The main() return value is a program's exit code.

[oweals/openssl.git] / crypto / rsa / rsa_oaep.c

diff --git a/crypto/rsa/rsa_oaep.c b/crypto/rsa/rsa_oaep.c
index 843c40c86408d2d3976fbb92b5dbcfb61c67673b..1465c01f4f44053c7912bb51bb6d75dedb92a379 100644 (file)
--- a/crypto/rsa/rsa_oaep.c
+++ b/crypto/rsa/rsa_oaep.c
@@ -50,7 +50,8 @@ int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen,
           emlen - flen - 2 * SHA_DIGEST_LENGTH - 1);
     db[emlen - flen - SHA_DIGEST_LENGTH - 1] = 0x01;
     memcpy(db + emlen - flen - SHA_DIGEST_LENGTH, from, (unsigned int) flen);
-    RAND_bytes(seed, SHA_DIGEST_LENGTH);
+    if (RAND_bytes(seed, SHA_DIGEST_LENGTH) <= 0)
+       return (0);
 #ifdef PKCS_TESTVECT
     memcpy(seed,
           "\xaa\xfd\x12\xf6\x59\xca\xe6\x34\x89\xb4\x79\xe5\x07\x6d\xde\xc2\xf0\x6c\xb5\x8f",