ppdd: creation of working passphrase

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Hi,

This is a question for ppdd

file=pass.c
function=newpass

In this function, during the creation of the working passphrase, I can see that the existing information in the "mkey" field of the control block is being encrypted with the Key that is derived from the Working Passphrase, but why is it decrypted with the Key derived from the master passphrase before writing back to the control block?

Thanks in advance

Louis Lam
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Linux-crypto: cryptography in and on the Linux system Archive: http://mail.nl.linux.org/linux-crypto/


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