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@deftypefun {int} {gnutls_pubkey_verify_hash2} (gnutls_pubkey_t @var{key}, gnutls_sign_algorithm_t @var{algo}, unsigned int @var{flags}, const gnutls_datum_t * @var{hash}, const gnutls_datum_t * @var{signature})
@var{key}: Holds the public key
@var{algo}: The signature algorithm used
@var{flags}: Zero or an OR list of @code{gnutls_certificate_verify_flags}
@var{hash}: holds the hash digest to be verified
@var{signature}: contains the signature
This function will verify the given signed digest, using the
parameters from the public key. Note that unlike @code{gnutls_privkey_sign_hash()} ,
this function accepts a signature algorithm instead of a digest algorithm.
You can use @code{gnutls_pk_to_sign()} to get the appropriate value.
@strong{Returns:} In case of a verification failure @code{GNUTLS_E_PK_SIG_VERIFY_FAILED}
is returned, and zero or positive code on success. For known to be insecure
signatures this function will return @code{GNUTLS_E_INSUFFICIENT_SECURITY} unless
the flag @code{GNUTLS_VERIFY_ALLOW_BROKEN} is specified.
@strong{Since:} 3.0
@end deftypefun
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