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More work in progress on new crypto...

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This commit is contained in:
Adam Ierymenko 2013-09-13 17:32:00 -04:00
parent 0b94a04914
commit b2bb7b41fc
2 changed files with 108 additions and 6 deletions
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33
node/C25519.hpp
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@ -32,14 +32,31 @@
namespace ZeroTier {
#define ZT_C25519_PUBLIC_KEY_LEN 64
#define ZT_C25519_PRIVATE_KEY_LEN 64
#define ZT_C25519_SIGNATURE_LEN 96
/**
* C25519 elliptic curve key agreement and signing
*/
class C25519
{
public:
typedef Array<unsigned char,64> Public; // crypto key, signing key
typedef Array<unsigned char,96> Private; // crypto key, signing key (64 bytes)
/**
* Public key (both crypto and signing)
*/
typedef Array<unsigned char,64> Public; // crypto key, signing key (both 32 bytes)
/**
* Private key (both crypto and signing)
*/
typedef Array<unsigned char,64> Private; // crypto key, signing key (both 32 bytes)
/**
* Public/private key pair
*/
typedef struct {
Public pub;
Private priv;
@ -48,7 +65,8 @@ public:
/**
* Generate a C25519 elliptic curve key pair
*/
static Pair generate();
static Pair generate()
throw();
/**
* Perform C25519 ECC key agreement
@ -61,7 +79,14 @@ public:
* @param keybuf Buffer to fill
* @param keylen Number of key bytes to generate
*/
static void agree(const Pair &mine,const Public &their,void *keybuf,unsigned int keylen);
static void agree(const Pair &mine,const Public &their,void *keybuf,unsigned int keylen)
throw();
static void sign(const Pair &mine,const void *msg,unsigned int len,void *signature)
throw();
static bool verify(const Public &their,const void *msg,unsigned int len,const void *signature)
throw();
};
} // namespace ZeroTier