Hashing is used to verify data integrity. By comparing the hash value of the data before and after transmission, it is possible to determine if the data has been altered in transit. If the hash values match, the data has not been modified.
[Reference:, CompTIA Security+ SY0-701 Official Study Guide, Domain 1.3: "Hashing ensures integrity by making it possible to detect unauthorized changes to data.", Exam Objectives 1.3: “Explain the importance of cryptographic concepts.”, , , , , , , , ]
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