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Code Issues Releases Wiki Activity

Add Hmac for MD5

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This commit is contained in:
Arnaud Bienner 2011-09-01 23:45:47 +02:00
parent 8d068f857f
commit 096680c576
2 changed files with 23 additions and 2 deletions
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18
src/core/utilities.cpp
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@ -302,7 +302,7 @@ void OpenInFileBrowser(const QStringList& filenames) {
}
}
QByteArray HmacSha256(const QByteArray& key, const QByteArray& data) {
QByteArray Hmac(const QByteArray& key, const QByteArray& data, HashFunction method) {
const int kBlockSize = 64; // bytes
Q_ASSERT(key.length() <= kBlockSize);
@ -313,8 +313,22 @@ QByteArray HmacSha256(const QByteArray& key, const QByteArray& data) {
inner_padding[i] = inner_padding[i] ^ key[i];
outer_padding[i] = outer_padding[i] ^ key[i];
}
if (Md5_Algo == method) {
return QCryptographicHash::hash(outer_padding +
QCryptographicHash::hash(inner_padding + data,
QCryptographicHash::Md5),
QCryptographicHash::Md5);
} else { // Sha256_Algo, currently default
return Sha256(outer_padding + Sha256(inner_padding + data));
}
}
return Sha256(outer_padding + Sha256(inner_padding + data));
QByteArray HmacSha256(const QByteArray& key, const QByteArray& data) {
return Hmac(key, data, Sha256_Algo);
}
QByteArray HmacMd5(const QByteArray& key, const QByteArray& data) {
return Hmac(key, data, Md5_Algo);
}
QByteArray Sha256(const QByteArray& data) {

7
src/core/utilities.h
View File

@ -20,6 +20,7 @@
#include <QColor>
#include <QLocale>
#include <QCryptographicHash>
#include <QSize>
#include <QString>
@ -49,6 +50,12 @@ namespace Utilities {
void OpenInFileBrowser(const QStringList& filenames);
enum HashFunction {
Md5_Algo,
Sha256_Algo,
};
QByteArray Hmac(const QByteArray& key, const QByteArray& data, HashFunction algo);
QByteArray HmacMd5(const QByteArray& key, const QByteArray& data);
QByteArray HmacSha256(const QByteArray& key, const QByteArray& data);
QByteArray Sha256(const QByteArray& data);