network profile
| bio | website | gavinthink.blogspot.com |
|---|---|---|
| location | ||
| age | ||
| visits | member for | 1 year, 10 months |
| seen | Mar 19 at 20:41 | |
| stats | profile views | 3 |
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Dec 13 |
awarded | Nice Question |
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Aug 22 |
awarded | Scholar |
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Aug 22 |
accepted | Is digest=HASH(HASH(a)+HASH(b)) equivalent to publishing two digests? |
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Aug 22 |
comment |
Is digest=HASH(HASH(a)+HASH(b)) equivalent to publishing two digests? See any issue with chaining using addition (full addition, not mod-256) instead of concatenation? If not, then that is what I'll propose. |
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Aug 22 |
comment |
Is digest=HASH(HASH(a)+HASH(b)) equivalent to publishing two digests? The issue is compatibility: the bitcoin network has over 10,000 independent nodes, which support a limited set of operations for constructing valid transactions. Adding new operations (like sort-and-hash) will only be done when absolutely necessary (such as upgrading the signature or hashing operations in case a weakness is found), because it requires all nodes to run upgraded software. The goal is to get a 'plenty good enough' solution that can be deployed on the existing network before Christmas. |
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Aug 22 |
comment |
Is digest=HASH(HASH(a)+HASH(b)) equivalent to publishing two digests? Unfortunately, canonically ordering and concatenating isn't an option in this particular case. |
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Aug 22 |
awarded | Student |
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Aug 22 |
awarded | Editor |
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Aug 22 |
revised |
Is digest=HASH(HASH(a)+HASH(b)) equivalent to publishing two digests? Answered questions brought up in comments |
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Aug 22 |
comment |
Is digest=HASH(HASH(a)+HASH(b)) equivalent to publishing two digests? Thanks, very helpful. For my application, maximum number of public keys will be much smaller than the number of bits in the hash function. |
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Aug 22 |
comment |
Is digest=HASH(HASH(a)+HASH(b)) equivalent to publishing two digests? Paulo: I'm concerned about finding another a and b. And order of a and b is irrelevant. |
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Aug 22 |
asked | Is digest=HASH(HASH(a)+HASH(b)) equivalent to publishing two digests? |
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Jul 12 |
awarded | Supporter |
