SHA-512/t
SHA-512/t is the arbitrary-length truncated variant of SHA-512 (t<512): after extra preprocessing modifies the initial value, the output is truncated to t bits.
Purpose
Provides SHA-512's speed on 64-bit-word platforms where non-standard output lengths (e.g. 256, 224) are needed.
Mechanism
First runs SHA-512 on a specific string to compute the modified initial value IV', then runs SHA-512 on the message with IV', truncating to the high t bits. t=256 gives SHA-512/256, t=224 gives SHA-512/224.
Use cases
- 64-bit platform fast hashing
- Non-standard digest lengths
- SHA-512/256 alternative
Related tools
Sha 512 224
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Hash Calculator
Compute MD5, SHA-1, SHA-256, or SHA-512 hashes with hex or Base64 output. Free, private, and 100% client-side. TOOL