traefik/pkg/tls/cipher.go

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2020-03-05 12:30:05 +00:00
package tls
import (
"crypto/tls"
)
var (
// CipherSuites Map of TLS CipherSuites from crypto/tls
// Available CipherSuites defined at https://golang.org/pkg/crypto/tls/#pkg-constants
CipherSuites = map[string]uint16{
`TLS_RSA_WITH_RC4_128_SHA`: tls.TLS_RSA_WITH_RC4_128_SHA,
`TLS_RSA_WITH_3DES_EDE_CBC_SHA`: tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
`TLS_RSA_WITH_AES_128_CBC_SHA`: tls.TLS_RSA_WITH_AES_128_CBC_SHA,
`TLS_RSA_WITH_AES_256_CBC_SHA`: tls.TLS_RSA_WITH_AES_256_CBC_SHA,
`TLS_RSA_WITH_AES_128_CBC_SHA256`: tls.TLS_RSA_WITH_AES_128_CBC_SHA256,
`TLS_RSA_WITH_AES_128_GCM_SHA256`: tls.TLS_RSA_WITH_AES_128_GCM_SHA256,
`TLS_RSA_WITH_AES_256_GCM_SHA384`: tls.TLS_RSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_ECDSA_WITH_RC4_128_SHA`: tls.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA`: tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
`TLS_ECDHE_RSA_WITH_RC4_128_SHA`: tls.TLS_ECDHE_RSA_WITH_RC4_128_SHA,
`TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
`TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
`TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
`TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256`: tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
`TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256`: tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
`TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
`TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384`: tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384`: tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305`: tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
`TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256`: tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
`TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305`: tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
`TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256`: tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,
`TLS_AES_128_GCM_SHA256`: tls.TLS_AES_128_GCM_SHA256,
`TLS_AES_256_GCM_SHA384`: tls.TLS_AES_256_GCM_SHA384,
`TLS_CHACHA20_POLY1305_SHA256`: tls.TLS_CHACHA20_POLY1305_SHA256,
`TLS_FALLBACK_SCSV`: tls.TLS_FALLBACK_SCSV,
}
// CipherSuitesReversed Map of TLS CipherSuites from crypto/tls
// Available CipherSuites defined at https://golang.org/pkg/crypto/tls/#pkg-constants
CipherSuitesReversed = map[uint16]string{
tls.TLS_RSA_WITH_RC4_128_SHA: `TLS_RSA_WITH_RC4_128_SHA`,
tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA: `TLS_RSA_WITH_3DES_EDE_CBC_SHA`,
tls.TLS_RSA_WITH_AES_128_CBC_SHA: `TLS_RSA_WITH_AES_128_CBC_SHA`,
tls.TLS_RSA_WITH_AES_256_CBC_SHA: `TLS_RSA_WITH_AES_256_CBC_SHA`,
tls.TLS_RSA_WITH_AES_128_CBC_SHA256: `TLS_RSA_WITH_AES_128_CBC_SHA256`,
tls.TLS_RSA_WITH_AES_128_GCM_SHA256: `TLS_RSA_WITH_AES_128_GCM_SHA256`,
tls.TLS_RSA_WITH_AES_256_GCM_SHA384: `TLS_RSA_WITH_AES_256_GCM_SHA384`,
tls.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA: `TLS_ECDHE_ECDSA_WITH_RC4_128_SHA`,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA: `TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA`,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA: `TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA`,
tls.TLS_ECDHE_RSA_WITH_RC4_128_SHA: `TLS_ECDHE_RSA_WITH_RC4_128_SHA`,
tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA: `TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA`,
tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA: `TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA`,
tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA: `TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA`,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256: `TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256`,
tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256: `TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256`,
tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256: `TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256`,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256: `TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256`,
tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384: `TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384`,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384: `TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384`,
tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256: `TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256`,
tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256: `TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256`,
tls.TLS_AES_128_GCM_SHA256: `TLS_AES_128_GCM_SHA256`,
tls.TLS_AES_256_GCM_SHA384: `TLS_AES_256_GCM_SHA384`,
tls.TLS_CHACHA20_POLY1305_SHA256: `TLS_CHACHA20_POLY1305_SHA256`,
tls.TLS_FALLBACK_SCSV: `TLS_FALLBACK_SCSV`,
}
)
2021-01-20 03:08:03 +00:00
// GetCipherName returns the Cipher suite name.
// Available CipherSuites defined at https://golang.org/pkg/crypto/tls/#pkg-constants
func GetCipherName(connState *tls.ConnectionState) string {
if cipher, ok := CipherSuitesReversed[connState.CipherSuite]; ok {
return cipher
}
return "unknown"
}