| 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_mdc2
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| 6 | - MDC-2 For EVP
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| 7 |
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| 8 | =head1 SYNOPSIS
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| 9 |
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| 10 | #include <openssl/evp.h>
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| 11 |
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| 12 | const EVP_MD *EVP_mdc2(void);
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| 13 |
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| 14 | =head1 DESCRIPTION
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| 15 |
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| 16 | MDC-2 (Modification Detection Code 2 or Meyer-Schilling) is a cryptographic
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| 17 | hash function based on a block cipher. This implementation is only available
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| 18 | with the legacy provider.
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| 19 |
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| 20 | =over 4
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| 21 |
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| 22 | =item EVP_mdc2()
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| 23 |
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| 24 | The MDC-2DES algorithm of using MDC-2 with the DES block cipher. It produces a
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| 25 | 128-bit output from a given input.
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| 26 |
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| 27 | =back
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| 28 |
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| 29 | =head1 RETURN VALUES
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| 30 |
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| 31 | These functions return a B<EVP_MD> structure that contains the
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| 32 | implementation of the message digest. See L<EVP_MD_meth_new(3)> for
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| 33 | details of the B<EVP_MD> structure.
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| 34 |
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| 35 | =head1 CONFORMING TO
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| 36 |
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| 37 | ISO/IEC 10118-2:2000 Hash-Function 2, with DES as the underlying block cipher.
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| 38 |
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| 39 | =head1 SEE ALSO
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| 40 |
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| 41 | L<evp(7)>,
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| 42 | L<provider(7)>,
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| 43 | L<EVP_DigestInit(3)>
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| 44 |
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| 45 | =head1 COPYRIGHT
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| 46 |
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| 47 | Copyright 2017-2022 The OpenSSL Project Authors. All Rights Reserved.
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| 48 |
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| 49 | Licensed under the Apache License 2.0 (the "License"). You may not use
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| 50 | this file except in compliance with the License. You can obtain a copy
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| 51 | in the file LICENSE in the source distribution or at
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| 52 | L<https://www.openssl.org/source/license.html>.
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| 53 |
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| 54 | =cut
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| 55 |
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