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b077aed33b
Migrate to OpenSSL 3.0 in advance of FreeBSD 14.0. OpenSSL 1.1.1 (the version we were previously using) will be EOL as of 2023-09-11. Most of the base system has already been updated for a seamless switch to OpenSSL 3.0. For many components we've added `-DOPENSSL_API_COMPAT=0x10100000L` to CFLAGS to specify the API version, which avoids deprecation warnings from OpenSSL 3.0. Changes have also been made to avoid OpenSSL APIs that were already deprecated in OpenSSL 1.1.1. The process of updating to contemporary APIs can continue after this merge. Additional changes are still required for libarchive and Kerberos- related libraries or tools; workarounds will immediately follow this commit. Fixes are in progress in the upstream projects and will be incorporated when those are next updated. There are some performance regressions in benchmarks (certain tests in `openssl speed`) and in some OpenSSL consumers in ports (e.g. haproxy). Investigation will continue for these. Netflix's testing showed no functional regression and a rather small, albeit statistically significant, increase in CPU consumption with OpenSSL 3.0. Thanks to ngie@ and des@ for updating base system components, to antoine@ and bofh@ for ports exp-runs and port fixes/workarounds, and to Netflix and everyone who tested prior to commit or contributed to this update in other ways. PR: 271615 PR: 271656 [exp-run] Relnotes: Yes Sponsored by: The FreeBSD Foundation
49 lines
1.4 KiB
Text
49 lines
1.4 KiB
Text
=pod
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=head1 NAME
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CMS_EncryptedData_decrypt
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- Decrypt CMS EncryptedData
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=head1 SYNOPSIS
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#include <openssl/cms.h>
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int CMS_EncryptedData_decrypt(CMS_ContentInfo *cms,
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const unsigned char *key, size_t keylen,
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BIO *dcont, BIO *out, unsigned int flags);
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=head1 DESCRIPTION
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CMS_EncryptedData_decrypt() decrypts a I<cms> EncryptedData object using the
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symmetric I<key> of size I<keylen> bytes. I<out> is a BIO to write the content
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to and I<flags> is an optional set of flags.
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I<dcont> is used in the rare case where the encrypted content is detached. It
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will normally be set to NULL.
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The following flags can be passed in the I<flags> parameter.
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If the B<CMS_TEXT> flag is set MIME headers for type C<text/plain> are deleted
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from the content. If the content is not of type C<text/plain> then an error is
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returned.
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=head1 RETURN VALUES
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CMS_EncryptedData_decrypt() returns 0 if an error occurred otherwise it
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returns 1.
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=head1 SEE ALSO
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L<ERR_get_error(3)>, L<CMS_EncryptedData_encrypt(3)>
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=head1 COPYRIGHT
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Copyright 2020-2023 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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