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gnutls_pkcs7_verify_direct(3)       gnutls       gnutls_pkcs7_verify_direct(3)


NAME

       gnutls_pkcs7_verify_direct - API function


SYNOPSIS

       #include <gnutls/pkcs7.h>

       int gnutls_pkcs7_verify_direct(gnutls_pkcs7_t pkcs7, gnutls_x509_crt_t
       signer, unsigned idx, const gnutls_datum_t * data, unsigned flags);


ARGUMENTS

       gnutls_pkcs7_t pkcs7
                   should contain a gnutls_pkcs7_t type

       gnutls_x509_crt_t signer
                   the certificate believed to have signed the structure

       unsigned idx
                   the index of the signature info to check

       const gnutls_datum_t * data
                   The data to be verified or NULL

       unsigned flags
                   Zero or an OR list of gnutls_certificate_verify_flags


DESCRIPTION

       This function will verify the provided data against the signature
       present in the SignedData of the PKCS 7 structure. If the data provided
       are NULL then the data in the encapsulatedContent field will be used
       instead.

       Note that, unlike gnutls_pkcs7_verify() this function does not verify
       the key purpose of the signer. It is expected for the caller to verify
       the intended purpose of the signer -e.g., via
       gnutls_x509_crt_get_key_purpose_oid(), or
       gnutls_x509_crt_check_key_purpose().

       Note also, that since GnuTLS 3.5.6 this function introduces checks in
       the end certificate ( signer ), including time checks and key usage
       checks.


RETURNS

       On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative
       error value. A verification error results to a
       GNUTLS_E_PK_SIG_VERIFY_FAILED and the lack of encapsulated data to
       verify to a GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE.


SINCE

       3.4.2


REPORTING BUGS

       Report bugs to <bugs@gnutls.org>.
       Home page: https://www.gnutls.org


COPYRIGHT

       Copyright (C) 2001- Free Software Foundation, Inc., and others.
       Copying and distribution of this file, with or without modification,
       are permitted in any medium without royalty provided the copyright
       notice and this notice are preserved.


SEE ALSO

       The full documentation for gnutls is maintained as a Texinfo manual.
       If the /usr/local/share/doc/gnutls/ directory does not contain the HTML
       form visit

       https://www.gnutls.org/manual/

gnutls                               3.7.9       gnutls_pkcs7_verify_direct(3)

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