extern const SecKeyAlgorithm _Nonnull kSecKeyAlgorithmECDSASignatureDigestRFC4754
extern const SecKeyAlgorithm _Nonnull kSecKeyAlgorithmECDSASignatureDigestRFC4754SHA1
extern const SecKeyAlgorithm _Nonnull kSecKeyAlgorithmECDSASignatureDigestRFC4754SHA224
extern const SecKeyAlgorithm _Nonnull kSecKeyAlgorithmECDSASignatureDigestRFC4754SHA256
extern const SecKeyAlgorithm _Nonnull kSecKeyAlgorithmECDSASignatureDigestRFC4754SHA384
extern const SecKeyAlgorithm _Nonnull kSecKeyAlgorithmECDSASignatureDigestRFC4754SHA512
extern const SecKeyAlgorithm _Nonnull kSecKeyAlgorithmECDSASignatureMessageRFC4754SHA1
extern const SecKeyAlgorithm _Nonnull kSecKeyAlgorithmECDSASignatureMessageRFC4754SHA224
extern const SecKeyAlgorithm _Nonnull kSecKeyAlgorithmECDSASignatureMessageRFC4754SHA256
extern const SecKeyAlgorithm _Nonnull kSecKeyAlgorithmECDSASignatureMessageRFC4754SHA384
extern const SecKeyAlgorithm _Nonnull kSecKeyAlgorithmECDSASignatureMessageRFC4754SHA512