gnutls_pkcs11_obj_get_info - API function
int gnutls_pkcs11_obj_get_info(gnutls_pkcs11_obj_t obj, gnutls_pkcs11_obj_info_t itype, void * output, size_t * output_size);
This function will return information about the PKCS11 certificate such as the label, id as well as token information where the key is stored.
When output is text, a null terminated string is written to output and its string length is written to output_size (without null terminator). If the buffer is too small, output_size will contain the expected buffer size (with null terminator for text) and return GNUTLS_E_SHORT_MEMORY_BUFFER.
In versions previously to 3.6.0 this function included the null terminator to output_size . After 3.6.0 the output size doesn't include the terminator character.
GNUTLS_E_SUCCESS (0) on success or a negative error code on error.
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