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skill

ctf-crypto Review findings

ljagielloljagiello/ctf-skillsupdated

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Provides cryptography attack techniques for CTF challenges. Use when attacking encryption, hashing, signatures, ZKP, PRNG, or mathematical crypto problems involving RSA, AES, ECC, lattices, LWE, CVP, number theory, Coppersmith, Pollard, Wiener, padding oracle, GCM, key derivation, or stream/block cipher weaknesses.
ljagiello's own description, from the skill's files.
Securityskill
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3,615
Version
v1
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0
OverviewSecurity16Versions1

Overview

holdReview findings

Waxell's checks found 16 findings to review, highest severity high.

Highest severity
high
Findings
16
What ran
Static analysis

A clean result means nothing alarming in what is published, not a guarantee. How the checks work

We don't republish the skill's instructions. Read them on GitHub at the reviewed commit.

Security

Security scan

Checked 2 days ago

Result

Review findings Waxell's checks found 16 findings to review, highest severity high.

Checked with static analysis: servers it launches, packages it installs at runtime, scripts piped to a shell and bundled binaries. Nothing was run. How the checks work

Findings (16)

high · 16

  • high

    Tells Claude to install unpinned packages (pycryptodome, z3-solver, sympy, gmpy2, hashpumpy, fpylll …)

    SKILL.md:20 · skill_risk:S2

  • high

    Tells Claude to install unpinned packages (coppersmith)

    SKILL.md:21 · skill_risk:S2

  • high

    Tells Claude to install unpinned packages (pycryptodome, z3-solver, sympy, gmpy2)

    SKILL.md:330 · skill_risk:S2

  • high

    Tells Claude to install unpinned packages (flatter)

    advanced-math.md:376 · skill_risk:S2

  • high

    Tells Claude to install unpinned packages (galois, pycryptodome, optional, sympy, fallback, in)

    modern-ciphers-4.md:26 · skill_risk:S2

  • high

    Tells Claude to install unpinned packages (fpylll, sympy, primary, sympy, fallback, in)

    modern-ciphers-4.md:223 · skill_risk:S2

  • high

    Tells Claude to install unpinned packages (pycryptodome, sha3, primary, galois/sympy, unnecessary, here)

    modern-ciphers-4.md:320 · skill_risk:S2

  • high

    Tells Claude to install unpinned packages (galois)

    modern-ciphers-4.md:410 · skill_risk:S2

  • high

    Tells Claude to install unpinned packages (galois, factor)

    modern-ciphers.md:208 · skill_risk:S2

  • high

    Tells Claude to install unpinned packages (padding-oracle)

    modern-ciphers.md:397 · skill_risk:S2

  • high

    Tells Claude to install unpinned packages (roca-detect)

    rsa-attacks-2.md:586 · skill_risk:S2

  • high

    Tells Claude to install unpinned packages (owiener)

    rsa-attacks.md:134 · skill_risk:S2

  • high

    Tells Claude to install unpinned packages (fpylll, cysignals)

    rsa-attacks.md:455 · skill_risk:S2

  • high

    Tells Claude to install unpinned packages (fpylll, or, use, tiny, brute-force)

    rsa-attacks.md:487 · skill_risk:S2

  • high

    Tells Claude to install unpinned packages (bleichenbacher, or, RsaCtfTool, bleichenbacher)

    rsa-attacks.md:862 · skill_risk:S2

  • high

    Tells Claude to install unpinned packages (fpylll)

    rsa-attacks.md:1029 · skill_risk:S2

Versions

Version history

Each distinct content we have seen, newest first, with the verdict it got at the time.

One version so far: v1, seen 2026-11-03.

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SOC 2 Type II attested · ISO/IEC 27001:2022 certified · HIPAA with a BAA · aligned to the EU AI Act and NIST AI RMF

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