Crypto Libraries for Developers

Cryptographic Libraries for JavaScript, Python, C# and Java

  • Cryptography in JavaScript
    • ECDSA, elliptic.js, js-sha3.js
  • Cryptography libraries in Python
    • ECDSA, eth_keys
  • C# and .NET cryptography
    • Bouncy Castle .NET, Nethereum
  • Java cryptography
    • JCA, Bouncy Castle, Web3j
  • C and C++ cryptography
    • Crypto++, OpenSSL bindings, Nettle, libgcrypt



  • JavaScript and Python provide simple cryptography libraries
    • Hashes, ECC, ECDSA, AES, and many more
  • Cryptography is C# is heavy
    • Use Bouncy Castle .NET for general crypto
    • Or Nethereum for simplified secp256k1
  • Cryptography in Java is heavy
    • JCA and Bouncy Castle are hard to use
    • Web3j is simplifies library for secp256k1

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