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https://github.com/CloverHackyColor/CloverBootloader.git
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88 lines
2.8 KiB
Plaintext
88 lines
2.8 KiB
Plaintext
=pod
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=head1 NAME
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X509_get_pubkey, X509_get0_pubkey, X509_set_pubkey, X509_get_X509_PUBKEY,
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X509_REQ_get_pubkey, X509_REQ_get0_pubkey, X509_REQ_set_pubkey,
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X509_REQ_get_X509_PUBKEY - get or set certificate or certificate request
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public key
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=head1 SYNOPSIS
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#include <openssl/x509.h>
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EVP_PKEY *X509_get_pubkey(X509 *x);
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EVP_PKEY *X509_get0_pubkey(const X509 *x);
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int X509_set_pubkey(X509 *x, EVP_PKEY *pkey);
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X509_PUBKEY *X509_get_X509_PUBKEY(const X509 *x);
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EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req);
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EVP_PKEY *X509_REQ_get0_pubkey(X509_REQ *req);
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int X509_REQ_set_pubkey(X509_REQ *x, EVP_PKEY *pkey);
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X509_PUBKEY *X509_REQ_get_X509_PUBKEY(X509_REQ *x);
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=head1 DESCRIPTION
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X509_get_pubkey() attempts to decode the public key for certificate B<x>. If
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successful it returns the public key as an B<EVP_PKEY> pointer with its
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reference count incremented: this means the returned key must be freed up
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after use. X509_get0_pubkey() is similar except it does B<not> increment
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the reference count of the returned B<EVP_PKEY> so it must not be freed up
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after use.
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X509_get_X509_PUBKEY() returns an internal pointer to the B<X509_PUBKEY>
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structure which encodes the certificate of B<x>. The returned value
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must not be freed up after use.
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X509_set_pubkey() attempts to set the public key for certificate B<x> to
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B<pkey>. The key B<pkey> should be freed up after use.
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X509_REQ_get_pubkey(), X509_REQ_get0_pubkey(), X509_REQ_set_pubkey() and
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X509_REQ_get_X509_PUBKEY() are similar but operate on certificate request B<req>.
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=head1 NOTES
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The first time a public key is decoded the B<EVP_PKEY> structure is
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cached in the certificate or certificate request itself. Subsequent calls
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return the cached structure with its reference count incremented to
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improve performance.
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=head1 RETURN VALUES
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X509_get_pubkey(), X509_get0_pubkey(), X509_get_X509_PUBKEY(),
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X509_REQ_get_pubkey() and X509_REQ_get_X509_PUBKEY() return a public key or
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B<NULL> if an error occurred.
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X509_set_pubkey() and X509_REQ_set_pubkey() return 1 for success and 0
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for failure.
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=head1 SEE ALSO
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L<d2i_X509(3)>,
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L<ERR_get_error(3)>,
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L<X509_CRL_get0_by_serial(3)>,
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L<X509_get0_signature(3)>,
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L<X509_get_ext_d2i(3)>,
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L<X509_get_extension_flags(3)>,
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L<X509_get_subject_name(3)>,
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L<X509_get_version(3)>,
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L<X509_NAME_add_entry_by_txt(3)>,
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L<X509_NAME_ENTRY_get_object(3)>,
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L<X509_NAME_get_index_by_NID(3)>,
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L<X509_NAME_print_ex(3)>,
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L<X509_new(3)>,
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L<X509_sign(3)>,
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L<X509V3_get_d2i(3)>,
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L<X509_verify_cert(3)>
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=head1 COPYRIGHT
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Copyright 2015-2021 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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