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4692340e31
Make d2i_X509 a generic d2i/i2d manpage. Pull common stuff out of other d2i/i2d docs. Update find-doc-nits to know about "generic" manpages. Cleanup some overlap. Fix up a bunch of other references. Reviewed-by: Matt Caswell <matt@openssl.org>
80 lines
2.8 KiB
Plaintext
80 lines
2.8 KiB
Plaintext
=pod
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=head1 NAME
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d2i_X509_AUX, i2d_X509_AUX,
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i2d_re_X509_tbs, i2d_re_X509_CRL_tbs, i2d_re_X509_REQ_tbs
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- X509 encode and decode functions
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=head1 SYNOPSIS
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#include <openssl/x509.h>
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X509 *d2i_X509_AUX(X509 **px, const unsigned char **in, long len);
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int i2d_X509_AUX(X509 *x, unsigned char **out);
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int i2d_re_X509_tbs(X509 *x, unsigned char **out);
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int i2d_re_X509_CRL_tbs(X509_CRL *crl, unsigned char **pp);
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int i2d_re_X509_REQ_tbs(X509_REQ *req, unsigned char **pp);
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=head1 DESCRIPTION
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The X509 encode and decode routines encode and parse an
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B<X509> structure, which represents an X509 certificate.
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d2i_X509_AUX() is similar to L<d2i_X509(3)> but the input is expected to
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consist of an X509 certificate followed by auxiliary trust information.
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This is used by the PEM routines to read "TRUSTED CERTIFICATE" objects.
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This function should not be called on untrusted input.
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i2d_X509_AUX() is similar to L<i2d_X509(3)>, but the encoded output
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contains both the certificate and any auxiliary trust information.
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This is used by the PEM routines to write "TRUSTED CERTIFICATE" objects.
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Note that this is a non-standard OpenSSL-specific data format.
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i2d_re_X509_tbs() is similar to L<i2d_X509(3)> except it encodes only
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the TBSCertificate portion of the certificate. i2d_re_X509_CRL_tbs()
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and i2d_re_X509_REQ_tbs() are analogous for CRL and certificate request,
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respectively. The "re" in B<i2d_re_X509_tbs> stands for "re-encode",
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and ensures that a fresh encoding is generated in case the object has been
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modified after creation (see the BUGS section).
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The encoding of the TBSCertificate portion of a certificate is cached
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in the B<X509> structure internally to improve encoding performance
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and to ensure certificate signatures are verified correctly in some
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certificates with broken (non-DER) encodings.
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If, after modification, the B<X509> object is re-signed with X509_sign(),
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the encoding is automatically renewed. Otherwise, the encoding of the
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TBSCertificate portion of the B<X509> can be manually renewed by calling
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i2d_re_X509_tbs().
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=head1 SEE ALSO
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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_pubkey(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 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the OpenSSL license (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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