Hash Algorithms
Last updated
Last updated
Hash algorithms are mathematical functions that take an input of any size and produce a fixed-size output, called a hash value. Hash functions are often used to check the integrity of data, as it is very difficult to find two different inputs that produce the same hash value.
Hash algorithms are also used in a variety of other applications, such as:
Digital signatures: Hash functions can be used to create digital signatures, which can be used to verify the authenticity of a digital message or document.
Password storage: Hash functions can be used to store passwords securely. When a user creates an account, their password is hashed and the hash value is stored instead of the plain text password. When the user logs in, their password is hashed again and compared to the stored hash value. If the two hash values match, the user is authenticated.
File integrity: Hash functions can be used to check the integrity of files. When a file is downloaded, its hash value can be calculated and compared to the hash value of the original file. If the two hash values match, the file is considered to be intact.
Which hash algorithm to use depends on the specific needs of the situation. If you need a secure hash function for a security-critical application, you should use one of the latest SHA-3 algorithms. If you need a hash function for a less critical application, you may be able to use an older hash function, such as MD5 or SHA-1.
It is important to note that no hash algorithm is completely secure. Researchers are constantly working to find new ways to break hash algorithms. As a result, it is important to use the latest hash algorithms and to keep your systems up to date.
MD5, or Message-Digest Algorithm 5, is a cryptographic hash function that takes a variable-length input and produces a fixed-length 128-bit output. MD5 was developed in the early 1990s and was widely used for security applications, such as digital signatures and password storage. However, in recent years, MD5 has been shown to be vulnerable to collision attacks, which means that it is possible to find two different inputs that produce the same MD5 hash. As a result, MD5 is no longer considered to be a secure hash function and should not be used for any security-critical applications.
Here is a 50-word summary of the MD5 algorithm:
MD5 is a cryptographic hash function that takes a variable-length input and produces a fixed-length 128-bit output. It was widely used for security applications, such as digital signatures and password storage, but it is no longer considered to be secure and should not be used for any security-critical applications.
SHA-1, or Secure Hash Algorithm 1, is a cryptographic hash function that takes a variable-length input and produces a fixed-length 160-bit output. SHA-1 was developed in the early 1990s and was widely used for security applications, such as digital signatures and file integrity checks. However, in recent years, SHA-1 has been shown to be vulnerable to collision attacks, which means that it is possible to find two different inputs that produce the same SHA-1 hash. As a result, SHA-1 is no longer considered to be a secure hash function and should not be used for any security-critical applications.
SHA-1 is still used in some applications today, but it is important to be aware of its security limitations. If you are using an application that uses SHA-1, you should upgrade to a newer algorithm if possible.
SHA-3, or Secure Hash Algorithm 3, is a cryptographic hash function that takes a variable-length input and produces a fixed-length 224-, 256-, 384-, or 512-bit output. SHA-3 was selected by NIST in 2015 to replace the SHA-2 family of hash functions, and it is now the recommended hash function for security-critical applications.
SHA-3 is based on the Keccak sponge algorithm, which is a very versatile and efficient cryptographic primitive. SHA-3 is resistant to all known attacks, and it is expected to remain secure for many years to come.
MD2 Hash
MD4 Hash
NTLM Hash
SHA1 Hash
SHA224 Hash
SHA256 Hash
SHA384 Hash
SHA512 Hash
SHA512/224 Hash
SHA512/256 Hash
SHA3-224 Hash
SHA3-256 Hash
SHA3-384 Hash
SHA3-512 Hash
CRC-16 Hash
CRC-32 Hash
Shake-128 Hash
Shake-256 Hash
MD6 Hash
Whirlpool Hash
npemd128
ripemd160
ripemd256
ripemd320
liger160,3
tiger128,3
liger192,3
Liger128,4
Liger160,4
tiger192,4
snefru
gost
adlor32
crc32
crc32b
haval128,3
Mhaval160,3
haval192,3
haval224,3
haval256,3,
haval128,4
haval 160,4
haval192,4
haval224,4
haval256,4
haval128,5
haval160,5
haval192,5
haval224,5
haval256,5
Can crack LM, NTLM, md2, md4, md5, md5_hex), md5-half, sha1, sha224, sha256, sha384, sha512, ripeMD160, whirlpool, MySQL 4.1+ , sha1_bin Algorithms.
Hashcat is a popular password cracking tool that can be used to crack a wide variety of hash algorithms, including MD5, SHA-1, SHA-2, and SHA-3. Hashcat uses a variety of different techniques to crack hashes, including brute-force attacks, dictionary attacks, and mask attacks.
Hashcat is a very powerful tool, but it is important to use it responsibly. Hashcat should only be used to crack hashes that you have permission to crack. It is illegal to crack hashes without the permission of the owner of the hashes.
Hashcat can be used for both ethical and unethical purposes. It is important to be aware of the legal and ethical implications of using Hashcat before using it.
for more information you can check Hashcat paragraph/chapter:
