tls.go

package httpretty

// A list of cipher suite IDs that are, or have been, implemented by the
// crypto/tls package.
// See https://www.iana.org/assignments/tls-parameters/tls-parameters.xml
// See https://github.com/golang/go/blob/c2edcf4b1253fdebc13df8a25979904c3ef01c66/src/crypto/tls/cipher_suites.go
var tlsCiphers = map[uint16]string{
	// TLS 1.0 - 1.2 cipher suites.
	0x0005: "TLS_RSA_WITH_RC4_128_SHA",
	0x000a: "TLS_RSA_WITH_3DES_EDE_CBC_SHA",
	0x002f: "TLS_RSA_WITH_AES_128_CBC_SHA",
	0x0035: "TLS_RSA_WITH_AES_256_CBC_SHA",
	0x003c: "TLS_RSA_WITH_AES_128_CBC_SHA256",
	0x009c: "TLS_RSA_WITH_AES_128_GCM_SHA256",
	0x009d: "TLS_RSA_WITH_AES_256_GCM_SHA384",
	0xc007: "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA",
	0xc009: "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA",
	0xc00a: "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA",
	0xc011: "TLS_ECDHE_RSA_WITH_RC4_128_SHA",
	0xc012: "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA",
	0xc013: "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA",
	0xc014: "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA",
	0xc023: "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256",
	0xc027: "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256",
	0xc02f: "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256",
	0xc02b: "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256",
	0xc030: "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384",
	0xc02c: "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384",
	0xcca8: "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256",
	0xcca9: "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256",

	// TLS 1.3 cipher suites.
	0x1301: "TLS_AES_128_GCM_SHA256",
	0x1302: "TLS_AES_256_GCM_SHA384",
	0x1303: "TLS_CHACHA20_POLY1305_SHA256",

	// TLS_FALLBACK_SCSV isn't a standard cipher suite but an indicator
	// that the client is doing version fallback. See RFC 7507.
	0x5600: "TLS_FALLBACK_SCSV",
}

// List of TLS protocol versions supported by Go.
// See https://github.com/golang/go/blob/f4a8bf128364e852cff87cf404a5c16c457ef8f6/src/crypto/tls/common.go
var tlsProtocolVersions = map[uint16]string{
	0x0301: "TLS 1.0",
	0x0302: "TLS 1.1",
	0x0303: "TLS 1.2",
	0x0304: "TLS 1.3",
}