gnutls_pkcs12_mac_info — API function
int gnutls_pkcs12_mac_info(gnutls_pkcs12_t pkcs12, unsigned int * mac, void * salt, unsigned int * salt_size, unsigned int * iter_count, char ** oid);
- gnutls_pkcs12_t pkcs12
A pkcs12 type
- unsigned int * mac
the MAC algorithm used as gnutls_mac_algorithm_t
- void * salt
the salt used for string to key (if non-NULL then salt_size initially holds its size)
- unsigned int * salt_size
string to key salt size
- unsigned int * iter_count
string to key iteration count
- char ** oid
if non-NULL it will contain an allocated null-terminated variable with the OID
This function will provide information on the MAC algorithm used in a PKCS 12 structure. If the structure algorithms are unknown the code GNUTLS_E_UNKNOWN_HASH_ALGORITHM will be returned, and only oid , will be set. That is, oid will be set on structures with a MAC whether supported or not. It must be deinitialized using gnutls_free(). The other variables are only set on supported structures.
GNUTLS_E_INVALID_REQUEST if the provided structure doesn't contain a MAC, GNUTLS_E_UNKNOWN_HASH_ALGORITHM if the structure's MAC isn't supported, or another negative error code in case of a failure. Zero on success.
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