Why is a checksum important when performing forensics?

Any changes or errors introduced into the original file by virtue of transmission or other data processing can be easily identified. Checksums are designed so that a small change in the input file can produce a different value.

How does a checksum work?

A piece of data is usually a single file with a single checksum. To ensure that your copy of the file is genuine and error free, compare the checksum that you generate from your version of the file with the one provided by the source of the file.

What is checksum of a file?

A checksum is a value that uniquely represents the contents of a file.

How does a checksum work?

A piece of data is usually a single file with a single checksum. To ensure that your copy of the file is genuine and error free, compare the checksum that you generate from your version of the file with the one provided by the source of the file.

What are the 2 most common checksums used to authenticate digital evidence?

MD5 and SHA1 are used by digital forensics professionals.

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