Core Foundation and Security vendor libraries.

core/sys/darwin/Security/SecRandom.odin

@@ -0,0 +1,19 @@
+package Security
+
+import CF "core:sys/darwin/CoreFoundation"
+
+foreign import Security "system:Security.framework"
+
+// A reference to a random number generator.
+RandomRef :: distinct rawptr
+
+@(link_prefix="Sec", default_calling_convention="c")
+foreign Security {
+	// Default random ref for /dev/random. Synonym for nil.
+	@(link_name="kSecRandomDefault") kSecRandomDefault: RandomRef
+
+	// Generates an array of cryptographically secure random bytes.
+	RandomCopyBytes :: proc(rnd: RandomRef = kSecRandomDefault, count: uint, bytes: [^]byte) -> errSec ---
+
+	CopyErrorMessageString :: proc(status: errSec, reserved: rawptr = nil) -> CF.String ---
+}