springboot like framework

network framework based on java NIO

Useful tools written with java. Includes ecdsa, sm2, sm3, encryption, excel reader, http(s) client and server etc.

math library

json parser util

log framework

network written with java and c, to support latest openssl(gmssl) 1.3, support SM2_WITH_SM3(encryptCrt and encryptKey) TLS etc.

tools written with c

Elliptic curves calculate

A lightweight spring-boot-like framework .

Useful tools written with pure java. Includes ecdsa, sm2, sm3, encryption, excel reader, http(s) client and server etc.

a fast big integer compute library

json library written with pure java

log tools

network framework use java nio

network written with java and c, to support latest openssl(gmssl) 1.3, support SM2_WITH_SM3(encryptCrt and encryptKey) TLS etc.

用 Express 和 Vue3 搭建的 ChatGPT 演示网页

Private Set Intersection algorithm written with pure java.

This is a pure (and very very simple) java implementation of the RSA algorithm. One file to show you how RSA works (Euler's formula and Euclid's algorithm).

ECDSA written with java, secp192k1, secp192r1, secp224k1,secp224r1,secp256k1,etc.

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An implementation of secp256k1 curve.

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