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openssl/doc/man7/EVP_KDF-X942-CONCAT.pod

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Add EVP_KDF-X942 to the fips module The X942 KDF had been modified so that it supports all optional fields - not just the fields used by CMS. As there are 2 types of KDF for X942 - this has been made a bit clearer by adding an X942KDF-ASN1 alias. X942KDF-CONCAT has also been added as an alias of X963KDF. This work was instigated as a result of the ACVP tests optionally being able to use keybits for the supp_pubinfo field. Setting the parameter OSSL_KDF_PARAM_X942_USE_KEYBITS to 0 allows this to be disabled. Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org> (Merged from https://github.com/openssl/openssl/pull/13418)
2020-11-16 10:42:18 +08:00
=pod
=head1 NAME
EVP_KDF-X942-CONCAT - The X942 Concat EVP_KDF implementation
=head1 DESCRIPTION
The EVP_KDF-X942-CONCAT algorithm is identical to EVP_KDF-X963. It is
used for key agreement to derive a key using input such as a shared secret key
and shared info.
=head2 Identity
"X942KDF_CONCAT" is the name for this implementation; it
can be used with the EVP_KDF_fetch() function.
This is an alias for "X963KDF".
doc: add missing link directive in X942 KDF Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Matt Caswell <matt@openssl.org> Reviewed-by: Shane Lontis <shane.lontis@oracle.com> (Merged from https://github.com/openssl/openssl/pull/16203)
2021-08-02 10:18:42 +08:00
See L<EVP_KDF-X963(7)> for a list of supported parameters and examples.
Add EVP_KDF-X942 to the fips module The X942 KDF had been modified so that it supports all optional fields - not just the fields used by CMS. As there are 2 types of KDF for X942 - this has been made a bit clearer by adding an X942KDF-ASN1 alias. X942KDF-CONCAT has also been added as an alias of X963KDF. This work was instigated as a result of the ACVP tests optionally being able to use keybits for the supp_pubinfo field. Setting the parameter OSSL_KDF_PARAM_X942_USE_KEYBITS to 0 allows this to be disabled. Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org> (Merged from https://github.com/openssl/openssl/pull/13418)
2020-11-16 10:42:18 +08:00
=head1 HISTORY
Add missing HISTORY sections for OpenSSL 3.0 related documents. Reviewed-by: Paul Dale <pauli@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/19690)
2022-11-17 05:26:06 +08:00
This functionality was added in OpenSSL 3.0.
Add EVP_KDF-X942 to the fips module The X942 KDF had been modified so that it supports all optional fields - not just the fields used by CMS. As there are 2 types of KDF for X942 - this has been made a bit clearer by adding an X942KDF-ASN1 alias. X942KDF-CONCAT has also been added as an alias of X963KDF. This work was instigated as a result of the ACVP tests optionally being able to use keybits for the supp_pubinfo field. Setting the parameter OSSL_KDF_PARAM_X942_USE_KEYBITS to 0 allows this to be disabled. Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org> (Merged from https://github.com/openssl/openssl/pull/13418)
2020-11-16 10:42:18 +08:00
=head1 COPYRIGHT
Update copyright year Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/16534) (cherry picked from commit 54d987b92ce57c1cc38c6d9b6bf879b003f4cbd4)
2021-09-07 19:29:33 +08:00
Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
Add EVP_KDF-X942 to the fips module The X942 KDF had been modified so that it supports all optional fields - not just the fields used by CMS. As there are 2 types of KDF for X942 - this has been made a bit clearer by adding an X942KDF-ASN1 alias. X942KDF-CONCAT has also been added as an alias of X963KDF. This work was instigated as a result of the ACVP tests optionally being able to use keybits for the supp_pubinfo field. Setting the parameter OSSL_KDF_PARAM_X942_USE_KEYBITS to 0 allows this to be disabled. Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org> (Merged from https://github.com/openssl/openssl/pull/13418)
2020-11-16 10:42:18 +08:00
Licensed under the Apache License 2.0 (the "License"). You may not use
this file except in compliance with the License. You can obtain a copy
in the file LICENSE in the source distribution or at
L<https://www.openssl.org/source/license.html>.
=cut