TeaSpeak/ed25519
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This commit is contained in:
Orson Peters 2013-01-10 21:24:49 +01:00
parent 3aad2934a3
commit 7da894b006
6 changed files with 12 additions and 23 deletions
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a.exe
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12
crypto_sign.h
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@ -1,12 +0,0 @@
#ifndef crypto_sign_edwards25519sha512batch_H
#define crypto_sign_edwards25519sha512batch_H
#define SECRETKEYBYTES 64
#define PUBLICKEYBYTES 32
#define SIGNATUREBYTES 64
extern int crypto_sign(unsigned char *,unsigned long long *,const unsigned char *,unsigned long long,const unsigned char *);
extern int crypto_sign_open(unsigned char *,unsigned long long *,const unsigned char *,unsigned long long,const unsigned char *);
extern int crypto_sign_keypair(unsigned char *,unsigned char *,unsigned char *);
#endif

5
keypair.c
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@ -1,8 +1,8 @@
#include "crypto_sign.h" #include "ed25519.h"
#include "sha512.h" #include "sha512.h"
#include "ge.h" #include "ge.h"
int crypto_sign_keypair(unsigned char *pk, unsigned char *sk, unsigned char *seed) int ed25519_sign_keypair(unsigned char *pk, unsigned char *sk, unsigned char *seed)
{ {
unsigned char h[64]; unsigned char h[64];
ge_p3 A; ge_p3 A;
@ -18,5 +18,6 @@ int crypto_sign_keypair(unsigned char *pk, unsigned char *sk, unsigned char *see
for (i = 0;i < 32;++i) sk[i] = seed[i]; for (i = 0;i < 32;++i) sk[i] = seed[i];
for (i = 0;i < 32;++i) sk[32 + i] = pk[i]; for (i = 0;i < 32;++i) sk[32 + i] = pk[i];
return 0; return 0;
} }

4
open.c
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@ -1,9 +1,9 @@
#include "crypto_sign.h" #include "ed25519.h"
#include "sha512.h" #include "sha512.h"
#include "ge.h" #include "ge.h"
#include "sc.h" #include "sc.h"
int crypto_sign_open( int ed25519_sign_open(
unsigned char *m,unsigned long long *mlen, unsigned char *m,unsigned long long *mlen,
const unsigned char *sm,unsigned long long smlen, const unsigned char *sm,unsigned long long smlen,
const unsigned char *pk const unsigned char *pk

4
sign.c
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@ -1,9 +1,9 @@
#include "crypto_sign.h" #include "ed25519.h"
#include "sha512.h" #include "sha512.h"
#include "ge.h" #include "ge.h"
#include "sc.h" #include "sc.h"
int crypto_sign( int ed25519_sign(
unsigned char *sm,unsigned long long *smlen, unsigned char *sm,unsigned long long *smlen,
const unsigned char *m,unsigned long long mlen, const unsigned char *m,unsigned long long mlen,
const unsigned char *sk const unsigned char *sk

10
test.c
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@ -2,7 +2,7 @@
#include <stdlib.h> #include <stdlib.h>
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include "crypto_sign.h" #include "ed25519.h"
char *msg = "Hello World"; char *msg = "Hello World";
@ -11,26 +11,26 @@ int main(int argc, char *argv[]) {
unsigned char *sigmsg, *newmsg; unsigned char *sigmsg, *newmsg;
unsigned long long sigmsglen, newmsglen; unsigned long long sigmsglen, newmsglen;
int ret; int ret;
crypto_sign_keypair(vk, sk, "0123456890123456789012"); ed25519_sign_keypair(vk, sk, "0123456890123456789012");
printf("got keypair\n"); printf("got keypair\n");
sigmsg = malloc(strlen(msg)+1+64); sigmsg = malloc(strlen(msg)+1+64);
if (!sigmsg) if (!sigmsg)
return 1; return 1;
crypto_sign(sigmsg, &sigmsglen, (unsigned char *)msg, strlen(msg)+1, sk); ed25519_sign(sigmsg, &sigmsglen, (unsigned char *)msg, strlen(msg)+1, sk);
printf("got signature\n"); printf("got signature\n");
if (sigmsglen != strlen(msg)+1+64) if (sigmsglen != strlen(msg)+1+64)
return 2; return 2;
newmsg = malloc(sigmsglen); newmsg = malloc(sigmsglen);
if (!newmsg) if (!newmsg)
return 3; return 3;
ret = crypto_sign_open(newmsg, &newmsglen, sigmsg, sigmsglen, vk); ret = ed25519_sign_open(newmsg, &newmsglen, sigmsg, sigmsglen, vk);
printf("verified signature\n"); printf("verified signature\n");
if (ret == 0) if (ret == 0)
printf("good!\n"); printf("good!\n");
else else
printf("bad\n"); printf("bad\n");
sigmsg[0] ^= 0x01; sigmsg[0] ^= 0x01;
ret = crypto_sign_open(newmsg, &newmsglen, sigmsg, sigmsglen, vk); ret = ed25519_sign_open(newmsg, &newmsglen, sigmsg, sigmsglen, vk);
if (ret == 0) if (ret == 0)
printf("bad: failed to detect simple corruption\n"); printf("bad: failed to detect simple corruption\n");
else else