diff --git a/vlib/crypto/rand/rand_freebsd.c.v b/vlib/crypto/rand/rand_freebsd.c.v
new file mode 100644
index 0000000000..4d4d5e5cf7
--- /dev/null
+++ b/vlib/crypto/rand/rand_freebsd.c.v
@@ -0,0 +1,16 @@
+// Copyright (c) 2022 John Lloyd. All rights reserved.
+// Use of this source code is governed by an MIT license
+// that can be found in the LICENSE file.
+
+module rand
+
+#include <stdlib.h>
+
+fn C.arc4random_buf(p &byte, n usize)
+
+// read returns an array of `bytes_needed` random bytes read from the OS.
+pub fn read(bytes_needed int) ?[]u8 {
+	mut buffer := unsafe { malloc_noscan(bytes_needed) }
+	C.arc4random_buf(buffer, bytes_needed)
+	return unsafe { buffer.vbytes(bytes_needed) }
+}
diff --git a/vlib/crypto/rand/rand_openbsd.c.v b/vlib/crypto/rand/rand_openbsd.c.v
new file mode 100644
index 0000000000..4d4d5e5cf7
--- /dev/null
+++ b/vlib/crypto/rand/rand_openbsd.c.v
@@ -0,0 +1,16 @@
+// Copyright (c) 2022 John Lloyd. All rights reserved.
+// Use of this source code is governed by an MIT license
+// that can be found in the LICENSE file.
+
+module rand
+
+#include <stdlib.h>
+
+fn C.arc4random_buf(p &byte, n usize)
+
+// read returns an array of `bytes_needed` random bytes read from the OS.
+pub fn read(bytes_needed int) ?[]u8 {
+	mut buffer := unsafe { malloc_noscan(bytes_needed) }
+	C.arc4random_buf(buffer, bytes_needed)
+	return unsafe { buffer.vbytes(bytes_needed) }
+}