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Add test vectors for ensuring identical C25519 operation across systems.

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This commit is contained in:
Adam Ierymenko 2013-09-14 13:51:08 -04:00
commit 660f92b6a7
5 changed files with 142 additions and 39 deletions
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4
node/C25519.cpp
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@ -2151,6 +2151,10 @@ static void get_hram(unsigned char *hram, const unsigned char *sm, const unsigne
SHA512::hash(hram,playground,(unsigned int)smlen);
}
// This is the original sign and verify code -- the versions in sign() and
// verify() below the fold are slightly modified in terms of how they behave
// in relation to the message, but the algorithms are the same.
#if 0
int crypto_sign_keypair(
unsigned char *pk,

2
node/Poly1305.cpp
View file

@ -138,7 +138,7 @@ static int crypto_onetimeauth(unsigned char *out,const unsigned char *in,unsigne
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
void Poly1305::computeAuthCode(void *auth,const void *data,unsigned int len,const void *key)
void Poly1305::mac(void *auth,const void *data,unsigned int len,const void *key)
throw()
{
crypto_onetimeauth((unsigned char *)auth,(const unsigned char *)data,len,(const unsigned char *)key);

10
node/Poly1305.hpp
View file

@ -30,8 +30,16 @@
namespace ZeroTier {
#define ZT_POLY1305_KEY_LEN 32
#define ZT_POLY1305_MAC_LEN 16
/**
* Poly1305 one-time authentication code
*
* This takes a one-time-use 32-byte key and generates a 16-byte message
* authentication code. The key must never be re-used for a different
* message. Normally this is done by taking a base key and mangling it
* using a nonce and possibly other data, as in Packet.
*/
class Poly1305
{
@ -44,7 +52,7 @@ public:
* @param len Length of data to authenticate in bytes
* @param key 32-byte one-time use key to authenticate data (must not be reused)
*/
static void computeAuthCode(void *auth,const void *data,unsigned int len,const void *key)
static void mac(void *auth,const void *data,unsigned int len,const void *key)
throw();
};