HAVAL192,5 Hash Tool
Other Hash Generator
MD2 MD4 MD5 SHA1 SHA224 SHA256 SHA384 SHA512/224 SHA512/256 SHA512 SHA3-224 SHA3-256 SHA3-384 SHA3-512 RIPEMD128 RIPEMD160 RIPEMD256 RIPEMD320 WHIRLPOOL TIGER128,3 TIGER160,3 TIGER192,3 TIGER128,4 TIGER160,4 TIGER192,4 SNEFRU SNEFRU256 GOST GOST-CRYPTO ADLER32 CRC32 CRC32B CRC32C FNV132 FNV1A32 FNV164 FNV1A64 JOAAT MURMUR3A MURMUR3C MURMUR3F XXH32 XXH64 XXH3 XXH128 HAVAL128,3 HAVAL160,3 HAVAL192,3 HAVAL224,3 HAVAL256,3 HAVAL128,4 HAVAL160,4 HAVAL192,4 HAVAL224,4 HAVAL256,4 HAVAL128,5 HAVAL160,5 HAVAL192,5 HAVAL224,5 HAVAL256,5HAVAL-192/5 is a cryptographic hash function that produces a 192-bit digest using five passes over the input data. It is part of the HAVAL family, which is designed for flexible security levels and variable output lengths. The algorithm is iterative and processes messages in blocks of 1024 bits. Each block undergoes a series of logical operations, modular additions, and rotations that transform the input data into a fixed-length hash value.
Input Processing
The input message is first padded to ensure its length is a multiple of 1024 bits. Padding includes a single "1" bit followed by enough "0" bits and a 128-bit representation of the original message length. The padded message is then divided into 1024-bit blocks, which are processed sequentially. Each block is further split into 32-bit words that serve as inputs for the five transformation passes.
Internal Structure
HAVAL-192/5 uses eight 32-bit working variables initialized to predefined constants. The five passes of the algorithm apply a combination of non-linear Boolean functions, bitwise operations, and modular additions. Each pass processes the 32-bit words in a specific order, applying distinct logical functions designed to maximize diffusion and confusion. Rotations of the working variables are performed at each step to ensure that small changes in the input propagate through all bits of the hash.
Pass Functions
Each of the five passes uses a unique Boolean function that combines subsets of the working variables with message words. These functions include AND, OR, XOR, and their combinations with modular additions. After each function application, the output is rotated by a predefined number of bits. The sequential application of these passes ensures that the final hash is highly sensitive to input variations.
Output Generation
After processing all blocks, the working variables are combined with the initial constants to produce the final 192-bit hash digest. The digest is typically represented as a sequence of 48 hexadecimal characters. HAVAL-192/5 provides a balance between computational efficiency and resistance against cryptographic attacks, supporting security-critical applications where variable hash lengths are required.