tls12

README

tls12

Partially implemented TLS 1.2.

Implement a part of the handshake to get information about the server.

Relevant RFC: RFC 5246

Errors silenced

readServerResponse()

• Timeout while reading response.
• Some server send RST (TCP Reset) inmediately after Alert(Handshake Failure) at the initial handshake. This causing a connection reset by peer error. But if the response is exactly 7 byte, the handshake was OK, but SSLv3 is not supported.

getSupportedCiphers()

• Some server respond an RST without Alert(Handshake Failure) when checking only one cipher. This means that the cipher is not supported.

Documentation

Index

• Constants
• func Probe(network, ip, port string, timeout time.Duration, servername string) (bool, error)
• type TLS12
  • func Handshake(network, ip, port string, timeout time.Duration, servername string) (TLS12, error)
  • func Scan(network, ip, port string, timeout time.Duration, servername string) (TLS12, error)

Constants

const (
	VER_MAJOR uint8 = 0x03
	VER_MINOR uint8 = 0x03
)

Functions

func Probe

func Probe(network, ip, port string, timeout time.Duration, servername string) (bool, error)

Types

type TLS12

type TLS12 struct {
	Supported     bool
	Certificates  []x509.Certificate
	DefaultCipher ciphersuite.CipherSuite
	Ciphers       []ciphersuite.CipherSuite
}

func Handshake

func Handshake(network, ip, port string, timeout time.Duration, servername string) (TLS12, error)

func Scan

func Scan(network, ip, port string, timeout time.Duration, servername string) (TLS12, error)