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