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minor change for the prng

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This commit is contained in:
Ulf Möller 2000-01-14 02:31:32 +00:00
parent 11afb40c01
commit f2b86c955c
2 changed files with 7 additions and 8 deletions
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12
crypto/rand/md_rand.c
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@ -360,15 +360,13 @@ static int ssleay_rand_bytes(unsigned char *buf, int num)
*/
if ((fh = fopen(DEVRANDOM, "r")) != NULL)
{
unsigned char tmpbuf[32];
unsigned char tmpbuf[ENTROPY_NEEDED];
int i;
fread((unsigned char *)tmpbuf,1,32,fh);
/* we don't care how many bytes we read,
* we will just copy the 'stack' if there is
* nothing else :-) */
i=fread((unsigned char *)tmpbuf,1,ENTROPY_NEEDED,fh);
fclose(fh);
RAND_seed(tmpbuf,32);
memset(tmpbuf,0,32);
RAND_seed(tmpbuf,i);
memset(tmpbuf,0,i);
}
#endif
#ifdef PURIFY

3
rsaref/rsaref.c
View file

@ -279,7 +279,8 @@ int RSA_ref_public_encrypt(int len, unsigned char *from, unsigned char *to,
R_GetRandomBytesNeeded((unsigned int *)&i,&rnd);
while (i > 0)
{
RAND_bytes(buf,16);
if (RAND_bytes(buf,16) <= 0)
goto err;
R_RandomUpdate(&rnd,buf,(unsigned int)((i>16)?16:i));
i-=16;
}