CURLNSSLBackendMBS.kErrorNoBackends = 3

Type	Topic	Plugin	Version
const	CURL	MBS CURL Plugin	18.2

One of the error codes.

libcurl was built without any SSL support

CURLNSSLBackendMBS.kErrorOK = 0

Type	Topic	Plugin	Version
const	CURL	MBS CURL Plugin	18.2

One of the error codes.

OK

CURLNSSLBackendMBS.kErrorTooLate = 2

Type	Topic	Plugin	Version
const	CURL	MBS CURL Plugin	18.2

One of the error codes.

You can't set SSL backend after SSL initialization.

CURLNSSLBackendMBS.kErrorUnknownBackend = 1

Type	Topic	Plugin	Version
const	CURL	MBS CURL Plugin	18.2

One of the error codes.

Unknown backend name or ID.

CURLNSSLBackendMBS.kSSLBackendDarwinSSL = 9

Type	Topic	Plugin	Version
const	CURL	MBS CURL Plugin	18.2

One of the SSL backend IDs.

DarwinSSL

CURLNSSLBackendMBS.kSSLBackendGNUTLS = 2

Type	Topic	Plugin	Version
const	CURL	MBS CURL Plugin	18.2

One of the SSL backend IDs.

GNUTLS

CURLNSSLBackendMBS.kSSLBackendGSKIT = 5

Type	Topic	Plugin	Version
const	CURL	MBS CURL Plugin	18.2

One of the SSL backend IDs.

GSKIT

CURLNSSLBackendMBS.kSSLBackendMBEDTLS = 11

Type	Topic	Plugin	Version
const	CURL	MBS CURL Plugin	18.2

One of the SSL backend IDs.

MBEDTLS

CURLNSSLBackendMBS.kSSLBackendNone = 0

Type	Topic	Plugin	Version
const	CURL	MBS CURL Plugin	18.2

One of the SSL backend IDs.

CURLNSSLBackendMBS.kSSLBackendNSS = 3

Type	Topic	Plugin	Version
const	CURL	MBS CURL Plugin	18.2

One of the SSL backend IDs.

NSS

CURLNSSLBackendMBS.kSSLBackendOpenSSL = 1

Type	Topic	Plugin	Version
const	CURL	MBS CURL Plugin	18.2

One of the SSL backend IDs.

OpenSSL or BoringSSL

CURLNSSLBackendMBS.kSSLBackendSChannel = 8

Type	Topic	Plugin	Version
const	CURL	MBS CURL Plugin	18.2

One of the SSL backend IDs.

SChannel

CURLNSSLBackendMBS.kSSLBackendSecureTransport = 9

Type	Topic	Plugin	Version
const	CURL	MBS CURL Plugin	19.2

One of the SSL backend IDs.

DarwinSSL

CURLNSSLBackendMBS.kSSLBackendWolfSSL = 7

Type	Topic	Plugin	Version
const	CURL	MBS CURL Plugin	18.2

One of the SSL backend IDs.

WolfSSL