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Precautions against using the PRNG uninitialized: RAND_bytes() now

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returns int (1 = ok, 0 = not seeded). New function RAND_add() is the
same as RAND_seed() but takes an estimate of the entropy as an additional
argument.
This commit is contained in:
Ulf Möller
2000-01-13 20:59:17 +00:00
parent 22e219d90f
commit eb952088f0
29 changed files with 196 additions and 38 deletions
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11
crypto/rand/rand_lib.c
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@@ -89,9 +89,16 @@ void RAND_seed(const void *buf, int num)
rand_meth->seed(buf,num);
}
void RAND_bytes(unsigned char *buf, int num)
void RAND_add(const void *buf, int num, int entropy)
{
if (rand_meth != NULL)
rand_meth->bytes(buf,num);
rand_meth->add(buf,num,entropy);
}
int RAND_bytes(unsigned char *buf, int num)
{
if (rand_meth != NULL)
return rand_meth->bytes(buf,num);
return(-1);
}