Add documentation for key validation that indicates the difference between the
EVP_PKEY_XXX_check() calls for the default and fips providers.

Reviewed-by: Tomas Mraz <tomas@openssl.org>

Add documentation for key validation that indicates the difference between the
EVP_PKEY_XXX_check() calls for the default and fips providers.

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18235)

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Make EVP_PKEY_check() be an alias for EVP_PKEY_pairwise_check()

The implementation of EVP_PKEY_pairwise_check() is also changed
to handle the legacy keys.

Fixes #16046

Make EVP_PKEY_check() be an alias for EVP_PKEY_pairwise_check()

The implementation of EVP_PKEY_pairwise_check() is also changed
to handle the legacy keys.

Fixes #16046

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/16069)

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Add a CHANGES entry for EVP_PKEY_public_check() and EVP_KEY_param_check()

These functions now work for more key types than they did in 1.1.1

Fixes #14477

Reviewed-by: Paul

Add a CHANGES entry for EVP_PKEY_public_check() and EVP_KEY_param_check()

These functions now work for more key types than they did in 1.1.1

Fixes #14477

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/14485)

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Add EVP_PKEY_public_check_quick.

Adding the EVP_PKEY_param_check_quick() reminded me that there are also
partial checks for public keys as part of SP800-56A for FFC (DH named safe
pr

Add EVP_PKEY_public_check_quick.

Adding the EVP_PKEY_param_check_quick() reminded me that there are also
partial checks for public keys as part of SP800-56A for FFC (DH named safe
prime groups) and ECC. The code was mainly already there and just needed
to be plumbed into the validate methods.

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14206)

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Update copyright year

Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14235)

Document the newly added function EVP_PKEY_param_check_quick()

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

Document the newly added function EVP_PKEY_param_check_quick()

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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DOCS: Improve documentation of the EVP_PKEY type

This type was previously described in a note, which is hard to find
unless you already know where to look.

This change makes the

DOCS: Improve documentation of the EVP_PKEY type

This type was previously described in a note, which is hard to find
unless you already know where to look.

This change makes the description more prominent, and allows indexing
by adding it in the NAMES section.

The EVP_PKEY description is altered to conceptually allow an EVP_PKEY
to contain a private key without a corresponding public key. This is
related to an OTC vote:

https://mta.openssl.org/pipermail/openssl-project/2020-December/002474.html

The description of EVP_PKEY for MAC purposes is amended to fit.

Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/13629)

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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)