| KCAPI_MD_SETKEY(3) | Programming Interface | KCAPI_MD_SETKEY(3) |
NAME¶
kcapi_md_setkey - set the key for the message digest handle
SYNOPSIS¶
int kcapi_md_setkey(struct kcapi_handle * handle, const uint8_t * key, uint32_t keylen);
ARGUMENTS¶
handle
[in] cipher handle
key
[in] key buffer
keylen
[in] length of key buffer
DESCRIPTION¶
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
AUTHOR¶
Stephan Mueller <smueller@chronox.de>
Author.
COPYRIGHT¶
| March 2023 | libkcapi Manual 1.4.0 |