ietf-openpgp
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Re: Calculating signature over private key

2005-08-15 21:35:04

<mkuusio(_at_)surfeu(_dot_)fi> writes:
I am calculating a signature over private keypair. How the data to be
signed differs from the public key? Are the fields: Salt, Initial vector,
Coded count, encrypted dsa x, encrypted sha1 hash (20 octets) included to
the signed data? Can someone clarify this?

OpenPGP does not support the notion of calculating a signature over a
private keypair.

Generally a signature is done on a public key as part of a certification
of that key that will be publicly available.  Signing a private key
would not be useful because the private key material is normally not
shared with others, so signature verification would be impossible.

Hal


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