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openssl-3.4.1: Applied our changes, regenerated files, added missing files and functions. This time with a three way merge. bugref:10890
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| 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_CIPHER-NULL - The NULL EVP_CIPHER 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 a NULL symmetric encryption using the B<EVP_CIPHER> API.
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| 10 | This is used when the TLS cipher suite is TLS_NULL_WITH_NULL_NULL.
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| 11 | This does no encryption (just copies the data) and has a mac size of zero.
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| 12 |
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| 13 | =head2 Algorithm Name
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| 14 |
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| 15 | The following algorithm is available in the default provider:
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| 16 |
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| 17 | =over 4
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| 18 |
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| 19 | =item "NULL"
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| 20 |
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| 21 | =back
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| 22 |
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| 23 | =head2 Parameters
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| 24 |
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| 25 | This implementation supports the following parameters:
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| 26 |
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| 27 | =head3 Gettable EVP_CIPHER parameters
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| 28 |
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| 29 | See L<EVP_EncryptInit(3)/Gettable EVP_CIPHER parameters>
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| 30 |
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| 31 | =head3 Gettable EVP_CIPHER_CTX parameters
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| 32 |
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| 33 | =over 4
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| 34 |
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| 35 | =item "keylen" (B<OSSL_CIPHER_PARAM_KEYLEN>) <unsigned integer>
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| 36 |
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| 37 | =item "ivlen" (B<OSSL_CIPHER_PARAM_IVLEN> and <B<OSSL_CIPHER_PARAM_AEAD_IVLEN>) <unsigned integer>
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| 38 |
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| 39 | =item "tls-mac" (B<OSSL_CIPHER_PARAM_TLS_MAC>) <octet ptr>
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| 40 |
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| 41 | =back
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| 42 |
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| 43 | See L<EVP_EncryptInit(3)/PARAMETERS> for further information.
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| 44 |
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| 45 | =head3 Settable EVP_CIPHER_CTX parameters
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| 46 |
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| 47 | =over 4
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| 48 |
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| 49 | =item "tls-mac-size" (B<OSSL_CIPHER_PARAM_TLS_MAC_SIZE>) <unsigned integer>
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| 50 |
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| 51 | =back
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| 52 |
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| 53 | See L<EVP_EncryptInit(3)/PARAMETERS> for further information.
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| 54 |
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| 55 | =head1 CONFORMING TO
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| 56 |
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| 57 | RFC 5246 section-6.2.3.1
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| 58 |
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| 59 | =head1 SEE ALSO
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| 60 |
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| 61 | L<provider-cipher(7)>, L<OSSL_PROVIDER-default(7)>
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| 62 |
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| 63 | =head1 COPYRIGHT
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| 64 |
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| 65 | Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
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| 66 |
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| 67 | Licensed under the Apache License 2.0 (the "License"). You may not use
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| 68 | this file except in compliance with the License. You can obtain a copy
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| 69 | in the file LICENSE in the source distribution or at
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| 70 | L<https://www.openssl.org/source/license.html>.
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| 71 |
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| 72 | =cut
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