diff --git a/include/openssl/bn.h b/include/openssl/bn.h
index 9abccaf..3a721fe 100644
--- a/include/openssl/bn.h
+++ b/include/openssl/bn.h
@@ -967,6 +967,9 @@
 // conservative.)
 #define BN_prime_checks BN_prime_checks_for_validation
 
+// BN_secure_new calls |BN_new|.
+OPENSSL_EXPORT BIGNUM *BN_secure_new(void);
+
 
 // Private functions
 
diff --git a/include/openssl/mem.h b/include/openssl/mem.h
index 476299a..f07698d 100644
--- a/include/openssl/mem.h
+++ b/include/openssl/mem.h
@@ -164,6 +164,21 @@
 // allocations on free, but we define |OPENSSL_clear_free| for compatibility.
 OPENSSL_EXPORT void OPENSSL_clear_free(void *ptr, size_t len);
 
+// CRYPTO_secure_malloc_init returns zero.
+OPENSSL_EXPORT int CRYPTO_secure_malloc_init(size_t size, size_t min_size);
+
+// CRYPTO_secure_malloc_initialized returns zero.
+OPENSSL_EXPORT int CRYPTO_secure_malloc_initialized(void);
+
+// CRYPTO_secure_used returns zero.
+OPENSSL_EXPORT size_t CRYPTO_secure_used(void);
+
+// OPENSSL_secure_malloc calls |OPENSSL_malloc|.
+OPENSSL_EXPORT void *OPENSSL_secure_malloc(size_t size);
+
+// OPENSSL_secure_clear_free calls |OPENSSL_clear_free|.
+OPENSSL_EXPORT void OPENSSL_secure_clear_free(void *ptr, size_t len);
+
 
 #if defined(__cplusplus)
 }  // extern C