1gnutls_x509_crt_get_signature_oid(3)gnutlsgnutls_x509_crt_get_signature_oid(3)
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NAME

6       gnutls_x509_crt_get_signature_oid - API function
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SYNOPSIS

9       #include <gnutls/x509.h>
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11       int  gnutls_x509_crt_get_signature_oid(gnutls_x509_crt_t  cert,  char *
12       oid, size_t * oid_size);
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ARGUMENTS

15       gnutls_x509_crt_t cert
16                   should contain a gnutls_x509_crt_t type
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18       char * oid  a pointer to a buffer to hold the OID (may be null)
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20       size_t * oid_size
21                   initially holds the size of  oid
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DESCRIPTION

24       This function will return the OID of the signature algorithm  that  has
25       been  used  to sign this certificate. This is function is useful in the
26       case gnutls_x509_crt_get_signature_algorithm() returned GNUTLS_SIGN_UN‐
27       KNOWN.
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RETURNS

30       zero or a negative error code on error.
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SINCE

33       3.5.0
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REPORTING BUGS

36       Report bugs to <bugs@gnutls.org>.
37       Home page: https://www.gnutls.org
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41       Copyright © 2001-2023 Free Software Foundation, Inc., and others.
42       Copying  and  distribution  of this file, with or without modification,
43       are permitted in any medium without royalty provided the copyright  no‐
44       tice and this notice are preserved.
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SEE ALSO

47       The  full  documentation  for gnutls is maintained as a Texinfo manual.
48       If the /usr/share/doc/gnutls/ directory does not contain the HTML  form
49       visit
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51       https://www.gnutls.org/manual/
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53gnutls                               3.8.2gnutls_x509_crt_get_signature_oid(3)
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