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`, } ) // 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" }