yetangitu/deltachat-core
1
0
Fork 0
mirror of https://github.com/deltachat/deltachat-core.git synced 2025-10-05 10:39:27 +02:00
Code Issues Releases Wiki Activity

feat: implement password encryption using rpgp

Browse source
This commit is contained in:
dignifiedquire 2019-03-12 15:05:14 +01:00 • committed by B. Petersen
parent 41b71560c5
commit 593b07b6a0
No known key found for this signature in database
GPG key ID: 3B88E92DEA8E9AFC
1 changed files with 81 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

81
src/dc_pgp.c
View file

@ -1172,6 +1172,42 @@ cleanup:
******************************************************************************/
#if DC_USE_RPGP
int dc_pgp_symm_encrypt(dc_context_t* context,
const char* passphrase,
const void* plain, size_t plain_bytes,
char** ret_ctext_armored)
{
int success = 0;
rpgp_message* decrypted = NULL;
if (context==NULL || passphrase==NULL || plain==NULL || plain_bytes==0
|| ret_ctext_armored==NULL ) {
goto cleanup;
}
decrypted = rpgp_encrypt_bytes_with_password(plain, plain_bytes, passphrase);
if (dc_pgp_handle_rpgp_error(context)) {
goto cleanup;
}
*ret_ctext_armored = rpgp_msg_to_armored_str(decrypted);
if (dc_pgp_handle_rpgp_error(context)) {
goto cleanup;
}
success = 1;
cleanup:
if (decrypted) { rpgp_msg_drop(decrypted); }
return success;
}
#else
int dc_pgp_symm_encrypt(dc_context_t* context,
const char* passphrase,
const void* plain, size_t plain_bytes,
@ -1280,6 +1316,50 @@ cleanup:
return success;
}
#endif /* !DC_USE_RPGP */
#if DC_USE_RPGP
int dc_pgp_symm_decrypt(dc_context_t* context,
const char* passphrase,
const void* ctext, size_t ctext_bytes,
void** ret_plain_text, size_t* ret_plain_bytes)
{
int success = 0;
rpgp_message* encrypted = NULL;
rpgp_message* decrypted = NULL;
encrypted = rpgp_msg_from_bytes(ctext, ctext_bytes);
if (dc_pgp_handle_rpgp_error(context)) {
goto cleanup;
}
decrypted = rpgp_msg_decrypt_with_password(encrypted, passphrase);
if (dc_pgp_handle_rpgp_error(context)) {
goto cleanup;
}
rpgp_cvec* decrypted_bytes = rpgp_msg_to_bytes(decrypted);
if (dc_pgp_handle_rpgp_error(context)) {
goto cleanup;
}
*ret_plain_text = (void*)rpgp_cvec_data(decrypted_bytes);
*ret_plain_bytes = rpgp_cvec_len(decrypted_bytes);
// No drop as we only remove the struct
free(decrypted_bytes);
success = 1;
cleanup:
if (encrypted) { rpgp_msg_drop(encrypted); }
if (decrypted) { rpgp_msg_drop(decrypted); }
return success;
}
#else
int dc_pgp_symm_decrypt(dc_context_t* context,
const char* passphrase,
@ -1309,3 +1389,4 @@ cleanup:
if (outmem) { pgp_memory_free(outmem); }
return success;
}
#endif // !DC_USE_RPGP