Struct cipherSuite

cipher_suites.go:134–146

A cipherSuite is a TLS 1.0–1.2 cipher suite, and defines the key exchange mechanism, as well as the cipher+MAC pair or the AEAD.

// A cipherSuite is a TLS 1.0–1.2 cipher suite, and defines the key exchange
// mechanism, as well as the cipher+MAC pair or the AEAD.
type cipherSuite struct {
	id uint16
	// the lengths, in bytes, of the key material needed for each component.
	keyLen int
	macLen int
	ivLen  int
	ka     func(version uint16) keyAgreement
	// flags is a bitmask of the suite* values, above.
	flags  int
	cipher func(key, iv []byte, isRead bool) any
	mac    func(key []byte) hash.Hash
	aead   func(key, fixedNonce []byte) aead
}

var cipherSuites = []*cipherSuite{ // TODO: replace with a map, since the order doesn't matter.
	{TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305, 32, 0, 12, ecdheRSAKA, suiteECDHE | suiteTLS12, nil, nil, aeadChaCha20Poly1305},