Implement EVP_PKEY_param_check_quick() and use it in libssl

The low level DH API has two functions for checking parameters:
DH_check_ex() and DH_check_params_ex(). The former does a "ful

Implement EVP_PKEY_param_check_quick() and use it in libssl

The low level DH API has two functions for checking parameters:
DH_check_ex() and DH_check_params_ex(). The former does a "full" check,
while the latter does a "quick" check. Most importantly it skips the
check for a safe prime. We're ok without using safe primes here because
we're doing ephemeral DH.

Now that libssl is fully using the EVP API, we need a way to specify that
we want a quick check instead of a full check. Therefore we introduce
EVP_PKEY_param_check_quick() and use it.

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/14146)

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Constify OSSL_FUNC_keymgmt_validate()

The keydata argument of OSSL_FUNC_keymgmt_validate() should be read-only.

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from

Constify OSSL_FUNC_keymgmt_validate()

The keydata argument of OSSL_FUNC_keymgmt_validate() should be read-only.

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/13201)

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Constify OSSL_FUNC_keymgmt_has()

The keydata argument of OSSL_FUNC_keymgmt_has() should be read-only.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Paul Dale <

Constify OSSL_FUNC_keymgmt_has()

The keydata argument of OSSL_FUNC_keymgmt_has() should be read-only.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/13200)

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gettables: documentation changes to pass the provider context.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/12581)

KEYMGMT: Add key loading function OSSL_FUNC_keymgmt_load()

This function is used to create a keydata for a key that libcrypto
only has a reference to.

This introduces provider r

KEYMGMT: Add key loading function OSSL_FUNC_keymgmt_load()

This function is used to create a keydata for a key that libcrypto
only has a reference to.

This introduces provider references, the contents which only the
provider know how to interpret. Outside of the provider, this is just
an array of bytes.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12410)

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Make the naming scheme for dispatched functions more consistent

The new naming scheme consistently usese the `OSSL_FUNC_` prefix for all
functions which are dispatched between the core a

Make the naming scheme for dispatched functions more consistent

The new naming scheme consistently usese the `OSSL_FUNC_` prefix for all
functions which are dispatched between the core and providers.

This change includes in particular all up- and downcalls, i.e., the
dispatched functions passed from core to provider and vice versa.

- OSSL_core_ -> OSSL_FUNC_core_
- OSSL_provider_ -> OSSL_FUNC_core_

For operations and their function dispatch tables, the following convention
is used:

Type | Name (evp_generic_fetch(3)) |
---------------------|-----------------------------------|
operation | OSSL_OP_FOO |
function id | OSSL_FUNC_FOO_FUNCTION_NAME |
function "name" | OSSL_FUNC_foo_function_name |
function typedef | OSSL_FUNC_foo_function_name_fn |
function ptr getter | OSSL_FUNC_foo_function_name |

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/12222)

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Rename <openssl/core_numbers.h> -> <openssl/core_dispatch.h>

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/12222)

Remove gen_get_params & gen_gettable_params from keygen operation

EVP_PKEY_CTX_gettable_params() was missing code for the keygen operation.
After adding it it was noticed that it is prob

Remove gen_get_params & gen_gettable_params from keygen operation

EVP_PKEY_CTX_gettable_params() was missing code for the keygen operation.
After adding it it was noticed that it is probably not required for this type, so instead
the gen_get_params and gen_gettable_params have been remnoved from the provider interface.
gen_get_params was only implemented for ec to get the curve name. This seems redundant
since normally you would set parameters into the keygen_init() and then generate a key.
Normally you would expect to extract data from the key - not the object that we just set up
to do the keygen.

Added a simple settable and gettable test into a test that does keygen.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11683)

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DOC: Refactor provider-keymgmt(7) to give the keytypes their own pages

Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/11546)

Add DSA keygen to provider

Moved some shared FFC code into the FFC files.
Added extra paramgen parameters for seed, gindex.
Fixed bug in ossl_prov util to print bignums.

Rev

Add DSA keygen to provider

Moved some shared FFC code into the FFC files.
Added extra paramgen parameters for seed, gindex.
Fixed bug in ossl_prov util to print bignums.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11303)

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KEYMGMT: Add functions to get param/key generation parameters

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Nicola Tuveri <nic.tuv@gmail.com>
(Merged from https://github.

KEYMGMT: Add functions to get param/key generation parameters

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Nicola Tuveri <nic.tuv@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/11328)

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Add EVP_PKEY_gettable_params support for accessing EVP_PKEY key data fields

Currently only RSA, EC and ECX are supported (DH and DSA need to be added to the keygen
PR's seperately becaus

Add EVP_PKEY_gettable_params support for accessing EVP_PKEY key data fields

Currently only RSA, EC and ECX are supported (DH and DSA need to be added to the keygen
PR's seperately because the fields supported have changed significantly).

The API's require the keys to be provider based.

Made the keymanagement export and get_params functions share the same code by supplying
support functions that work for both a OSSL_PARAM_BLD as well as a OSSL_PARAM[].
This approach means that complex code is not required to build an
empty OSSL_PARAM[] with the correct sized fields before then doing a second
pass to populate the array.

