Pune Vidyarthi Griha’s College of Engineering and
Technology & G.K. Pate (Wani) Institute of
Management, Pune- 411009.
(Affiliated to Savitribai Phule Pune University)
A Mini Project Report On
“DigiCheck: Digital Forensic Tool for Images”
Submitted in Partial Fulfillment for the Term-work of Final Year in Computer
Engineering of Savitribai Phule Pune University.
By
Student’s Name Exam Seat No.
Pankaj More 20110054
Ashwin Gadve 20110065
Dheeraj Nale 20110066
Tejas Date 20110084
Under The Guidance of
Prof. Ashitosh Karanje
Department of Computer Engineering
Academic Year: 2023-24
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Pune Vidyarthi Griha’s College of Engineering and
Technology & G.K. Pate (Wani) Institute of
Management, Pune- 411009.
(Affiliated to Savitribai Phule Pune University)
CERTIFICATE
This is to certify that the Mini Project entitled “DigiCheck: Digital Forensic Tool
for Images”, submitted by,
Students Name Exam Seat No.
1. Pankaj More 20110054
2. Ashwin Gadve 20110065
3. Dheeraj Nale 20110066
4. Tejas Date 20110084
is a record of bonafide work carried out by them, in the partial fulfillment of the Term-
work of Final Year(BE) in Computer Engineering of Savitribai Phule Pune University
at Pune Vidyarthi Griha’s College of Engineering and Technology & G.K. Pate (Wani)
Institute of Management, Pune under Savitribai Phule Pune University, Pune. This
work is done during academic year 2023-24.
Date :
Place: Pune
Prof. Ashitosh Karanje Prof. …………………. Prof. D. D. Sapkal
(Subject Teacher) (External Examiner) H.O.D. (Computer Engg.)
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CONTENTS
Sr. No Title Page No
1. Introduction 4
2. Outcome 6
3. Software and
Hardware 8
Requirement
4. Architecture and 9
Workflow Diagram
5. Algorithm 10
6. Implementation 11
7. Result and Outcome 12-13
8. Conclusion 14
9. References 15
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Introduction
In an increasingly digital world, the importance of image forensics cannot be overstated. With
the proliferation of smartphones, social media platforms, and digital cameras, images play a
pivotal role in both our personal and professional lives. They capture memories, serve as
evidence in legal cases, and convey information in a multitude of contexts. However, this
widespread use of digital images has also given rise to challenges related to image authenticity,
integrity, and security.
DigiCheck, a cutting-edge digital forensic tool for images, emerges as an essential solution to
address these challenges. DigiCheck is a powerful software application designed to scrutinize,
authenticate, and analyze digital images with the precision and reliability required for legal,
investigative, and security purposes. This innovative tool equips forensic experts, law
enforcement agencies, and digital investigators with a comprehensive suite of features to delve
into the intricate world of digital image analysis.
DigiCheck offers an array of capabilities to verify the authenticity of digital images, uncover
hidden information within them, and detect any potential alterations or tampering. It employs
advanced techniques such as metadata extraction, error level analysis, and steganography
detection to uncover digital footprints and hidden data. This tool can be instrumental in
addressing a wide range of issues, from determining the legitimacy of evidence in court to
investigating incidents of digital image manipulation and forgery.
Key Features of DigiCheck:
Metadata Analysis: DigiCheck allows users to extract and examine metadata embedded
within digital images, including date and time stamps, geolocation data, and device-specific
information, which can be crucial for verifying the origin and history of an image.
Error Level Analysis: This tool utilizes error level analysis to detect inconsistencies in the
compression levels of an image, helping to identify potential areas of manipulation or
tampering.
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Steganography Detection: DigiCheck can identify hidden data concealed within images using
steganographic techniques, ensuring that no unauthorized information remains undisclosed.
Image Integrity Verification: With DigiCheck, users can assess the integrity of digital images
to determine if they have been altered, offering critical insights in legal and investigative
scenarios.
User-Friendly Interface: DigiCheck is designed with an intuitive user interface, making it
accessible to both experienced forensic experts and newcomers to digital image analysis.
Customizable Reporting: The tool offers comprehensive and customizable reporting features,
enabling users to document their findings in a format suitable for courtroom presentations and
investigative reports.
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Overview
DigiCheck is a powerful and versatile digital forensic tool designed specifically for the
examination and analysis of images. In the world of digital forensics, where the need to extract,
analyze, and preserve digital evidence is paramount, DigiCheck serves as an invaluable
resource for investigators, law enforcement agencies, cybersecurity experts, and other
professionals in the field.
Key Features and Capabilities:
Image Metadata Analysis:
DigiCheck can extract and scrutinize the metadata embedded in images, including EXIF
(Exchangeable Image File Format) data. This metadata can reveal important information about
the origin, history, and editing of the image, such as date and time of capture, camera type,
geolocation, and more.
Image Integrity Verification:
Ensuring the integrity of digital images is crucial for maintaining the authenticity of evidence.
DigiCheck provides tools to verify if an image has been tampered with or altered by comparing
it to a reference image, enabling investigators to detect any unauthorized modifications.
Image Recovery:
DigiCheck includes features for recovering deleted or hidden images. It can locate fragments
of images in unallocated disk space and restore them, potentially uncovering crucial evidence
that an individual may have attempted to conceal.
