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.\" DO NOT MODIFY THIS FILE! It was generated by gdoc.
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.TH "gnutls_x509_crt_get_fingerprint" 3 "3.6.14" "gnutls" "gnutls"
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.SH NAME
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gnutls_x509_crt_get_fingerprint \- API function
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.SH SYNOPSIS
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.B #include <gnutls/x509.h>
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.sp
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.BI "int gnutls_x509_crt_get_fingerprint(gnutls_x509_crt_t " cert ", gnutls_digest_algorithm_t " algo ", void * " buf ", size_t * " buf_size ");"
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.SH ARGUMENTS
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.IP "gnutls_x509_crt_t cert" 12
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should contain a \fBgnutls_x509_crt_t\fP type
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.IP "gnutls_digest_algorithm_t algo" 12
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is a digest algorithm
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.IP "void * buf" 12
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a pointer to a structure to hold the fingerprint (may be null)
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.IP "size_t * buf_size" 12
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initially holds the size of \fIbuf\fP
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.SH "DESCRIPTION"
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This function will calculate and copy the certificate's fingerprint
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in the provided buffer. The fingerprint is a hash of the DER\-encoded
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data of the certificate.
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If the buffer is null then only the size will be filled.
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.SH "RETURNS"
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\fBGNUTLS_E_SHORT_MEMORY_BUFFER\fP if the provided buffer is
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not long enough, and in that case the *buf_size will be updated
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with the required size. On success 0 is returned.
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.SH "REPORTING BUGS"
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Report bugs to <bugs@gnutls.org>.
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.br
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Home page: https://www.gnutls.org
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.SH COPYRIGHT
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Copyright \(co 2001- Free Software Foundation, Inc., and others.
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.br
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Copying and distribution of this file, with or without modification,
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are permitted in any medium without royalty provided the copyright
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notice and this notice are preserved.
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.SH "SEE ALSO"
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The full documentation for
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.B gnutls
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is maintained as a Texinfo manual.
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If the /usr/share/doc/gnutls/
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directory does not contain the HTML form visit
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.B
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.IP https://www.gnutls.org/manual/
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.PP
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