diff options
Diffstat (limited to 'challenge.html')
| -rw-r--r-- | challenge.html | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/challenge.html b/challenge.html index 0747afb..cc7f941 100644 --- a/challenge.html +++ b/challenge.html @@ -1,8 +1,8 @@ +<!DOCTYPE html> <!-- SPDX-License-Identifier: BSD-2-Clause SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org> --> -<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> @@ -58,8 +58,8 @@ <section> <p>Select a nonce no longer than 32 bytes, such that when it is appended to the decoded form of the challenge identifier, and the entire result is hashed with SHA-256, the first {{ .Global.NeedBits }} bits of the SHA-256 hash are all zeros. Within one octet, higher bits are considered to come before lower bits.</p> <p>In other words, find an nonce <math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mi>N</mi><annotation encoding="application/x-tex">N</annotation></semantics></math> with <math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false" form="prefix">|</mo><mi>N</mi><mo stretchy="false" form="postfix">|</mo><mo>≤</mo><mn>32</mn><mspace width="0.167em"></mspace><mi mathvariant="normal">B</mi></mrow><annotation encoding="application/x-tex">\lvert N\rvert \le 32\,\mathrm{B}</annotation></semantics></math>, such that <math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mrow><mi mathvariant="normal">S</mi><mi mathvariant="normal">H</mi><mi mathvariant="normal">A</mi><mn mathvariant="normal">256</mn></mrow><mrow><mo stretchy="true" form="prefix">(</mo><mi>I</mi><mspace width="0.167em"></mspace><mo stretchy="false" form="postfix">∥</mo><mspace width="0.167em"></mspace><mi>N</mi><mo stretchy="true" form="postfix">)</mo></mrow><mo><</mo><msup><mn>2</mn><mn>{{ .Global.NeedBitsReverse }}</mn></msup></mrow><annotation encoding="application/x-tex">\mathrm{SHA256}(I \,\|\, N) < 2^{{{ .Global.NeedBitsReverse }}}</annotation></semantics></math> in big endian, where <math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mi>I</mi><annotation encoding="application/x-tex">I</annotation></semantics></math> is the identifier provided below.</p> - <label for="unsigned-identifier">Challenge identifier (read-only)</label> - <input id="unsigned-identifier" type="text" readonly disabled tabindex="-1" value="{{ .Identifier }}" /> + <label for="identifier">Challenge identifier (read-only)</label> + <pre id="identifier">{{ .Identifier }}</pre> </section> <section> |