stubbed out cipher funcs

cipher/types.go

@@ -5,6 +5,8 @@ import (
 )
 
 type Cipher interface {
+	// Setup initializes the Cipher with a given key.
+	Setup(key []byte) (err error)
 	// Name returns the string form of the cipher name.
 	Name() (name string)
 	// NameBytes returns the Name result but in bytes, with a leading uint32 bytecount packed in.
@@ -13,8 +15,6 @@ type Cipher interface {
 	BlockSize() (size int)
 	// KdfKeySize returns the desired/needed key size for use with kdf.KDF.
 	KdfKeySize() (size int)
-	// Setup initializes the Cipher with a given key.
-	Setup(key []byte) (err error)
 	/*
 		Encrypt takes plain data, either a:
 			- string
@@ -26,6 +26,16 @@ type Cipher interface {
 	Encrypt(data interface{}) (encrypted *bytes.Reader, err error)
 	// AllocateEncrypt is exactly like cipher.Cipher.Encrypt except that it includes a (NON-encrypted) uint32 prefix of byte allocation.
 	AllocateEncrypt(data interface{}) (encrypted *bytes.Reader, err error)
+	/*
+		Pad returns padded bytes in a *bytes.Buffer according to the cipher's padding specification.
+		data can be one of either:
+			- string
+			- raw byte slice ([]byte or []uint8)
+			- single byte (byte or uint8)
+			- *bytes.Buffer
+		This is a prerequisite in some ciphers, and must be performed BEFORE encrypting.
+	*/
+	Pad(data interface{}) (paddedBuf *bytes.Reader, err error)
 	/*
 		Decrypt takes encrypted data, either a:
 			- raw byte slice ([]byte or []uint8)
@@ -37,14 +47,4 @@ type Cipher interface {
 	AllocatedDecrypt(data interface{}) (decrypted *bytes.Reader, err error)
 	// IsPlain returns true if this is a "null" cipher; i.e. no encryption is actually performed.
 	IsPlain() (plain bool)
-	/*
-		Pad returns padded bytes in a *bytes.Buffer according to the cipher's padding specification.
-		data can be one of either:
-			- string
-			- raw byte slice ([]byte or []uint8)
-			- single byte (byte or uint8)
-			- *bytes.Buffer
-		This is a prerequisite in some ciphers, and must be performed BEFORE encrypting.
-	*/
-	Pad(data interface{}) (paddedBuf *bytes.Reader, err error)
 }