为空直接返回

dushibaiyu · dushibaiyu · commit 04bbc7d86be0 · 2015-08-17T11:04:14.000+08:00
diff --git a/QAes/qaeswrap.cpp b/QAes/qaeswrap.cpp
@@ -11,6 +11,7 @@ QAesWrap::QAesWrap(const QByteArray & passwprd,const QByteArray & salt,AesBit bi
 
 bool QAesWrap::encrypt(const QByteArray & in, QByteArray & out, AesMode mode,PaddingMode pad) const
 {
+    if (in.isEmpty()) return false;
     out.clear();
     switch (mode) {
     case AES_CTR:
@@ -123,6 +124,7 @@ void QAesWrap::ecbdecrypt(const BYTE *in, size_t size, QByteArray & out) const
 
 bool QAesWrap::decrypt(const QByteArray & in, QByteArray & out, AesMode mode,PaddingMode pad) const
 {
+    if (in.isEmpty()) return false;
     out.clear();
     int size = in.size();
     out.resize(size);

Original file line number	Diff line number	Diff line change
`@@ -11,6 +11,7 @@ QAesWrap::QAesWrap(const QByteArray & passwprd,const QByteArray & salt,AesBit bi`
`11`	`11`
`12`	`12`	`bool QAesWrap::encrypt(const QByteArray & in, QByteArray & out, AesMode mode,PaddingMode pad) const`
`13`	`13`	`{`
	`14`	`+ if (in.isEmpty()) return false;`
`14`	`15`	`out.clear();`
`15`	`16`	`switch (mode) {`
`16`	`17`	`case AES_CTR:`
`@@ -123,6 +124,7 @@ void QAesWrap::ecbdecrypt(const BYTE *in, size_t size, QByteArray & out) const`
`123`	`124`
`124`	`125`	`bool QAesWrap::decrypt(const QByteArray & in, QByteArray & out, AesMode mode,PaddingMode pad) const`
`125`	`126`	`{`
	`127`	`+ if (in.isEmpty()) return false;`
`126`	`128`	`out.clear();`
`127`	`129`	`int size = in.size();`
`128`	`130`	`out.resize(size);`