Falkon/falkonOfficial
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Fixed compilation for Openssl 1.1.0

Browse Source 
Most of libcrypto and libssl internal structures were made
opaque in this version not allowing to instatiate them in
the stack.

More info:
    * https://www.openssl.org/news/openssl-1.1.0-notes.html
    * https://github.com/openssl/openssl/issues/962#issuecomment-208792020
This commit is contained in:
Jose Rios 2017-05-01 02:12:26 +01:00 committed by David Rosca
parent 5e12180377
commit efc4725e91
2 changed files with 18 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
src/lib/tools/aesinterface.cpp
View File

@ -39,14 +39,18 @@ AesInterface::AesInterface(QObject* parent)
: QObject(parent)
, m_ok(false)
{
EVP_CIPHER_CTX_init(&m_encodeCTX);
EVP_CIPHER_CTX_init(&m_decodeCTX);
m_encodeCTX = EVP_CIPHER_CTX_new();
m_decodeCTX = EVP_CIPHER_CTX_new();
EVP_CIPHER_CTX_init(m_encodeCTX);
EVP_CIPHER_CTX_init(m_decodeCTX);
}
AesInterface::~AesInterface()
{
EVP_CIPHER_CTX_cleanup(&m_encodeCTX);
EVP_CIPHER_CTX_cleanup(&m_decodeCTX);
EVP_CIPHER_CTX_cleanup(m_encodeCTX);
EVP_CIPHER_CTX_cleanup(m_decodeCTX);
EVP_CIPHER_CTX_free(m_encodeCTX);
EVP_CIPHER_CTX_free(m_decodeCTX);
}
bool AesInterface::isOk()
@ -78,10 +82,10 @@ bool AesInterface::init(int evpMode, const QByteArray &password, const QByteArra
int result = 0;
if (evpMode == EVP_PKEY_MO_ENCRYPT) {
m_iVector = createRandomData(EVP_MAX_IV_LENGTH);
result = EVP_EncryptInit_ex(&m_encodeCTX, EVP_aes_256_cbc(), NULL, key, (uchar*)m_iVector.constData());
result = EVP_EncryptInit_ex(m_encodeCTX, EVP_aes_256_cbc(), NULL, key, (uchar*)m_iVector.constData());
}
else if (evpMode == EVP_PKEY_MO_DECRYPT) {
result = EVP_DecryptInit_ex(&m_decodeCTX, EVP_aes_256_cbc(), NULL, key, (uchar*)iVector.constData());
result = EVP_DecryptInit_ex(m_decodeCTX, EVP_aes_256_cbc(), NULL, key, (uchar*)iVector.constData());
}
if (result == 0) {
@ -106,14 +110,14 @@ QByteArray AesInterface::encrypt(const QByteArray &plainData, const QByteArray &
uchar* ciphertext = (uchar*)malloc(cipherlength);
// allows reusing of 'm_encodeCTX' for multiple encryption cycles
EVP_EncryptInit_ex(&m_encodeCTX, NULL, NULL, NULL, NULL);
EVP_EncryptInit_ex(m_encodeCTX, NULL, NULL, NULL, NULL);
// update ciphertext, c_len is filled with the length of ciphertext generated,
// dataLength is the size of plaintext in bytes
EVP_EncryptUpdate(&m_encodeCTX, ciphertext, &cipherlength, (uchar*)plainData.data(), dataLength);
EVP_EncryptUpdate(m_encodeCTX, ciphertext, &cipherlength, (uchar*)plainData.data(), dataLength);
// update ciphertext with the final remaining bytes
EVP_EncryptFinal_ex(&m_encodeCTX, ciphertext + cipherlength, &finalLength);
EVP_EncryptFinal_ex(m_encodeCTX, ciphertext + cipherlength, &finalLength);
dataLength = cipherlength + finalLength;
QByteArray out((char*)ciphertext, dataLength);
@ -163,9 +167,9 @@ QByteArray AesInterface::decrypt(const QByteArray &cipherData, const QByteArray
// because we have padding ON, we must allocate an extra cipher block size of memory
uchar* plainText = (uchar*)malloc(plainTextLength + AES_BLOCK_SIZE);
EVP_DecryptInit_ex(&m_decodeCTX, NULL, NULL, NULL, NULL);
EVP_DecryptUpdate(&m_decodeCTX, plainText, &plainTextLength, cipherText, cipherLength);
int success = EVP_DecryptFinal_ex(&m_decodeCTX, plainText + plainTextLength, &finalLength);
EVP_DecryptInit_ex(m_decodeCTX, NULL, NULL, NULL, NULL);
EVP_DecryptUpdate(m_decodeCTX, plainText, &plainTextLength, cipherText, cipherLength);
int success = EVP_DecryptFinal_ex(m_decodeCTX, plainText + plainTextLength, &finalLength);
cipherLength = plainTextLength + finalLength;

4
src/lib/tools/aesinterface.h
View File

@ -50,8 +50,8 @@ public:
private:
bool init(int evpMode, const QByteArray &password, const QByteArray &iVector = QByteArray());
EVP_CIPHER_CTX m_encodeCTX;
EVP_CIPHER_CTX m_decodeCTX;
EVP_CIPHER_CTX* m_encodeCTX;
EVP_CIPHER_CTX* m_decodeCTX;
bool m_ok;
QByteArray m_iVector;