Hey Matt,
thanks, that seems to be it! I've set up a params list in keymanagement
with:
static const OSSL_PARAM keymgmt_params[] = {
OSSL_PARAM_int(OSSL_PKEY_PARAM_MAX_SIZE, &_ed25519_keysize),
OSSL_PARAM_END
};
static const OSSL_PARAM* keymgmt_gettable_params(ossl_unused void *provctx)
{
return keymgmt_params;
}
but still the OSSL_FUNC_KEYMGMT_GET_PARAMS only returns two prefilled
params:
* default-digest
* mandatory-digest
but has not the "max-size" param. Why would that be?
All the best,
Bernd
Am 08.08.24 um 10:44 schrieb Matt Caswell:
On Thu, Aug 8, 2024 at 7:34 AM 'Bernd Ritter' via openssl-users
<openssl-users@xxxxxxxxxxx <mailto:openssl-users@xxxxxxxxxxx>> wrote:
> error:030000A7:digital envelope routines::unknown max size
That error comes from here:
https://github.com/openssl/openssl/blob/fd39d1c80cd5bd9cb5c64e3fc96102397e5e860f/crypto/evp/p_lib.c#L1811-L1827 <https://github.com/openssl/openssl/blob/fd39d1c80cd5bd9cb5c64e3fc96102397e5e860f/crypto/evp/p_lib.c#L1811-L1827>
So something is attempting to determine the size of a pkey and found it
to be invalid.
This value should be returned by the keymgmt get_params function for the
parameter OSSL_PKEY_PARAM_MAX_SIZE
See:
https://docs.openssl.org/master/man7/provider-keymgmt/#common-information-parameters <https://docs.openssl.org/master/man7/provider-keymgmt/#common-information-parameters>
and
https://docs.openssl.org/master/man3/EVP_PKEY_get_size/#description
<https://docs.openssl.org/master/man3/EVP_PKEY_get_size/#description>
Matt
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