@li0ard/dstu
DSTU cryptography algorithms in pure TypeScript
docs

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Installation

npm i @li0ard/dstu

Supported algorithms

• Curves and ECDSA (DSTU 4145-2002, polynomial and optimal normal basis)
• Kalyna cipher (DSTU 7624:2014)
• Kupyna hash function (DSTU 7564:2014)
  • Supports KMAC
• Strumok stream cipher (DSTU 8845:2019)
• ECIES encryption schema over Twisted Edwards curves (DSTU 9041:2020)

Supported cipher modes

• Cipher Block Chaining mode (CBC)
• Cipher Feedback mode (CFB)
• Counter mode (CTR)
• Electronic Codebook mode (ECB)
• Galois Counter mode (GCM)
• Message Authentication Code mode (MAC and GMAC)
• Output Feedback mode (OFB)
• Key wrapping (KW)
• XEX Tweakable Block Ciphertext Stealing (XTS)

Supported curves

Bits	Polynomial (PB)	Optimal normal (ONB)	Test curve
163	✅		✅
167	✅
173	✅	✅	✅ (ONB)
179	✅	✅
191	✅	✅
233	✅	✅
257	✅
307	✅
367	✅
431	✅	✅