1X509_GET_SERIALNUMBER(3)            OpenSSL           X509_GET_SERIALNUMBER(3)
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NAME

6       X509_get_serialNumber, X509_get0_serialNumber, X509_set_serialNumber -
7       get or set certificate serial number
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SYNOPSIS

10        #include <openssl/x509.h>
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12        ASN1_INTEGER *X509_get_serialNumber(X509 *x);
13        const ASN1_INTEGER *X509_get0_serialNumber(const X509 *x);
14        int X509_set_serialNumber(X509 *x, ASN1_INTEGER *serial);
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DESCRIPTION

17       X509_get_serialNumber() returns the serial number of certificate x as
18       an ASN1_INTEGER structure which can be examined or initialised. The
19       value returned is an internal pointer which MUST NOT be freed up after
20       the call.
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22       X509_get0_serialNumber() is the same as X509_get_serialNumber() except
23       it accepts a const parameter and returns a const result.
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25       X509_set_serialNumber() sets the serial number of certificate x to
26       serial. A copy of the serial number is used internally so serial should
27       be freed up after use.
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RETURN VALUES

30       X509_get_serialNumber() and X509_get0_serialNumber() return an
31       ASN1_INTEGER structure.
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33       X509_set_serialNumber() returns 1 for success and 0 for failure.
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SEE ALSO

36       d2i_X509(3), ERR_get_error(3), X509_CRL_get0_by_serial(3),
37       X509_get0_signature(3), X509_get_ext_d2i(3),
38       X509_get_extension_flags(3), X509_get_pubkey(3),
39       X509_get_subject_name(3), X509_NAME_add_entry_by_txt(3),
40       X509_NAME_ENTRY_get_object(3), X509_NAME_get_index_by_NID(3),
41       X509_NAME_print_ex(3), X509_new(3), X509_sign(3), X509V3_get_d2i(3),
42       X509_verify_cert(3)
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HISTORY

45       The X509_get_serialNumber() and X509_set_serialNumber() functions are
46       available in all versions of OpenSSL.  The X509_get0_serialNumber()
47       function was added in OpenSSL 1.1.0.
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50       Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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52       Licensed under the OpenSSL license (the "License").  You may not use
53       this file except in compliance with the License.  You can obtain a copy
54       in the file LICENSE in the source distribution or at
55       <https://www.openssl.org/source/license.html>.
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591.1.1q                            2023-02-06          X509_GET_SERIALNUMBER(3)
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