TIGER192,4 Hash Tool

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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 HAVAL256,5

The Tiger192,4 algorithm is a cryptographic hash function designed to generate a fixed-size output from variable-length input data. It is part of the Tiger family of hash functions and is optimized for 64-bit platforms, prioritizing both speed and security. The algorithm processes input in blocks of 512 bits, applying a series of mathematical transformations that ensure high diffusion and resistance to collisions.

Initialization

The algorithm begins with a predefined set of four 64-bit words as initial hash values. These words serve as the starting state for the iterative compression function. This initialization guarantees a consistent baseline for all input data.

Data Processing

Input data is first divided into 512-bit blocks. Each block is then expanded into a sequence of 64-bit words using specific bitwise operations. The algorithm applies three rounds of mixing functions per block, utilizing operations such as XOR, addition modulo 2⁶⁴, and bitwise rotations. These operations are designed to spread input influence across all hash words, enhancing the avalanche effect.

Compression Function

The core of Tiger192,4 is its compression function, which updates the internal state with each data block. Each round uses a combination of key-dependent S-box lookups and arithmetic transformations to scramble the state values. The design ensures that small changes in input produce significantly different outputs, improving collision resistance and preimage resistance.

Finalization

After processing all data blocks, the algorithm applies a padding scheme to align the final block to 512 bits. The last block is processed using the same compression function, and the resulting four 64-bit words are concatenated to form the final 192-bit hash value. This output serves as a unique representation of the input data and can be used for integrity verification, digital signatures, and other cryptographic applications.

Performance Characteristics

Tiger192,4 is optimized for software implementations on 64-bit architectures. Its design allows rapid processing of large data sets while maintaining a high level of security. The algorithm exhibits strong resistance to differential and linear cryptanalysis, making it suitable for modern cryptographic applications.

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