| 1 | =pod
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| 2 |
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| 3 | =head1 NAME
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| 4 |
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| 5 | EVP_MD-SHA2 - The SHA2 EVP_MD implementation
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| 6 |
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| 7 | =head1 DESCRIPTION
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| 8 |
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| 9 | Support for computing SHA2 digests through the B<EVP_MD> API.
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| 10 |
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| 11 | =head2 Identities
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| 12 |
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| 13 | This implementation includes the following varieties:
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| 14 |
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| 15 | =over 4
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| 16 |
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| 17 | =item *
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| 18 |
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| 19 | Available with the FIPS provider as well as the default provider:
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| 20 |
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| 21 | =over 4
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| 22 |
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| 23 | =item SHA2-224
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| 24 |
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| 25 | Known names are "SHA2-224", "SHA-224" and "SHA224".
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| 26 |
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| 27 | =item SHA2-256
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| 28 |
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| 29 | Known names are "SHA2-256", "SHA-256" and "SHA256".
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| 30 |
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| 31 | =item SHA2-384
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| 32 |
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| 33 | Known names are "SHA2-384", "SHA-384" and "SHA384".
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| 34 |
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| 35 | =item SHA2-512
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| 36 |
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| 37 | Known names are "SHA2-512", "SHA-512" and "SHA512".
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| 38 |
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| 39 | =back
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| 40 |
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| 41 | =item *
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| 42 |
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| 43 | Available with the default provider:
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| 44 |
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| 45 | =over 4
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| 46 |
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| 47 | =item SHA2-512/224
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| 48 |
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| 49 | Known names are "SHA2-512/224", "SHA-512/224" and "SHA512-224".
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| 50 |
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| 51 | =item SHA2-512/256
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| 52 |
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| 53 | Known names are "SHA2-512/256", "SHA-512/256" and "SHA512-256".
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| 54 |
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| 55 | =back
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| 56 |
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| 57 | =back
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| 58 |
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| 59 | =head2 Gettable Parameters
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| 60 |
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| 61 | This implementation supports the common gettable parameters described
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| 62 | in L<EVP_MD-common(7)>.
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| 63 |
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| 64 | =head1 SEE ALSO
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| 65 |
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| 66 | L<provider-digest(7)>, L<OSSL_PROVIDER-FIPS(7)>, L<OSSL_PROVIDER-default(7)>
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| 67 |
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| 68 | =head1 COPYRIGHT
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| 69 |
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| 70 | Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.
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| 71 |
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| 72 | Licensed under the Apache License 2.0 (the "License"). You may not use
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| 73 | this file except in compliance with the License. You can obtain a copy
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| 74 | in the file LICENSE in the source distribution or at
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| 75 | L<https://www.openssl.org/source/license.html>.
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| 76 |
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| 77 | =cut
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