diff options
Diffstat (limited to 'src/hkdf_sha256.c')
| -rw-r--r-- | src/hkdf_sha256.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/hkdf_sha256.c b/src/hkdf_sha256.c index 7cf3af8..f521f41 100644 --- a/src/hkdf_sha256.c +++ b/src/hkdf_sha256.c @@ -23,12 +23,19 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/** + \file + + An implementation of the HMAC-based Key Derivation Function (RFC 5869) using HMAC-SHA256 +*/ + #include "hkdf_sha256.h" #include <string.h> +/** The HKDF-SHA256 expansion function */ void fastd_hkdf_sha256_expand(fastd_sha256_t *out, size_t blocks, const fastd_sha256_t *prk, const uint8_t *info, size_t infolen) { if (!blocks) return; |