of employee reference is for the job seeker or employee to ask for permission to use the supervisor as a reference. In addition, the job seeker should let the supervisor know the company to which she has applied for a job so the supervisor won’t be caught off-guard when called.
Authorization
Before a prospective employer calls the job candidate’s former employer or professional references, professional courtesy dictates the recruiter or hiring manager should let the candidate know when the reference check will occur. Employment applications often ask if it’s acceptable to contact the applicant’s former employer. Applicants have the option to ask that calls to former employers be made only when a job offer is imminent. When a job seeker denies a prospective employer authorization to contact a former employer, it can raise a red flag that suggests the job seeker has something to hide.
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