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317acac5cc
Also slightly improve the style of the respective code in crypto/x509/v3_san.c. Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/17145)
68 lines
2.5 KiB
Plaintext
68 lines
2.5 KiB
Plaintext
=pod
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=head1 NAME
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X509V3_set_ctx,
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X509V3_set_issuer_pkey - X.509 v3 extension generation utilities
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=head1 SYNOPSIS
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#include <openssl/x509v3.h>
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void X509V3_set_ctx(X509V3_CTX *ctx, X509 *issuer, X509 *subject,
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X509_REQ *req, X509_CRL *crl, int flags);
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int X509V3_set_issuer_pkey(X509V3_CTX *ctx, EVP_PKEY *pkey);
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=head1 DESCRIPTION
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X509V3_set_ctx() fills in the basic fields of I<ctx> of type B<X509V3_CTX>,
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providing details potentially needed by functions producing X509 v3 extensions,
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e.g., to look up values for filling in authority key identifiers.
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Any of I<subject>, I<req>, or I<crl> may be provided, pointing to a certificate,
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certification request, or certificate revocation list, respectively.
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When constructing the subject key identifier of a certificate by computing a
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hash value of its public key, the public key is taken from I<subject> or I<req>.
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Similarly, when constructing subject alternative names from any email addresses
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contained in a subject DN, the subject DN is taken from I<subject> or I<req>.
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If I<subject> or I<crl> is provided, I<issuer> should point to its issuer,
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for instance to help generating an authority key identifier extension.
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Note that if I<subject> is provided, I<issuer> may be the same as I<subject>,
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which means that I<subject> is self-issued (or even self-signed).
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I<flags> may be 0
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or contain B<X509V3_CTX_TEST>, which means that just the syntax of
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extension definitions is to be checked without actually producing an extension,
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or B<X509V3_CTX_REPLACE>, which means that each X.509v3 extension added as
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defined in some configuration section shall replace any already existing
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extension with the same OID.
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X509V3_set_issuer_pkey() explicitly sets the issuer private key of
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the certificate that has been provided in I<ctx>.
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This should be done for self-issued certificates (which may be self-signed
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or not) to provide fallback data for the authority key identifier extension.
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=head1 RETURN VALUES
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X509V3_set_ctx() and X509V3_set_issuer_pkey()
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return 1 on success and 0 on error.
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=head1 SEE ALSO
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L<X509_add_ext(3)>
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=head1 HISTORY
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X509V3_set_issuer_pkey() was added in OpenSSL 3.0.
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CTX_TEST was deprecated in OpenSSL 3.0; use X509V3_CTX_TEST instead.
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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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