diff options
Diffstat (limited to 'src/lib/kdf/hkdf/hkdf.h')
| -rw-r--r-- | src/lib/kdf/hkdf/hkdf.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/lib/kdf/hkdf/hkdf.h b/src/lib/kdf/hkdf/hkdf.h index 1dba82ee2..ea17f8c01 100644 --- a/src/lib/kdf/hkdf/hkdf.h +++ b/src/lib/kdf/hkdf/hkdf.h @@ -15,12 +15,16 @@ namespace Botan { /** -* HKDF, see @rfc 5869 for details -* This is only the expansion portion of HKDF +* HKDF, see RFC 5869 for details. +* This is only the expansion portion of HKDF. +* An appropriate extraction function should be used before. */ class BOTAN_DLL HKDF final : public KDF { public: + /** + * @param prf MAC algorithm to use + */ explicit HKDF(MessageAuthenticationCode* prf) : m_prf(prf) {} static HKDF* make(const Spec& spec); |