Hash Functions Sample Clauses

The Hash Functions clause defines the use and requirements for cryptographic hash functions within an agreement or system. It typically specifies which hash algorithms are acceptable, how they should be implemented, and the contexts in which they must be used, such as for data integrity verification or digital signatures. By establishing clear standards for hash functions, this clause ensures consistent security practices and helps prevent vulnerabilities arising from weak or outdated algorithms.
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Hash Functions. ‌ Performance is dominated by the cost of a call to the chaining function in WOTS+ and the hash function in the binary trees. In essence, these functions consist of many applications of SHA-256 to small arrays of data (i.e. 32 to 128 bytes) and some xor operations. This is not a particularly common pattern of operations in traditional cryptography – a signature operation typically requires just one hash function call to digest the message, often negligible in the overall performance of the signing operation. Note also that there is significant cost associated with a single call to a hash function that is constant in the length of the input, likely representing the overhead of the function call, as shown in Table 1.
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Hash Functions. The following hash functions are considered acceptable for use
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Hash Functions. For ▇▇▇▇▇▇▇, we assume a collision-resistant hash function hash( ) guaranteeing that a computationally bounded adversary cannot find two differ- ent inputs resulting in the same hash value (except with negligible probability). In contrast, Reducer++ requires hash functions modeled as a random oracle with independent and uniformly distributed hash values. Each hash value is of size λ bits; we assume that λ ∈ ω(log n).7
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Hash Functions. ‌ One-way functions, or hash functions, are one of the fundamental primitives of cryptog- raphy. The hash function accepts as input an arbitrary-length message and scrambles the individual bits to generate a fixed-size output called the hash value. The basic idea of the hash function is to produce a unique fingerprint for any given input message.
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Related to Hash Functions

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