tlshandshake/lib.go

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Go
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2019-05-11 00:09:36 +01:00
package tlshandshake
import (
"fmt"
trs "github.com/henrydcase/trs"
)
var TlsVersionToName = map[uint16]string{
trs.VersionTLS10: "1.0",
trs.VersionTLS11: "1.1",
trs.VersionTLS12: "1.2",
trs.VersionTLS13: "1.3",
}
var CipherSuiteIdToName = map[uint16]string{
trs.TLS_RSA_WITH_AES_128_CBC_SHA: "TLS_RSA_WITH_AES_128_CBC_SHA",
trs.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256: "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256",
trs.TLS_AES_128_GCM_SHA256: "TLS_AES_128_GCM_SHA256",
trs.TLS_AES_256_GCM_SHA384: "TLS_AES_256_GCM_SHA384",
trs.TLS_CHACHA20_POLY1305_SHA256: "TLS_CHACHA20_POLY1305_SHA256",
}
var NamedGroupsToName = map[uint16]string{
uint16(trs.HybridSIDHp503Curve25519): "X25519-SIDHp503",
uint16(trs.HybridSIKEp503Curve25519): "X25519-SIKEp503",
uint16(trs.X25519): "X25519",
uint16(trs.CurveP256): "P-256",
uint16(trs.CurveP384): "P-384",
uint16(trs.CurveP521): "P-521",
}
var failed uint
type Client struct {
TLS trs.Config
Addr string
}
func NewClient() *Client {
var c Client
c.TLS.InsecureSkipVerify = true
return &c
}
func (c *Client) Run() {
fmt.Printf("TLS %s with %s\n", TlsVersionToName[c.TLS.MinVersion], CipherSuiteIdToName[c.TLS.CipherSuites[0]])
con, err := trs.Dial("tcp", c.Addr, &c.TLS)
if err != nil {
fmt.Printf("handshake failed: %v\n\n", err)
failed++
return
}
defer con.Close()
fmt.Printf("[TLS: %s]\n", TlsVersionToName[con.ConnectionState().Version])
fmt.Println("OK\n")
}
func (c *Client) Clone() *Client {
var clone Client
clone.TLS = *c.TLS.Clone()
clone.Addr = c.Addr
return &clone
}
func (c *Client) SetMinMaxTLS(ver uint16) {
c.TLS.MinVersion = ver
c.TLS.MaxVersion = ver
}