xtea: comment cleanup

Change-Id: Ibd61a57fbbaa2775adb370a7e91b6dc0f8ca8782
GitHub-Last-Rev: f0111f4a5f
GitHub-Pull-Request: golang/crypto#36
Reviewed-on: https://go-review.googlesource.com/102035
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

xtea/block.go

@@ -50,7 +50,7 @@ func encryptBlock(c *Cipher, dst, src []byte) {
 	uint32ToBlock(v0, v1, dst)
 }
 
-// decryptBlock decrypt a single 8 byte block using XTEA.
+// decryptBlock decrypts a single 8 byte block using XTEA.
 func decryptBlock(c *Cipher, dst, src []byte) {
 	v0, v1 := blockToUint32(src)
 

xtea/cipher.go

@@ -14,8 +14,8 @@ import "strconv"
 const BlockSize = 8
 
 // A Cipher is an instance of an XTEA cipher using a particular key.
-// table contains a series of precalculated values that are used each round.
 type Cipher struct {
+	// table contains a series of precalculated values that are used each round.
 	table [64]uint32
 }
 
@@ -54,7 +54,7 @@ func (c *Cipher) BlockSize() int { return BlockSize }
 // instead, use an encryption mode like CBC (see crypto/cipher/cbc.go).
 func (c *Cipher) Encrypt(dst, src []byte) { encryptBlock(c, dst, src) }
 
-// Decrypt decrypts the 8 byte buffer src using the key k and stores the result in dst.
+// Decrypt decrypts the 8 byte buffer src using the key and stores the result in dst.
 func (c *Cipher) Decrypt(dst, src []byte) { decryptBlock(c, dst, src) }
 
 // initCipher initializes the cipher context by creating a look up table