A key type may be deserialized from one of several sources, which
means that more than one deserializer with the same name should be
possible to add to the stack of deserializers to try, in the
OSSL_DESERIALIZER_CTX collection.
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12574)
When the keymgmt provider and the deserializer provider differ,
deserialization uses the deserializer export function instead of the
keymgmt load, with a selection of what parts should be exported. That
selection was set to OSSL_KEYMGMT_SELECT_ALL_PARAMETERS when it should
have been OSSL_KEYMGMT_SELECT_ALL.
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12571)
It's not the best idea to set a whole bunch of parameters in one call,
that leads to functions that are hard to update. Better to re-model
this into several function made to set one parameter each.
This also renames "finalizer" to "constructor", which was suggested
earlier but got lost at the time.
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12544)
The OSSL_DESERIALIZER API makes the incorrect assumption that the
caller must cipher and other pass phrase related parameters to the
individual desserializer implementations, when the reality is that
they only need a passphrase callback, and will be able to figure out
the rest themselves from the input they get.
We simplify it further by never passing any explicit passphrase to the
provider implementation, and simply have them call the passphrase
callback unconditionally when they need, leaving it to libcrypto code
to juggle explicit passphrases, cached passphrases and actual
passphrase callback calls.
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12544)
This implements these functions:
OSSL_DESERIALIZER_CTX_set_cipher()
OSSL_DESERIALIZER_CTX_set_passphrase()
OSSL_DESERIALIZER_CTX_set_passphrase_ui()
OSSL_DESERIALIZER_CTX_set_passphrase_cb()
To be able to deal with multiple deserializers trying to work on the
same byte array and wanting to decrypt it while doing so, the
deserializer caches the passphrase. This cache is cleared at the end
of OSSL_DESERIALIZER_from_bio().
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12410)
EVP_PKEY is the fundamental type for provider side code, so we
implement specific support for it, in form of a special context
constructor.
This constructor looks up and collects all available KEYMGMT
implementations, and then uses those names to collect deserializer
implementations, as described in the previous commit.
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12410)
