On Fri, Jan 27, 2006 at 12:22:31PM +1100, Herbert Xu wrote:
David H?rdeman <[email protected]> wrote:
3) Changes the keyctl syscall to accept six arguments (is it valid to do so?)
and adds encryption as one of the supported ops for in-kernel keys.
The asymmetric encryption support should be done inside the crypto/
framework rather than as an extension to the key management system.
It is done inside the crypto/ framework. crypto/dsa.c implements the DSA
signing as a hash crypto algorithm (since a DSA signature is two 160-bit
integers, the result has a fixed size).
The above patch just adds the syscall to tell the in-kernel system that
you wish to encrypt/sign something with a given key. In the case that
the type of the given key is a DSA key, security/keys/dsa_key.c uses the
dsa crypto alg from crypto/dsa.c to satisfy that request.
Regards,
David
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