Forensic Timeline Analysis:
When working with a collection of images, DigiCheck allows investigators to create a timeline
of events by analyzing image file timestamps. This feature can help establish a sequence of
events and provide valuable context to an investigation.
Hashing and Digital Signatures:
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DigiCheck offers the ability to create and verify cryptographic hashes and digital signatures
for images. These techniques are essential for ensuring data integrity and authenticity, making
it challenging for malicious actors to tamper with image evidence.
Cross-Platform Compatibility:
DigiCheck is designed to work on various operating systems and supports a wide range of
image file formats, ensuring compatibility and usability across different digital environments.
User-Friendly Interface:
DigiCheck features an intuitive and user-friendly interface, making it accessible to both novice
and experienced digital forensics professionals. The tool streamlines the process of importing,
analyzing, and reporting on image data.
Reporting and Documentation:
DigiCheck enables investigators to generate detailed reports and documentation, including
information on the methods used, findings, and supporting evidence. This is essential for legal
proceedings and maintaining a thorough record of the forensic analysis.
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Software and Hardware Requirement
• Software Requirement:
1) Operating System Compatibility: Windows, Linux
2) Programming Language: Python
3) Image Format Support: jpeg, jpg, png
4) Image Metadata Extraction: Exifread File
5) Image Analysis Algorithm: Extraction Algorithm
• Hardware Requirement:
1) Processor and RAM: Intel Core i3 and at least 4GB of RAM are recommended for
efficient image processing.
2) Storage: Adequate storage space to store images, metadata, and analysis results.
Consider using SSDs for faster data access.
3) Graphics Processing Unit (GPU): A dedicated GPU can significantly accelerate
image analysis tasks, especially for deep learning-based algorithms.
4) Network Connection: An internet connection for software updates and cloud-
based features, if applicable.
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Architecture and Workflow Diagrams
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Algorithm
• Algorithm to extract data:
def extract_exif_metadata(image_path):
try:
with open(image_path, 'rb') as f:
tags = exifread.process_file(f)
metadata = {}
for tag in tags:
tag_name = tag
tag_value = tags[tag]
metadata[tag_name] = tag_value
return metadata
except Exception as e:
return None
@app.route('/', methods=['GET', 'POST'])
def upload_image():
if request.method == 'POST':
uploaded_file = request.files['image']
if uploaded_file:
# Save the uploaded image to the 'uploads' folder
image_path=os.path.join(app.config['UPLOAD_FOLDER'],
uploaded_file.filename)
uploaded_file.save(image_path)
# Extract EXIF metadata
metadata = extract_exif_metadata(image_path)
if metadata:
return render_template('metadata.html', metadata=metadata,
image_path=image_path)
else:
return "Failed to extract metadata from the image."
return render_template('index.h’)
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Implementation
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Result and Outcomes
Digicheck: Website for image Forensic Analysis
Sample Image 1 Sample Image 1 Metadata
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Sample Image 2 Sample Image 2 Metadata
Sample Image 3 Sample Image3 Metadata
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Conclusion
In conclusion, DigiCheck is a powerful and essential digital forensics tool that plays a crucial
role in the field of cybersecurity and law enforcement. This comprehensive software
application is designed to assist investigators in the meticulous process of collecting, analyzing,
and preserving digital evidence from various sources, including computers, mobile devices,
and online platforms. DigiCheck offers several key advantages to its users. It provides a user-
friendly interface, making it accessible to both seasoned professionals and newcomers to the
field of digital forensics. The tool's robust capabilities for data extraction, recovery, and
analysis ensure that investigators can efficiently uncover vital information, whether it be in the
form of deleted files, hidden data, or digital artifacts. Furthermore, DigiCheck's ability to
maintain data integrity and establish a clear chain of custody is essential for the admissibility
of evidence in legal proceedings.
With its diverse range of features, DigiCheck is adaptable to various investigative scenarios,
from criminal cases involving cybercrimes to corporate investigations into data breaches and
intellectual property theft. The tool allows investigators to scrutinize not only the contents of
digital devices but also the metadata and timestamps associated with files, providing invaluable
context and chronological information.
In summary, DigiCheck is a crucial tool in the digital forensics arsenal, facilitating the process
of digital evidence collection and analysis while upholding the highest standards of integrity
and chain of custody. Its adaptability and user-friendliness make it an indispensable asset in
the fight against cybercrimes and the protection of digital assets. As digital technology
continues to advance, DigiCheck stands as a reliable and cutting-edge solution for investigators
and forensic professionals seeking to uncover the truth in the digital realm.
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REFERENCES
1. https://www.tutorialspoint.com/python_forensics/forensics_python_imaging_libr
ary.html
2. https://medium.com/@18218004/digital-forensics-blog-03-image-forensics-first-
time-detecting-image-tampering-b531707563fe.
3. https://www.activestate.com/blog/how-to-use-python-for-cyber-forensics/
4. https://www.javatpoint.com/python-forensics-and-virtualization.
5. https://www.conf42.com/Python_2021_Gajendra_Deshpande_Cyber_Forensic_A
pplication
6. https://www.sciencedirect.com/science/article/pii/S2666281723000665
7. https://www.sans.org/white-papers/33453/
8. https://gbhackers.com/computer-forensics-tools/
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