Hide cipher functions from docs

Signed-off-by: Jonathan Rudenberg <jonathan@titanous.com>

cipher_suite.go

@@ -136,41 +136,39 @@ func (c cipherFn) Cipher(k [32]byte) Cipher { return c.fn(k) }
 func (c cipherFn) CipherName() string       { return c.name }
 
 // CipherAESGCM is the AES256-GCM AEAD cipher.
-var CipherAESGCM CipherFunc = cipherFn{
+var CipherAESGCM CipherFunc = cipherFn{cipherAESGCM, "AESGCM"}
-	func(k [32]byte) Cipher {
+
-		c, err := aes.NewCipher(k[:])
+func cipherAESGCM(k [32]byte) Cipher {
-		if err != nil {
+	c, err := aes.NewCipher(k[:])
-			panic(err)
+	if err != nil {
-		}
+		panic(err)
-		gcm, err := cipher.NewGCM(c)
+	}
-		if err != nil {
+	gcm, err := cipher.NewGCM(c)
-			panic(err)
+	if err != nil {
-		}
+		panic(err)
-		return aeadCipher{
+	}
-			gcm,
+	return aeadCipher{
-			func(n uint64) []byte {
+		gcm,
-				var nonce [12]byte
+		func(n uint64) []byte {
-				binary.BigEndian.PutUint64(nonce[4:], n)
+			var nonce [12]byte
-				return nonce[:]
+			binary.BigEndian.PutUint64(nonce[4:], n)
-			},
+			return nonce[:]
-		}
+		},
-	},
+	}
-	"AESGCM",
 }
 
 // CipherChaChaPoly is the ChaCha20-Poly1305 AEAD cipher construction.
-var CipherChaChaPoly CipherFunc = cipherFn{
+var CipherChaChaPoly CipherFunc = cipherFn{cipherChaChaPoly, "ChaChaPoly"}
-	func(k [32]byte) Cipher {
+
-		return aeadCipher{
+func cipherChaChaPoly(k [32]byte) Cipher {
-			chap.NewCipher(&k),
+	return aeadCipher{
-			func(n uint64) []byte {
+		chap.NewCipher(&k),
-				var nonce [12]byte
+		func(n uint64) []byte {
-				binary.LittleEndian.PutUint64(nonce[4:], n)
+			var nonce [12]byte
-				return nonce[:]
+			binary.LittleEndian.PutUint64(nonce[4:], n)
-			},
+			return nonce[:]
-		}
+		},
-	},
+	}
-	"ChaChaPoly",
 }
 
 type aeadCipher struct {