XMSS: Extended Hash-Based Signatures

XMSS: Extended Hash-Based Signatures
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XMSS:扩展的基于哈希的签名

DOI:
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发表时间:
2015
期刊:
影响因子:
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通讯作者:
Andreas Hülsing
Andreas Hülsing
中科院分区:
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文献类型:
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作者:
Aziz Mohaisen;S. Gazdag;Denis Butin;Andreas Hülsing

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本文描述了扩展Merkle签名方案(XMSS), 基于哈希的数字签名系统。它遵循现有的描述 在科学文献中。注释指定WOTS+一次性 签名方案、单树(XMSS)和多树变体 (XMSS^MT)的XMSS。这两种变体都使用WOTS+作为主要构建块。 XMSS提供加密数字签名,而不依赖于 数学问题的复杂性。事实证明, 它只依赖于加密散列函数的属性。 XMSS提供了强大的安全保证,除了一些特殊的 实例化,甚至是安全的, 底层哈希函数被破坏。适用于紧凑型 实现,实现起来相对简单,并且自然地抵抗 侧信道攻击与大多数其他签名系统不同, 签名可以抵御使用量子计算机的攻击。
This note describes the eXtended Merkle Signature Scheme (XMSS), a hash-based digital signature system. It follows existing descriptions in scientific literature. The note specifies the WOTS+ one-time signature scheme, a single-tree (XMSS) and a multi-tree variant (XMSS^MT) of XMSS. Both variants use WOTS+ as a main building block. XMSS provides cryptographic digital signatures without relying on the conjectured hardness of mathematical problems. Instead, it is proven that it only relies on the properties of cryptographic hash functions. XMSS provides strong security guarantees and, besides some special instantiations, is even secure when the collision resistance of the underlying hash function is broken. It is suitable for compact implementations, relatively simple to implement, and naturally resists side-channel attacks. Unlike most other signature systems, hash-based signatures withstand attacks using quantum computers.