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CAUTION: END OF SUPPORT ON 14 AUG 2026. The 'jsrsasign' (RSA-Sign JavaScript Library) is an opensource free cryptography library supporting RSA/RSAPSS/ECDSA/DSA signing/validation, ASN.1, PKCS#1/5/8 private/public key, X.509 certificate, CRL, OCSP, CMS SignedData, TimeStamp, CAdES and JSON Web Signature/Token in pure JavaScript.

  • asn1
  • x509
  • certificate
  • crl

Collection of cryptographic hash functions written in pure Rust

  • cryptographic-hash-functions
  • blake2
  • gost
  • streebog

HashCheck Shell Extension for Windows with added SHA2, SHA3, and multithreading; originally from code.kliu.org

Verify that the PowerPoint you are about to deliver is exactly the PPTX that passed QA—locally, offline, and with tamper-evident evidence.

  • artifact-integrity
  • pptx
  • python
  • supply-chain-security

Fast and dependency-free cryptographic hashing library for node.js and browsers (supports MD5, SHA1, SHA256, SHA512, RIPEMD, HMAC)

  • hashing-algorithm
  • javascript
  • hmac
  • hexadecimal

A modern and easy-to-use cryptographic library for .NET based on libsodium

  • aead
  • aes-gcm
  • blake2b
  • chacha20-poly1305

TranslatedActionScript (AS3) library for processing binary data. This library contains MD5, SHA-1, SHA-2 ( SHA-224 and SHA-256 ), Base64, CRC32 algorithms, JSON encoder & decoder as well as PNG and JPEG encoders.