kcapi_md_setkey - Man Page

int kcapi_md_setkey(struct kcapi_handle * handle, const uint8_t * key, uint32_t keylen);

handle

key

keylen

With this function, the caller sets the key for subsequent hashing operations​. This call is applicable for keyed message digests​.

After the caller provided the key, the caller may securely destroy the key as it is now maintained by the kernel​.

return 0 upon success; a negative errno-style error code if an error occurred

Stephan Mueller <​smueller@chronox.de​>