--- /dev/null
+//
+// SecSignatureVerificationSupport.h
+//
+//
+
+#ifndef _SECURITY_SECSIGNATUREVERIFICATION_H_
+#define _SECURITY_SECSIGNATUREVERIFICATION_H_
+
+#include <Availability.h>
+#include <CoreFoundation/CoreFoundation.h>
+#include <Security/SecKey.h>
+#include <Security/SecAsn1Types.h>
+
+
+bool SecVerifySignatureWithPublicKey(SecKeyRef publicKey, const SecAsn1AlgId *publicKeyAlgId,
+ const uint8_t *dataToHash, size_t amountToHash,
+ const uint8_t *signatureStart, size_t signatureSize,
+ CFErrorRef *error)
+ __OSX_AVAILABLE_STARTING(__MAC_10_12, __IPHONE_8_0);
+
+
+#endif /* _SECURITY_SECSIGNATUREVERIFICATION_H_ */