diff --git a/crypto/rand/rand.c b/crypto/rand/rand.c
index 0d146a89..39695203 100644
--- a/crypto/rand/rand.c
+++ b/crypto/rand/rand.c
@@ -171,8 +171,14 @@ int RAND_status(void) {
   return 1;
 }
 
-static const struct rand_meth_st kSSLeayMethod = {NULL, NULL, NULL,
-                                                  NULL, NULL, NULL};
+static const struct rand_meth_st kSSLeayMethod = {
+  RAND_seed,
+  RAND_bytes,
+  RAND_cleanup,
+  RAND_add,
+  RAND_pseudo_bytes,
+  RAND_status,
+};
 
 RAND_METHOD *RAND_SSLeay(void) {
   return (RAND_METHOD*) &kSSLeayMethod;
diff --git a/include/openssl/rand.h b/include/openssl/rand.h
index 2918c7e8..335c76ed 100644
--- a/include/openssl/rand.h
+++ b/include/openssl/rand.h
@@ -76,10 +76,10 @@ OPENSSL_EXPORT int RAND_status(void);
  * external so that variables of this type can be initialized. */
 struct rand_meth_st {
   void (*seed) (const void *buf, int num);
-  int (*bytes) (unsigned char *buf, int num);
+  int (*bytes) (uint8_t *buf, size_t num);
   void (*cleanup) (void);
   void (*add) (const void *buf, int num, double entropy);
-  int (*pseudorand) (unsigned char *buf, int num);
+  int (*pseudorand) (uint8_t *buf, size_t num);
   int (*status) (void);
 };