添加const优化

Author: dushibaiyu

QAes/aes.c

@@ -255,7 +255,7 @@ void aes_encrypt_cbc(const BYTE in[], size_t in_len,const BYTE * lastBlock, BYTE
         memcpy(iv_buf, buf_out, AES_BLOCK_SIZE);
     }
 
-	return(TRUE);
+    return;
 }
 
 void aes_decrypt_cbc(const BYTE in[], size_t in_len, BYTE out[], const WORD key[], int keysize, const BYTE iv[])
@@ -276,7 +276,7 @@ void aes_decrypt_cbc(const BYTE in[], size_t in_len, BYTE out[], const WORD key[
 	}
 
 
-	return(TRUE);
+    return;
 }
 
 int aes_encrypt_cbc_mac(const BYTE in[], size_t in_len, BYTE out[], const WORD key[], int keysize, const BYTE iv[])

QAes/qaeswrap.cpp

@@ -9,7 +9,7 @@ QAesWrap::QAesWrap(const QByteArray & passwprd,const QByteArray & salt,AesBit bi
     memcpy(msalt,data.data(),AES_BLOCK_SIZE);
 }
 
-bool QAesWrap::encrypt(const QByteArray & in, QByteArray & out, AesMode mode,PaddingMode pad)
+bool QAesWrap::encrypt(const QByteArray & in, QByteArray & out, AesMode mode,PaddingMode pad) const
 {
     out.clear();
     switch (mode) {
@@ -27,7 +27,7 @@ bool QAesWrap::encrypt(const QByteArray & in, QByteArray & out, AesMode mode,Pad
     return true;
 }
 
-void QAesWrap::initPadding(const QByteArray & in,QByteArray & out,AesMode mode,PaddingMode pad)
+void QAesWrap::initPadding(const QByteArray & in,QByteArray & out,AesMode mode,PaddingMode pad) const
 {
     int size = in.size();
     int last = size % AES_BLOCK_SIZE;
@@ -86,7 +86,7 @@ void QAesWrap::initPadding(const QByteArray & in,QByteArray & out,AesMode mode,P
     }
 }
 
-void QAesWrap::ecbencrypt(const BYTE * in, size_t size, BYTE *blcok, QByteArray & out)
+void QAesWrap::ecbencrypt(const BYTE * in, size_t size, BYTE *blcok, QByteArray & out) const
 {
     BYTE buf_in[AES_BLOCK_SIZE] = {0}, buf_out[AES_BLOCK_SIZE] = {0};
     int blocks, idx;
@@ -106,7 +106,7 @@ void QAesWrap::ecbencrypt(const BYTE * in, size_t size, BYTE *blcok, QByteArray
     }
 }
 
-void QAesWrap::ecbdecrypt(const BYTE *in, size_t size, QByteArray & out)
+void QAesWrap::ecbdecrypt(const BYTE *in, size_t size, QByteArray & out) const
 {
     BYTE buf_in[AES_BLOCK_SIZE] = {0}, buf_out[AES_BLOCK_SIZE] = {0};
     int blocks, idx;
@@ -121,7 +121,7 @@ void QAesWrap::ecbdecrypt(const BYTE *in, size_t size, QByteArray & out)
     }
 }
 
-bool QAesWrap::decrypt(const QByteArray & in, QByteArray & out, AesMode mode,PaddingMode pad)
+bool QAesWrap::decrypt(const QByteArray & in, QByteArray & out, AesMode mode,PaddingMode pad) const
 {
     out.clear();
     int size = in.size();

QAes/qaeswrap.h

@@ -28,24 +28,24 @@ class QAesWrap
 public:
     QAesWrap(const QByteArray & passwprd,const QByteArray & salt,AesBit bit);
 
-    bool encrypt(const QByteArray & in, QByteArray & out, AesMode mode,PaddingMode pad = PKCS7);
-    bool decrypt(const QByteArray & in, QByteArray & out, AesMode mode,PaddingMode pad = PKCS7);
+    bool encrypt(const QByteArray & in, QByteArray & out, AesMode mode,PaddingMode pad = PKCS7) const;
+    bool decrypt(const QByteArray & in, QByteArray & out, AesMode mode,PaddingMode pad = PKCS7) const;
 
-    inline QByteArray encrypt(const QByteArray & data,AesMode mode,PaddingMode pad = PKCS7){
+    inline QByteArray encrypt(const QByteArray & data,AesMode mode,PaddingMode pad = PKCS7) const {
           QByteArray out;
           encrypt(data,out,mode,pad);
           return out;
     }
 
-    inline QByteArray decrypt(const QByteArray & data,AesMode mode,PaddingMode pad = PKCS7){
+    inline QByteArray decrypt(const QByteArray & data,AesMode mode,PaddingMode pad = PKCS7) const {
           QByteArray out;
           decrypt(data,out,mode,pad);
           return out;
     }
 private:
-    void ecbencrypt(const BYTE *in, size_t size, BYTE *blcok, QByteArray & out);
-    void ecbdecrypt(const BYTE *in, size_t size, QByteArray & out);
-    void initPadding(const QByteArray & in,QByteArray & out,AesMode mode,PaddingMode pad);
+    void ecbencrypt(const BYTE *in, size_t size, BYTE *blcok, QByteArray & out) const;
+    void ecbdecrypt(const BYTE *in, size_t size, QByteArray & out) const;
+    void initPadding(const QByteArray & in,QByteArray & out,AesMode mode,PaddingMode pad) const;
 private:
     AesBit mbit;
     WORD mpass[60];