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Title "X509_GET_PUBKEY 3"
way too many mistakes in technical documents.
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.... Set up some character translations and predefined strings. \*(-- will
give an unbreakable dash, \*(PI will give pi, \*(L" will give a left
double quote, and \*(R" will give a right double quote. \*(C+ will
give a nicer C++. Capital omega is used to do unbreakable dashes and
therefore won't be available. \*(C` and \*(C' expand to `' in nroff,
nothing in troff, for use with C<>.
.tr \(*W- . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' . ds C` . ds C' 'br\}
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If the F register is >0, we'll generate index entries on stderr for
titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
entries marked with X<> in POD. Of course, you'll have to process the
output yourself in some meaningful fashion.
Avoid warning from groff about undefined register 'F'.
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Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2).
Fear. Run. Save yourself. No user-serviceable parts.
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Title "X509_GET_PUBKEY 3"
X509_GET_PUBKEY 3 "2021-08-24" "1.1.1l" "OpenSSL"
For nroff, turn off justification. Always turn off hyphenation; it makesway too many mistakes in technical documents.
"NAME"
X509_get_pubkey, X509_get0_pubkey, X509_set_pubkey, X509_get_X509_PUBKEY, X509_REQ_get_pubkey, X509_REQ_get0_pubkey, X509_REQ_set_pubkey, X509_REQ_get_X509_PUBKEY - get or set certificate or certificate request public key
"SYNOPSIS"
Header "SYNOPSIS" .Vb 1
#include <openssl/x509.h>
\&
EVP_PKEY *X509_get_pubkey(X509 *x);
EVP_PKEY *X509_get0_pubkey(const X509 *x);
int X509_set_pubkey(X509 *x, EVP_PKEY *pkey);
X509_PUBKEY *X509_get_X509_PUBKEY(X509 *x);
\&
EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req);
EVP_PKEY *X509_REQ_get0_pubkey(X509_REQ *req);
int X509_REQ_set_pubkey(X509_REQ *x, EVP_PKEY *pkey);
X509_PUBKEY *X509_REQ_get_X509_PUBKEY(X509_REQ *x);
.Ve
"DESCRIPTION"
Header "DESCRIPTION" \fBX509_get_pubkey() attempts to decode the public key for certificate x. If
successful it returns the public key as an \s-1EVP_PKEY\s0 pointer with its
reference count incremented: this means the returned key must be freed up
after use. X509_get0_pubkey() is similar except it does not increment
the reference count of the returned \s-1EVP_PKEY\s0 so it must not be freed up
after use.
\fBX509_get_X509_PUBKEY() returns an internal pointer to the X509_PUBKEY structure which encodes the certificate of x. The returned value must not be freed up after use.
\fBX509_set_pubkey() attempts to set the public key for certificate x to \fBpkey. The key pkey should be freed up after use.
\fBX509_REQ_get_pubkey(), X509_REQ_get0_pubkey(), X509_REQ_set_pubkey() and \fBX509_REQ_get_X509_PUBKEY() are similar but operate on certificate request req.
"NOTES"
Header "NOTES" The first time a public key is decoded the \s-1EVP_PKEY\s0 structure is
cached in the certificate or certificate request itself. Subsequent calls
return the cached structure with its reference count incremented to
improve performance.
"RETURN VALUES"
Header "RETURN VALUES" \fBX509_get_pubkey(), X509_get0_pubkey(), X509_get_X509_PUBKEY(),
\fBX509_REQ_get_pubkey() and X509_REQ_get_X509_PUBKEY() return a public key or
\fB\s-1NULL\s0 if an error occurred.
\fBX509_set_pubkey() and X509_REQ_set_pubkey() return 1 for success and 0 for failure.
"SEE ALSO"
Header "SEE ALSO" \fBd2i_X509\|(3),
\fBERR_get_error\|(3),
\fBX509_CRL_get0_by_serial\|(3),
\fBX509_get0_signature\|(3),
\fBX509_get_ext_d2i\|(3),
\fBX509_get_extension_flags\|(3),
\fBX509_get_subject_name\|(3),
\fBX509_get_version\|(3),
\fBX509_NAME_add_entry_by_txt\|(3),
\fBX509_NAME_ENTRY_get_object\|(3),
\fBX509_NAME_get_index_by_NID\|(3),
\fBX509_NAME_print_ex\|(3),
\fBX509_new\|(3),
\fBX509_sign\|(3),
\fBX509V3_get_d2i\|(3),
\fBX509_verify_cert\|(3)
"COPYRIGHT"
Header "COPYRIGHT" Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>.