X-Git-Url: https://git.quassel-irc.org/?a=blobdiff_plain;f=src%2Fcore%2Fcipher.cpp;h=fb6a69720668f7acd905e88e3989092046a91d8a;hb=4cf9c160f318a71400b032ea6d3031b9e6628a56;hp=3f299f40c04fcd24e6071f89f6cb7a60bcdc073c;hpb=310dc3ae20541ec5364a9e70a17f3322adb5723f;p=quassel.git diff --git a/src/core/cipher.cpp b/src/core/cipher.cpp index 3f299f40..fb6a6972 100644 --- a/src/core/cipher.cpp +++ b/src/core/cipher.cpp @@ -13,7 +13,7 @@ */ #include "cipher.h" -#include "logger.h" +#include "logmessage.h" Cipher::Cipher() { @@ -117,7 +117,6 @@ QByteArray Cipher::decrypt(QByteArray cipherText) // (if cbc and no error we parse cbc) || (if ecb and error we parse cbc) if ((m_cbc && !error) || (!m_cbc && error)) { - cipherText = cipherText; temp = blowfishCBC(cipherText, false); if (temp == cipherText) @@ -364,6 +363,10 @@ QByteArray Cipher::blowfishECB(QByteArray cipherText, bool direction) } else { + // ECB Blowfish encodes in blocks of 12 chars, so anything else is malformed input + if ((temp.length() % 12) != 0) + return cipherText; + temp = b64ToByte(temp); while ((temp.length() % 8) != 0) temp.append('\0'); } @@ -376,8 +379,13 @@ QByteArray Cipher::blowfishECB(QByteArray cipherText, bool direction) if (!cipher.ok()) return cipherText; - if (direction) + if (direction) { + // Sanity check + if ((temp2.length() % 8) != 0) + return cipherText; + temp2 = byteToB64(temp2); + } return temp2; }