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Questions tagged [sphincs+]

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SPHINCS+ signature calculation and FORS public key

I was trying to understand the SPHINCS+ document from https://sphincs.org/data/sphincs+-r3.1-specification.pdf and have the below doubts. Consider the example of SPHINCS+-128s , the value of n,h,d,log(...
Gappu's user avatar
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ADRS in WOTS+ signature scheme

I am trying to understand the sphincs+ from [1] and have a fair understanding of WOTS+ scheme from [2] However, in the OTS scheme defined in [1] , it seem to use ADRS for storing chain address, hash ...
Gappu's user avatar
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How to write information in the 32-byte addresses of SLH-DSA?

Dear community, I have a technical question regarding the use of the addresses in section 4.2 of FIPS 205, the NIST standard of SPHINCS+. Taking for example the tree address, we want to copy an ...
Emilien's user avatar
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How does FORS: Forest of Random Subsets work?

I saw a post named "How does signing with FORS work in SPHINCS+?" but in the post it seems like no one had explain how does the FORS works. SK: Secret Key, PRF: Pseudo-Random Function I'm ...
a15600712's user avatar
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What are the statefulness and signature count limits of SPHINCS+?

SPHINCS+ is an interesting post-quantum algorithm, and I'm curious about what its limitations are. What I know about hash-based signature formats in the past are that you needed to remember which ...
Myria's user avatar
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