DragonX/SilentDragonXLite
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 1 Wiki Activity

update// added some stuff

Browse Source
This commit is contained in:
Strider
2020-05-23 15:23:07 +02:00
parent 1599f3631c
commit a72ba09ee3
8 changed files with 106 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
src/Crypto/FileEncryption.cpp
View File

@@ -7,42 +7,48 @@ void FileEncryption::showConfig()
int FileEncryption::encrypt(QString target_file, QString source_file, const unsigned char key[crypto_secretstream_xchacha20poly1305_KEYBYTES])
{
unsigned char buf_in[FILEENCRYPTION_CHUNK_SIZE];
unsigned char buf_out[FILEENCRYPTION_CHUNK_SIZE + crypto_secretstream_xchacha20poly1305_ABYTES];
unsigned char plain_data[FILEENCRYPTION_CHUNK_SIZE];
unsigned char cipher_data[FILEENCRYPTION_CHUNK_SIZE + crypto_secretstream_xchacha20poly1305_ABYTES];
unsigned char header[crypto_secretstream_xchacha20poly1305_HEADERBYTES];
crypto_secretstream_xchacha20poly1305_state st;
FILE *fp_t, *fp_s;
unsigned long long out_len;
crypto_secretstream_xchacha20poly1305_state state;
FILE *target, *source;
unsigned long long cipher_len;
size_t rlen;
int eof;
unsigned char tag;
fp_s = fopen(source_file.toStdString().c_str(), "rb");
fp_t = fopen(target_file.toStdString().c_str(), "wb");
crypto_secretstream_xchacha20poly1305_init_push(&st, header, key);
fwrite(header, 1, sizeof header, fp_t);
if(!FileEncryption::exists(source_file.toStdString()))
{
qDebug() << "File not exits" << source_file;
return -1;
}
source = fopen(source_file.toStdString().c_str(), "rb");
target = fopen(target_file.toStdString().c_str(), "wb");
crypto_secretstream_xchacha20poly1305_init_push(&state, header, key);
fwrite(header, 1, sizeof header, target);
do
{
rlen = fread(buf_in, 1, sizeof buf_in, fp_s);
eof = feof(fp_s);
rlen = fread(plain_data, 1, sizeof plain_data, source);
eof = feof(source);
tag = eof ? crypto_secretstream_xchacha20poly1305_TAG_FINAL : 0;
crypto_secretstream_xchacha20poly1305_push(
&st,
buf_out,
&out_len,
buf_in,
&state,
cipher_data,
&cipher_len,
plain_data,
rlen,
NULL,
0,
tag
);
fwrite(buf_out, 1, (size_t) out_len, fp_t);
fwrite(cipher_data, 1, (size_t) cipher_len, target);
}
while (! eof);
fclose(fp_t);
fclose(fp_s);
fclose(target);
fclose(source);
return 0;
}
@@ -59,6 +65,12 @@ int FileEncryption::decrypt(QString target_file, QString source_file, const unsi
int ret = -1;
unsigned char tag;
if(!FileEncryption::exists(source_file.toStdString()))
{
qDebug() << "File not exits" << source_file;
return -1;
}
fp_s = fopen(source_file.toStdString().c_str(), "rb");
fp_t = fopen(target_file.toStdString().c_str(), "wb");
fread(header, 1, sizeof header, fp_s);