diff options
Diffstat (limited to 'eccrypto.h')
| -rw-r--r-- | eccrypto.h | 47 |
1 files changed, 43 insertions, 4 deletions
@@ -16,15 +16,17 @@ #include "gfpcrypt.h"
#include "dh.h"
#include "mqv.h"
+#include "hmqv.h"
+#include "fhmqv.h"
#include "ecp.h"
#include "ec2n.h"
NAMESPACE_BEGIN(CryptoPP)
-//! Elliptic Curve Parameters
-/*! This class corresponds to the ASN.1 sequence of the same name
- in ANSI X9.62 (also SEC 1).
-*/
+//! \brief Elliptic Curve Parameters
+//! \tparam EC elliptic curve field
+//! \details This class corresponds to the ASN.1 sequence of the same name
+//! in ANSI X9.62 and SEC 1. EC is currently defined for ECP and EC2N.
template <class EC>
class DL_GroupParameters_EC : public DL_GroupParametersImpl<EcPrecomputation<EC> >
{
@@ -213,6 +215,43 @@ struct ECMQV #endif
};
+//! \brief Hashed Menezes-Qu-Vanstone in ECP or EC2N
+//! \details This implementation follows Hugo Krawczyk's <a href="http://eprint.iacr.org/2005/176">HMQV: A High-Performance
+//! Secure Diffie-Hellman Protocol</a>. Note: this implements HMQV only. HMQV-C with Key Confirmation is not provided.
+template <class EC, class COFACTOR_OPTION = CPP_TYPENAME DL_GroupParameters_EC<EC>::DefaultCofactorOption, class HASH = SHA256>
+struct HMQV
+{
+ typedef HMQV_Domain<DL_GroupParameters_EC<EC>, COFACTOR_OPTION, HASH> Domain;
+
+#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
+ virtual ~HMQV() {}
+#endif
+};
+
+typedef HMQV< ECP, DL_GroupParameters_EC< ECP >::DefaultCofactorOption, SHA1 >::Domain HMQV160;
+typedef HMQV< ECP, DL_GroupParameters_EC< ECP >::DefaultCofactorOption, SHA256 >::Domain HMQV256;
+typedef HMQV< ECP, DL_GroupParameters_EC< ECP >::DefaultCofactorOption, SHA384 >::Domain HMQV384;
+typedef HMQV< ECP, DL_GroupParameters_EC< ECP >::DefaultCofactorOption, SHA512 >::Domain HMQV512;
+
+//! \brief Fully Hashed Menezes-Qu-Vanstone in ECP or EC2N
+//! \details This implementation follows Augustin P. Sarr and Philippe Elbaz–Vincent, and Jean–Claude Bajard's
+//! <a href="http://eprint.iacr.org/2009/408">A Secure and Efficient Authenticated Diffie-Hellman Protocol</a>.
+//! Note: this is FHMQV, Protocol 5, from page 11; and not FHMQV-C.
+template <class EC, class COFACTOR_OPTION = CPP_TYPENAME DL_GroupParameters_EC<EC>::DefaultCofactorOption, class HASH = SHA256>
+struct FHMQV
+{
+ typedef FHMQV_Domain<DL_GroupParameters_EC<EC>, COFACTOR_OPTION, HASH> Domain;
+
+#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
+ virtual ~FHMQV() {}
+#endif
+};
+
+typedef FHMQV< ECP, DL_GroupParameters_EC< ECP >::DefaultCofactorOption, SHA1 >::Domain FHMQV160;
+typedef FHMQV< ECP, DL_GroupParameters_EC< ECP >::DefaultCofactorOption, SHA256 >::Domain FHMQV256;
+typedef FHMQV< ECP, DL_GroupParameters_EC< ECP >::DefaultCofactorOption, SHA384 >::Domain FHMQV384;
+typedef FHMQV< ECP, DL_GroupParameters_EC< ECP >::DefaultCofactorOption, SHA512 >::Domain FHMQV512;
+
//! EC keys
template <class EC>
struct DL_Keys_EC
|