diff options
| author | Ulf Möller <ulf@openssl.org> | 2000-01-13 20:59:17 +0000 |
|---|---|---|
| committer | Ulf Möller <ulf@openssl.org> | 2000-01-13 20:59:17 +0000 |
| commit | eb952088f0d5da59e569ae2aa33e9b96bc3b586d (patch) | |
| tree | 1d722a423148a6b568a1e6d42f01943aed6cfb2a /crypto/rsa/rsa_pk1.c | |
| parent | 22e219d90f1ea5d3b2f4abb72c846a436ea33eff (diff) | |
Precautions against using the PRNG uninitialized: RAND_bytes() now
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.
Diffstat (limited to 'crypto/rsa/rsa_pk1.c')
| -rw-r--r-- | crypto/rsa/rsa_pk1.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/crypto/rsa/rsa_pk1.c b/crypto/rsa/rsa_pk1.c index f0ae51f234..b35eb62682 100644 --- a/crypto/rsa/rsa_pk1.c +++ b/crypto/rsa/rsa_pk1.c @@ -155,12 +155,14 @@ int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen, /* pad out with non-zero random data */ j=tlen-3-flen; - RAND_bytes(p,j); + if (RAND_bytes(p,j) <= 0) + return(0); for (i=0; i<j; i++) { if (*p == '\0') do { - RAND_bytes(p,1); + if (RAND_bytes(p,1) <= 0) + return(0); } while (*p == '\0'); p++; } |