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authorVitaly Chikunov <vt@altlinux.org>2019-04-11 18:51:17 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2019-04-18 22:15:02 +0800
commitf1774cb8956a35269f539efcee99fe7eda838b77 (patch)
tree249ba0956270b8a21c0fc9d52bc51dc7a2b1119d /crypto/Kconfig
parent83bc0299960477a4b99d9ad11b766d63c0dfaf60 (diff)
downloadlinux-f1774cb8956a35269f539efcee99fe7eda838b77.tar.bz2
X.509: parse public key parameters from x509 for akcipher
Some public key algorithms (like EC-DSA) keep in parameters field important data such as digest and curve OIDs (possibly more for different EC-DSA variants). Thus, just setting a public key (as for RSA) is not enough. Append parameters into the key stream for akcipher_set_{pub,priv}_key. Appended data is: (u32) algo OID, (u32) parameters length, parameters data. This does not affect current akcipher API nor RSA ciphers (they could ignore it). Idea of appending parameters to the key stream is by Herbert Xu. Cc: David Howells <dhowells@redhat.com> Cc: Denis Kenzior <denkenz@gmail.com> Cc: keyrings@vger.kernel.org Signed-off-by: Vitaly Chikunov <vt@altlinux.org> Reviewed-by: Denis Kenzior <denkenz@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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