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Fixed build for avr.

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This commit is contained in:
Ken MacKay
2014-02-11 22:43:24 -08:00
parent 8fcedfbaab
commit a61876288b
1 changed files with 34 additions and 20 deletions
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verify_ecdh.c
+34 -20
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@@ -2,9 +2,42 @@
#include <stdio.h>
#include <string.h>
#if __AVR__
int RNG(uint8_t *p_dest, unsigned p_size)
{
/* TODO */
return 0;
}
#else
#include <unistd.h>
#include <fcntl.h>
int RNG(uint8_t *p_dest, unsigned p_size)
{
static int l_randfd = -1;
if(l_randfd == -1)
{
l_randfd = open("/dev/urandom", O_RDONLY);
if(l_randfd == -1)
{
printf("No access to urandom\n");
return 0;
}
}
if(read(l_randfd, p_dest, p_size) != (int)p_size)
{
printf("Failed to get random bytes.\n");
return 0;
}
return 1;
}
#endif /* TARGET_ARCH_AVR */
void vli_print(uint8_t *p_vli, unsigned int p_size)
{
while(p_size)
@@ -14,18 +47,6 @@ void vli_print(uint8_t *p_vli, unsigned int p_size)
}
}
int randfd;
int RNG(uint8_t *p_dest, unsigned p_size)
{
if(read(randfd, p_dest, p_size) != (int)p_size)
{
printf("Failed to get random bytes.\n");
return 0;
}
return 1;
}
int main()
{
int i;
@@ -38,14 +59,7 @@ int main()
uint8_t l_secret1[ECC_BYTES];
uint8_t l_secret2[ECC_BYTES];
randfd = open("/dev/urandom", O_RDONLY);
if(randfd == -1)
{
printf("No access to urandom\n");
return -1;
}
ecc_set_rng(&RNG);
printf("Testing 256 random private key pairs\n");