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use NeuG for bn256_random

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NIIBE Yutaka 2011-10-13 16:54:08 +09:00
parent 8b6713bc52
commit e929963d30
2 changed files with 15 additions and 13 deletions
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22
src/bn.c
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@ -307,14 +307,16 @@ bn256_is_ge (const bn256 *A, const bn256 *B)
void
bn256_random (bn256 *X)
{
#if 1
X->words[7] = 0x01234567;
X->words[6] = 0x89abcdef;
X->words[5] = 0xff00ff00;
X->words[4] = 0x00ff00ff;
X->words[3] = 0xee55ee55;
X->words[2] = 0x55ee55ee;
X->words[1] = 0x01234567;
X->words[0] = 0x89abcdef;
#endif
const uint8_t *rand = random_bytes_get ();
X->words[7] = ((uint32_t *)rand)[7];
X->words[6] = ((uint32_t *)rand)[6];
X->words[5] = ((uint32_t *)rand)[5];
X->words[4] = ((uint32_t *)rand)[4];
X->words[3] = ((uint32_t *)rand)[3];
X->words[2] = ((uint32_t *)rand)[2];
X->words[1] = ((uint32_t *)rand)[1];
X->words[0] = ((uint32_t *)rand)[0];
random_bytes_free (rand);
}

6
src/random.c
View File

@ -26,7 +26,7 @@
#include "gnuk.h"
#include "neug.h"
#define RANDOM_BYTES_LENGTH 16
#define RANDOM_BYTES_LENGTH 32
static uint32_t random_word[RANDOM_BYTES_LENGTH/sizeof (uint32_t)];
void
@ -43,7 +43,7 @@ random_init (void)
}
/*
* Return pointer to random 16-byte
* Return pointer to random 32-byte
*/
const uint8_t *
random_bytes_get (void)
@ -53,7 +53,7 @@ random_bytes_get (void)
}
/*
* Free pointer to random 16-byte
* Free pointer to random 32-byte
*/
void
random_bytes_free (const uint8_t *p)