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Among other features, it can calculate various checksums, compare files, or shred files. [1] HxD is distributed as freeware and is available in multiple languages of which the English version is the first in the category of coding utilities on Download.com. [2] The c't magazine has featured HxD in several issues and online-specials. [3] [4]
CRC checksums cannot be used to verify the authenticity of files, as CRC32 is not a collision resistant hash function -- even if the hash sum file is not tampered with, it is computationally trivial for an attacker to replace a file with the same CRC digest as the original file, meaning that a malicious change in the file is not detected by a ...
The following tables compare general and technical information for a number of cryptographic hash functions. See the individual functions' articles for further information. This article is not all-inclusive or necessarily up-to-date. An overview of hash function security/cryptanalysis can be found at hash function security summary.
Checksums are used as cryptographic primitives in larger authentication algorithms. For cryptographic systems with these two specific design goals [ clarification needed ] , see HMAC . Check digits and parity bits are special cases of checksums, appropriate for small blocks of data (such as Social Security numbers , bank account numbers ...
SHA-256: 256 bits Merkle–Damgård construction: SHA-384: 384 bits Merkle–Damgård construction: SHA-512: 512 bits Merkle–Damgård construction: SHA-3 (subset of Keccak) arbitrary sponge function: Skein: arbitrary Unique Block Iteration: Snefru: 128 or 256 bits hash Spectral Hash: 512 bits wide-pipe Merkle–Damgård construction Streebog ...
Comparison of implementations of message authentication code (MAC) algorithms. A MAC is a short piece of information used to authenticate a message—in other words, to confirm that the message came from the stated sender (its authenticity) and has not been changed in transit (its integrity).
Full and partial comparison of files and streams, Multi-format copy, paste, drag-and-drop, File / selected area printing, CRC-32, MD5, SHA-1, SHA-256 checksums, Cryptographically strong AES-based random number generator, Browsing of registered COM classes.
SHA-2: A family of two similar hash functions, with different block sizes, known as SHA-256 and SHA-512. They differ in the word size; SHA-256 uses 32-bit words where SHA-512 uses 64-bit words. There are also truncated versions of each standard, known as SHA-224, SHA-384, SHA-512/224 and SHA-512/256. These were also designed by the NSA.