Validation
Validate Docker image names and tags according to Docker naming conventions
docker-image-tag-validatorValidation
Validate European Union Value Added Tax (VAT) numbers from all EU member states
eu-vat-validatorValidation
Validate email addresses and check deliverability
email-validatorValidation
Validate .env files for syntax errors and common issues
env-file-validatorSecurity
Decrypt specific fields in Excel files using various decryption methods to restore encrypted information
excel-field-decryptorSecurity
Encrypt specific fields in Excel files using various encryption methods to protect sensitive information
excel-field-encryptorValidation
Validate 9-character CUSIP North American securities identifiers with mod-10 check-digit verification, issuer base and issue-number breakdown.
cusip-validatorValidation
Validate ISO 4217 currency codes
currency-validatorValidation
Validate date and time formats including ISO8601, custom formats, leap year, and month/day validation
date-time-validatorSecurity
Review public BTC / Ethereum incident evidence, source coverage and token blacklist signals without connecting a wallet.
crypto-incident-exposure-checkerCryptography
Simulate BLS12-381 BLS signatures end to end: Joint-Feldman DKG ceremonies, t-of-n threshold signing with Lagrange interpolation, the rogue-key attack and its proof-of-possession defense, and Ethereum 2 attestation aggregation.
bls-boneh-lynn-shacham-threshold-signature-aggregation-distributed-key-gen-simulatorSecurity
Run a real miniature BFV/CKKS pipeline over Z_q[x]/(xⁿ+1): exact invariant-noise budgets in bits, ciphertext multiplication with relinearization, modulus switching, SIMD slot packing and a bootstrapping refresh.
bfv-ckks-lwe-fhe-ciphertext-noise-budget-relin-and-bootstrapping-explainer