Security watchOS 3.2 to 4.0 API Differences

CipherSuite.h
Added TLS_AES_128_GCM_SHA256
Added TLS_AES_256_GCM_SHA384
Added TLS_CHACHA20_POLY1305_SHA256
Added TLS_AES_128_CCM_SHA256
Added TLS_AES_128_CCM_8_SHA256
Added TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
Added TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
SecBase.h
Added errSecMissingEntitlement
SecCertificate.h
Added SecCertificateCopySerialNumberData()
Modified SecCertificateCopySerialNumber()
AvailabilityDeprecation Message
FromAvailablenone
ToDeprecatedSecCertificateCopySerialNumber is deprecated. Use SecCertificateCopySerialNumberData instead.

SecItem.h
Added kSecAttrPersistantReference
Added kSecAttrPersistentReference
SecKey.h
Added kSecKeyAlgorithmRSASignatureDigestPSSSHA1
Added kSecKeyAlgorithmRSASignatureDigestPSSSHA224
Added kSecKeyAlgorithmRSASignatureDigestPSSSHA256
Added kSecKeyAlgorithmRSASignatureDigestPSSSHA384
Added kSecKeyAlgorithmRSASignatureDigestPSSSHA512
Added kSecKeyAlgorithmRSASignatureMessagePSSSHA1
Added kSecKeyAlgorithmRSASignatureMessagePSSSHA224
Added kSecKeyAlgorithmRSASignatureMessagePSSSHA256
Added kSecKeyAlgorithmRSASignatureMessagePSSSHA384
Added kSecKeyAlgorithmRSASignatureMessagePSSSHA512
Added kSecKeyAlgorithmECIESEncryptionStandardVariableIVX963SHA224AESGCM
Added kSecKeyAlgorithmECIESEncryptionStandardVariableIVX963SHA256AESGCM
Added kSecKeyAlgorithmECIESEncryptionStandardVariableIVX963SHA384AESGCM
Added kSecKeyAlgorithmECIESEncryptionStandardVariableIVX963SHA512AESGCM
Added kSecKeyAlgorithmECIESEncryptionCofactorVariableIVX963SHA224AESGCM
Added kSecKeyAlgorithmECIESEncryptionCofactorVariableIVX963SHA256AESGCM
Added kSecKeyAlgorithmECIESEncryptionCofactorVariableIVX963SHA384AESGCM
Added kSecKeyAlgorithmECIESEncryptionCofactorVariableIVX963SHA512AESGCM
SecRandom.h
Modified SecRandomCopyBytes()
Declaration
Fromint SecRandomCopyBytes(SecRandomRef _Nullable rnd, size_t count, uint8_t * _Nonnull bytes)
Toint SecRandomCopyBytes(SecRandomRef _Nullable rnd, size_t count, void * _Nonnull bytes)

SecTrust.h
Modified kSecTrustCertificateTransparencyWhiteList
Availability
FromAvailable
ToDeprecated

SecureTransport.h
Added kTLSProtocol13
Added kTLSProtocolMaxSupported
Added kSSLSessionOptionEnableSessionTickets
Added SSLSetSessionTicketsEnabled()
Added SSLSetALPNProtocols()
Added SSLCopyALPNProtocols()
Added SSLSetOCSPResponse()
Added SSLSetError()
Modified kSSLSessionConfig_default
Availability
FromAvailable
ToDeprecated

Modified kSSLSessionConfig_RC4_fallback
Availability
FromAvailable
ToDeprecated

Modified kSSLSessionConfig_TLSv1_RC4_fallback
Availability
FromAvailable
ToDeprecated

Modified kSSLSessionConfig_3DES_fallback
Availability
FromAvailable
ToDeprecated

Modified kSSLSessionConfig_TLSv1_3DES_fallback
Availability
FromAvailable
ToDeprecated