@class NSString; @interface POAlgorithm : NSObject <POJWTSigningAlgorithm> @property (readonly) struct __CFString { } *algorithm; @property (readonly) NSString *algorithmName; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)algorithmWithIdentifier:(id)a0; - (void).cxx_destruct; - (id)initWithSecKeyAlgorithm:(struct __CFString { } *)a0 algorithmName:(id)a1; - (id)signData:(id)a0 usingKey:(struct __SecKey { } *)a1; - (BOOL)verifySignature:(id)a0 onData:(id)a1 usingCertificateString:(id)a2; - (BOOL)verifySignature:(id)a0 onData:(id)a1 usingKey:(struct __SecKey { } *)a2; @end