- when entering new PINs on stdin, make the user re-type the PIN to avoid typos
- when entering new PINs on stdin, make the user re-type the PIN to avoid typos


git-svn-id: 444ed946b9c2220da791e84c3dd156a05f92db99@690 c6295689-39f2-0310-b995-f0e70906c6a9

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