mirrors/nextcloud-desktop
1
0
Fork 0
mirror of https://github.com/nextcloud/desktop.git synced 2024-12-13 15:46:01 +03:00
Code Issues Projects Releases Packages Wiki Activity

[CSE] Debug statements to help find the encrypt error

Browse source
This commit is contained in:
Tomaz Canabrava 2017-10-16 20:24:27 +02:00 committed by Roeland Jago Douma
parent 08dfe86f37
commit 78136a10b0
No known key found for this signature in database
GPG key ID: F941078878347C0C
1 changed files with 17 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
src/libsync/clientsideencryption.cpp
View file

@ -32,7 +32,6 @@ QString baseDirectory = QDir::homePath() + QStringLiteral("/.nextcloud-keys/");
namespace {
void handleErrors(void)
{
qCInfo(lcCse()) << "Error handling encryption or decryption";
ERR_print_errors_fp(stdout); // This line is not printing anything.
fflush(stdout);
}
@ -52,21 +51,25 @@ namespace {
/* Create and initialise the context */
if(!(ctx = EVP_CIPHER_CTX_new())) {
qCInfo(lcCse()) << "Error creating the Cipher.";
handleErrors();
}
/* Initialise the encryption operation. */
if(1 != EVP_EncryptInit_ex(ctx, EVP_aes_256_gcm(), NULL, NULL, NULL)) {
qCInfo(lcCse()) << "Error initializing the context with aes_256";
handleErrors();
}
/* Set IV length if default 12 bytes (96 bits) is not appropriate */
if(1 != EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, 16, NULL)) {
qCInfo(lcCse()) << "Error setting the iv length to 16 bits. ";
handleErrors();
}
/* Initialise key and IV */
if(1 != EVP_EncryptInit_ex(ctx, NULL, NULL, key, iv)) {
qCInfo(lcCse()) << "Error initializing encryption";
handleErrors();
}
@ -74,6 +77,7 @@ namespace {
* required
*/
if(1 != EVP_EncryptUpdate(ctx, NULL, &len, aad, aad_len)) {
qCInfo(lcCse()) << "Error calling the Encrypt Update";
handleErrors();
}
@ -81,6 +85,7 @@ namespace {
* EVP_EncryptUpdate can be called multiple times if necessary
*/
if(1 != EVP_EncryptUpdate(ctx, ciphertext, &len, plaintext, plaintext_len)) {
qCInfo(lcCse()) << "Error encrypting the cipher ext"; // Current error is here.
handleErrors();
}
ciphertext_len = len;
@ -89,12 +94,14 @@ namespace {
* this stage, but this does not occur in GCM mode
*/
if(1 != EVP_EncryptFinal_ex(ctx, ciphertext + len, &len)) {
qCInfo(lcCse()) << "Error finalizing the encryption";
handleErrors();
}
ciphertext_len += len;
/* Get the tag */
if(1 != EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, 16, tag)) {
qCInfo(lcCse()) << "Error Retrieving the tag";
handleErrors();
}
@ -120,21 +127,25 @@ namespace {
/* Create and initialise the context */
if(!(ctx = EVP_CIPHER_CTX_new())) {
qCInfo(lcCse()) << "Error Initializing the decrypt context";
handleErrors();
}
/* Initialise the decryption operation. */
if(!EVP_DecryptInit_ex(ctx, EVP_aes_256_gcm(), NULL, NULL, NULL)) {
qCInfo(lcCse()) << "Error initializing the decryption context";
handleErrors();
}
/* Set IV length. Not necessary if this is 12 bytes (96 bits) */
if(!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, 16, NULL)) {
qCInfo(lcCse()) << "Error seting th iv length for the decrypt context";
handleErrors();
}
/* Initialise key and IV */
if(!EVP_DecryptInit_ex(ctx, NULL, NULL, key, iv)) {
qCInfo(lcCse()) << "Error setting the key and iv for decryption";
handleErrors();
}
@ -142,6 +153,7 @@ namespace {
* required
*/
if(!EVP_DecryptUpdate(ctx, NULL, &len, aad, aad_len)) {
qCInfo(lcCse()) << "Error updating the decrypt context with aad information";
handleErrors();
}
@ -149,12 +161,14 @@ namespace {
* EVP_DecryptUpdate can be called multiple times if necessary
*/
if(!EVP_DecryptUpdate(ctx, plaintext, &len, ciphertext, ciphertext_len)) {
qCInfo(lcCse()) << "Error decrypting the text";
handleErrors();
}
plaintext_len = len;
/* Set expected tag value. Works in OpenSSL 1.0.1d and later */
if(!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, 16, tag)) {
qCInfo(lcCse()) << "Error setting the tag on the decrupt context";
handleErrors();
}
@ -174,6 +188,7 @@ namespace {
}
else
{
qCInfo(lcCse()) << "Error finalizing the decrypt";
/* Verify failed */
return -1;
}
@ -465,7 +480,7 @@ void ClientSideEncryption::encryptPrivateKey(EVP_PKEY *keyPair)
decryptedText //unsigned char *plaintext
);
qCInfo(lcCse()) << "Decrypted Text" << QByteArray( (const char*) decryptedText, decryptedText_len);
// Now, Try to encrypt it.
}
void ClientSideEncryption::getPrivateKeyFromServer()