Home
EN

Get SHA512 hash

An online service that allows you to get the SHA512 hash value. SHA512 (Secure Hash Algorithm 512) is a cryptographic function. The hash size is 512 bit.

Text:

Result:

^_^

(Click to copy)

SHA-512 is a cryptographic hash function developed by the U.S. National Security Agency (NSA) and published by the National Institute of Standards and Technology (NIST) in 2001 as part of the SHA-2 family. It is among the most secure and widely used hashing algorithms, providing robust protection against collisions and pre-image attacks. SHA-512 generates a fixed-length hash value of 512 bits (64 bytes), which is used to verify data integrity and create digital signatures.

The basic principle of SHA-512 is to transform input data of arbitrary length into a fixed-length string. This process involves preprocessing the input message, including padding and length adjustments to bring it to a multiple of the length required for processing. The message is then split into blocks, each of which is processed sequentially using a series of logical operations, such as bitwise shifts, logical AND, OR, XOR, and addition modulo 2^64.

An important aspect of SHA-512 is its use of constants and seed values, which are carefully chosen to enhance cryptographic strength. The constants used in SHA-512 are the first 64 bits of the fractional parts of the square roots of the first 80 prime numbers. The seeds used in SHA-512 are the first 64 bits of the fractional parts of the square roots of the first eight prime numbers. These values ​​ensure the deterministic nature of the hash function, meaning the same input message will always produce the same hash.

Due to its reliability and security, SHA-512 has found application in a wide range of areas, including file integrity verification, password storage, digital signatures, and blockchain technology. In particular, SHA-512 is often used for hashing passwords in databases, as the one-way nature of the hash function makes it extremely difficult to recover the original password from its hash.

Despite its strength, SHA-512, like all hash functions, is theoretically susceptible to attack. However, given current computing power, a successful attack resulting in a collision or precomputation is considered extremely difficult. Nevertheless, cryptography is continually researching the development of more robust hashing algorithms to stay ahead of potential threats.