๐ Sending Image
How to send images while preserving the original quality and metadata.
Tableโ
| Method | Resolution | No Compression | Timestamp | Location | Metadata | File Name | Last Test |
|---|---|---|---|---|---|---|---|
| โ | โ 1 | โ | โ | โ | โ | - | |
| SMS | |||||||
| AirDrop | |||||||
| iMessage | |||||||
| LINE (picture) | |||||||
| LINE (album) | |||||||
| Telegram | |||||||
| Dropbox Request (web) | |||||||
| Google Photos (web) | |||||||
| Google Photos (iOS app) | |||||||
| cubeupload |
Key Aspectsโ
When sending images, it is important to consider the following aspects:
- Resolution: not be resized.
- No Compression: not be compressed.
- Timestamp: The timestamp of image creation.
- Location: The latitude, longitude, altitude of the location where the image was taken.
- Metadata: Such as camera model, lens, aperture, shutter speed, ISO, etc.
- File name: The original file name.
Forensic Analysisโ
Other properties that might be useful to determine if the image has been tampered with:
- File size
- Checksum
Motion Photosโ
Motion photos are a combination of a still image and a video.
TODO
iOS Live Photosโ
Google Motion Photosโ
Samsung Motion Photoโ
Huawei Moving Pictureโ
Footnotesโ
-
Image should be sent as an attachment, not embedded in the email. Even so, some email clients might compress the image. โฉ