The RSA factor arrays have been changed to use unique key names to simplify the interface
needed by the user.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11365)

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CORE: Add the key object generator libcrypto<->provider interface

We introduce these dispatched functions:

- OP_keymgmt_gen_init() to initialize the key object generation.
-

CORE: Add the key object generator libcrypto<->provider interface

We introduce these dispatched functions:

- OP_keymgmt_gen_init() to initialize the key object generation.
- OP_keymgmt_gen_set_template() to set a template for key object
generation. The template is another key object, for example one
with domain parameters.
- OP_keymgmt_gen_set_params() to set other key object generation
parameters.
- OP_keymgmt_gen_settable_params() to find out what settable
parameters there are.
- OP_keymgmt_gen() to perform the key object generation.
- OP_keymgmt_gen_cleanup() to clean up the key object generation.

Internal function for easy and consistent use of these ddispatched
functions are added.

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/10289)

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DOCS: Fix documentation on asymmetric keydata types

Some type specs didn't correspond to actual use.

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://git

DOCS: Fix documentation on asymmetric keydata types

Some type specs didn't correspond to actual use.

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/11275)

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Add Serializers for EC

Provide EC serializers for text, pem and der.

EC parameters use ANS1 'CHOICE' - which means they are more embedded than other parameters used by
other KEY

Add Serializers for EC

Provide EC serializers for text, pem and der.

EC parameters use ANS1 'CHOICE' - which means they are more embedded than other parameters used by
other KEY types (which normally have a SEQUENCE at the top level).
For this reason the ANS1_STRING type that was being passed around has been changed to a void so that the
code can still be shared with EC.

The EC serializer only supports named curves currently.

NOTE the serializer code assumes PKCS8 format - if the older encode methods are needed they will need to be
added in another PR. (Probably when deserialization is considered).

EVP_PKEY_key_fromdata_init was changed from using a keypair selection to all bits of a key. A side effect of this was
that the very restrictive checks in the ecx code needed to be relaxed as it was assuming all selection flags were non
optional. As this is not the case for any other key the code has been modified.

Fixed a bug in legacy_ctrl_str_to_params() - "ecdh_cofactor_mode" was being incorrectly converted to the wrong keyname.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11107)

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KEYMGMT: Add a keydata copy function

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/11158)

KEYMGMT: Add a keydata matching function

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/11158)

Implement the ECX Serializers

Provide serializers for X25519 and X448 for text, pem and der. There are
no parameter serializers because there are no parameters for these
algorithms.

Implement the ECX Serializers

Provide serializers for X25519 and X448 for text, pem and der. There are
no parameter serializers because there are no parameters for these
algorithms.

Add some documentation about the various import/export types available
Add additional testing for the serializers

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/11095)

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[PROV][EC] Update documentation

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>

[PROV][EC] Update documentation

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/10631)

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Redesign the KEYMGMT libcrypto <-> provider interface - the basics

The KEYMGMT libcrypto <-> provider interface currently makes a few
assumptions:

1. provider side domain param

Redesign the KEYMGMT libcrypto <-> provider interface - the basics

The KEYMGMT libcrypto <-> provider interface currently makes a few
assumptions:

1. provider side domain parameters and key data isn't mutable. In
other words, as soon as a key has been created in any (loaded,
imported data, ...), it's set in stone.
2. provider side domain parameters can be strictly separated from the
key data.

This does work for the most part, but there are places where that's a
bit too rigid for the functionality that the EVP_PKEY API delivers.
Key data needs to be mutable to allow the flexibility that functions
like EVP_PKEY_copy_parameters promise, as well as to provide the
combinations of data that an EVP_PKEY is generally assumed to be able
to hold:

- domain parameters only
- public key only
- public key + private key
- domain parameters + public key
- domain parameters + public key + private key

To remedy all this, we:

1. let go of the distinction between domain parameters and key
material proper in the libcrypto <-> provider interface.

As a consequence, functions that still need it gain a selection
argument, which is a set of bits that indicate what parts of the
key object are to be considered in a specific call. This allows
a reduction of very similar functions into one.

2. Rework the libcrypto <-> provider interface so provider side key
objects are created and destructed with a separate function, and
get their data filled and extracted in through import and export.

(future work will see other key object constructors and other
functions to fill them with data)

Fixes #10979

squash! Redesign the KEYMGMT libcrypto <-> provider interface - the basics

Remedy 1 needs a rewrite:

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/11006)

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Add RSA key validation to default provider

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10780)

EVP: make EVP_PKEY_{bits,security_bits,size} work with provider only keys

These functions relied entirely on the presence of 'pkey->pmeth',
which is NULL on provider only keys. This add

EVP: make EVP_PKEY_{bits,security_bits,size} work with provider only keys

These functions relied entirely on the presence of 'pkey->pmeth',
which is NULL on provider only keys. This adds an interface to get
domparam and key data from a provider, given corresponding provider
data (the actual domparam or key).

The retrieved data is cached in the EVP_PKEY structure (lending the
idea from provided EVP_CIPHER).

Reviewed-by: Nicola Tuveri <nic.tuv@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/10778)

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CORE & EVP: Specify OP_query_operation_name() for KEYMGMT

This will allow keymgmt implementation for key types that need it to
specify the names of the diverse operation algorithms it ca

CORE & EVP: Specify OP_query_operation_name() for KEYMGMT

This will allow keymgmt implementation for key types that need it to
specify the names of the diverse operation algorithms it can be used
with. Currently, only one name per key type and operation is allowed.

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/10647)

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Document the provider DIGEST operation

Extends the existing provider documentation with information about the
DIGEST operation. This is primarily for provider authors.

Reviewed-

Document the provider DIGEST operation

Extends the existing provider documentation with information about the
DIGEST operation. This is primarily for provider authors.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9453)

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provider-keymgmt(7): Document the KEYMGMT interface

Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/9429)