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=pod
=head1 NAME
EVP_MD-SHA2 - The SHA2 EVP_MD implementation
=head1 DESCRIPTION
Support for computing SHA2 digests through the B<EVP_MD> API.
=head2 Identities
This implementation includes the following varieties:
=over 4
=item *
Available with the FIPS provider as well as the default provider:
=over 4
=item SHA2-224
Known names are "SHA2-224", "SHA-224" and "SHA224".
=item SHA2-256
Known names are "SHA2-256", "SHA-256" and "SHA256".
=item SHA2-384
Known names are "SHA2-384", "SHA-384" and "SHA384".
=item SHA2-512
Known names are "SHA2-512", "SHA-512" and "SHA512".
=back
=item *
Available with the default provider:
=over 4
=item SHA2-256/192
Known names are "SHA2-256/192", "SHA-256/192" and "SHA256-192".
=item SHA2-512/224
Known names are "SHA2-512/224", "SHA-512/224" and "SHA512-224".
=item SHA2-512/256
Known names are "SHA2-512/256", "SHA-512/256" and "SHA512-256".
=back
=back
=head2 Gettable Parameters
This implementation supports the common gettable parameters described
in L<EVP_MD-common(7)>.
=head1 SEE ALSO
L<provider-digest(7)>, L<OSSL_PROVIDER-FIPS(7)>, L<OSSL_PROVIDER-default(7)>
=head1 COPYRIGHT
Copyright 2020-2023 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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