Previously, this change had grouped the public and private
portions of the ML-KEM key structure into one allocation that
was changed to use secure memory. There were concerns raised
that there may be use cases where storage of many ML-KEM public
keys may be necessary. Since the total secure memory size is configured
by the user, reduce the footprint of secure memory usage to
reduce the impact of these changes on users of these flows.
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/27625)
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/26127)
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/26127)
A DSA_KEY when created will alloc enough space to hold its k & l
vectors and then just set the vectors to point to the allocated blob.
Local Vectors and Matricies can then be initialised in a similar way by
passing them an array of Polnomials that are on the local stack.
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/26127)
The key generation algorithm requires a significant portion of the many
algorithms present in FIPS 204.
This work is derived from the BoringSSL code located at
https://boringssl.googlesource.com/boringssl/+/refs/heads/master/crypto/mldsa/mldsa.cc
Instead of c++ templates it uses an ML_DSA_PARAMS object to store constants such as k & l.
To perform hash operations a temporary EVP_MD_CTX object is used, which is supplied with a
prefetched EVP_MD shake128 or shake256 object that reside in the ML_DSA_KEY object.
The ML_DSA_KEY object stores the encoded public and/or private key
whenever a key is loaded or generated. A public key is always present
if the private key component exists.
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/26127)
Eugene Syromiatnikov
Daniel Frink
openssl-machine
slontis