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@deftypefun {int} {gnutls_x509_crt_verify_data} (gnutls_x509_crt_t @var{crt}, unsigned int @var{flags}, const gnutls_datum_t * @var{data}, const gnutls_datum_t * @var{signature})
@var{crt}: Holds the certificate
@var{flags}: should be 0 for now
@var{data}: holds the data to be signed
@var{signature}: contains the signature
This function will verify the given signed data, using the
parameters from the certificate.
Deprecated. This function cannot be easily used securely.
Use @code{gnutls_pubkey_verify_data2()} instead.
@strong{Returns:} In case of a verification failure @code{GNUTLS_E_PK_SIG_VERIFY_FAILED}
is returned, and zero or positive code on success.
@end deftypefun
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