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=pod
=head1 NAME
EVP_KEM-RSA
- EVP_KEM RSA keytype and algorithm support
=head1 DESCRIPTION
The B<RSA> keytype and its parameters are described in L<EVP_PKEY-RSA(7)>.
See L<EVP_PKEY_encapsulate(3)> and L<EVP_PKEY_decapsulate(3)> for more info.
=head2 RSA KEM parameters
=over 4
=item "operation" (B<OSSL_KEM_PARAM_OPERATION>) <UTF8 string>
The OpenSSL RSA Key Encapsulation Mechanism only currently supports the
following operation
=over 4
=item "RSASVE"
The encapsulate function simply generates a secret using random bytes and then
encrypts the secret using the RSA public key (with no padding).
The decapsulate function recovers the secret using the RSA private key.
=back
This can be set using EVP_PKEY_CTX_set_kem_op().
=back
=head1 CONFORMING TO
=over 4
=item SP800-56Br2
Section 7.2.1.2 RSASVE Generate Operation (RSASVE.GENERATE).
Section 7.2.1.3 RSASVE Recovery Operation (RSASVE.RECOVER).
=back
=head1 SEE ALSO
L<EVP_PKEY_CTX_set_kem_op(3)>,
L<EVP_PKEY_encapsulate(3)>,
L<EVP_PKEY_decapsulate(3)>
L<EVP_KEYMGMT(3)>,
L<EVP_PKEY(3)>,
L<provider-keymgmt(7)>
=head1 COPYRIGHT
Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.
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
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